In Earth and planetary sciences, sediment is a solid material made of loose particles that is transported to a new location where it is deposited. It occurs...

Sediment transport is the movement of solid particles (sediment), typically due to a combination of gravity acting on the sediment, and the movement of...

sediments, either in unconsolidated deposits or in sedimentary rocks. The degree of sorting is determined by the range of grain sizes in a sediment deposit...

Pelagic sediment or pelagite is a fine-grained sediment that accumulates as the result of the settling of particles to the floor of the open ocean, far...

Sedimentary rocks are types of rock formed by the cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological...

Sediment traps are instruments used in oceanography and limnology to measure the quantity of sinking particulate organic (and inorganic) material in aquatic...

is a landform, typically triangular, created by the deposition of the sediments that are carried by the waters of a river, where the river merges with...

A sediment basin is a temporary pond built on a construction site to capture eroded or disturbed soil that is washed off during rain storms, and protect...

Marine sediment, or ocean sediment, or seafloor sediment, are deposits of insoluble particles that have accumulated on the seafloor. These particles either...

in the sediment as protection and may also have fed upon detritus or the mat of microbes which tended to grow on the surface of the sediment. Today,...

Terrigenous sediments are derived from the chemical and physical weathering and erosion of continental rocks and consists primarily of mud, sand, and...

fluvial sediment processes or fluvial sediment transport are associated with rivers and streams and the deposits and landforms created by sediments. It can...

A sediment control is a practice or device designed to keep eroded soil on a construction site, so that it does not wash off and cause water pollution...

Sediment is the solid material that settles to the bottom of any wine container, such as a bottle, vat, tank, cask, or barrel. Sediment is a highly heterogeneous...

Sedimentation is the deposition of sediments. It takes place when particles in suspension settle out of the fluid in which they are entrained and come...

Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass. Wind, ice, water, and gravity transport previously...

weathering which involves no movement. Removal of rock or soil as clastic sediment is referred to as physical or mechanical erosion; this contrasts with chemical...

to sedimentary rocks and particles in sediment transport, whether in suspension or as bed load, and in sediment deposits. Clastic sedimentary rocks are...

fluid, such as a river, is the portion of its sediment uplifted by the fluid's flow in the process of sediment transportation. It is kept suspended by the...

body of water, such as a stream, river, lake, or ocean, including the sediment surface and some sub-surface layers. Organisms living in this zone are...

Coastal sediment transport (a subset of sediment transport) is the interaction of coastal land forms to various complex interactions of physical processes...

Mid-Barataria Sediment Diversion was a $2.3-billion sediment diversion project in the Barataria basin in Louisiana. The project aimed to restore river sediment flows...

is covered in layers of marine sediments. Categorized by where the materials come from or composition, these sediments are classified as either: from...

Bottom sediment and water (BS&W) is both a technical specification of certain impurities in crude oil and the method for measuring it. When extracted from...

brewing beer, this sediment is known as trub, not lees. However, when formed during secondary fermentation, yeast residual sediment is named lees for both...

Sediment Profile Imagery (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is...

essential to the stability of the salt marsh in trapping and binding sediments. Salt marshes play a large role in the aquatic food web and the delivery...

Soft-sediment deformation structures develop at deposition or shortly after, during the first stages of the sediment's consolidation. This is because...

current is a geological process that consists of the transportation of sediments (clay, silt, pebbles, sand, shingle, shells) along a coast parallel to...

Coastal sediment supply is the transport of sediment to the beach environment by both fluvial and aeolian transport. While aeolian transport plays a role...

land formed by deposition of sediments along rivers and seas. By the 19th century, the term had come to mean recent sediments deposited by rivers on top...

type of amalgamation of fluidal and sediment gravity flow responsible for distributing vast amounts of clastic sediment into the deep ocean. Turbidites were...

flow and sediment input). The mixing of seawater and freshwater provides high levels of nutrients both in the water column and in sediment, making estuaries...

In oceanography and limnology, the sediment–water interface is the boundary between bed sediment and the overlying water column. The term usually refers...

structures include all kinds of features in sediments and sedimentary rocks, formed at the time of deposition. Sediments and sedimentary rocks are characterized...

In geology, drift is a name for all sediment (clay, silt, sand, gravel, boulders) transported by a glacier and deposited directly by or from the ice, or...

breakwaters. This trapping of sediment can cause adverse effects down-drift of the breakwaters, leading to beach sediment starvation and increased coastal...

The Sediment Retention Structure is an earthen dam, 1,888 feet (575 m) long and 184 feet (56 m) high, on the North Fork Toutle River in the U.S. state...

An alluvial fan is an accumulation of sediments that fans outwards from a concentrated source of sediments, such as a narrow canyon emerging from an escarpment...

A sediment gravity flow is one of several types of sediment transport mechanisms, of which most geologists recognize four principal processes. These flows...

Cyclic sediments (also called rhythmic sediments) are sequences of sedimentary rocks that are characterised by repetitive patterns of different rock types...

increased concentration of suspended sediments and to the increased accumulation (temporary or permanent) of fine sediments on bottoms where they are undesirable...

refers to a viscous mixture of small particles derived from bile. These sediments consist of cholesterol crystals, calcium salts, calcium bilirubinate,...

term is psammite, though this is more commonly used for metamorphosed sediments. Since it refers to grain size rather than chemical composition, the term...

river system, due to the deposition of sediment. Aggradation occurs in areas in which the supply of sediment is greater than the amount of material that...

Hemipelagic sediment, or hemipelagite, is a type of marine sediment that consists of clay and silt-sized grains that are terrigenous and some biogenic...

The Society for Sedimentary Geology is an international not-for-profit, scientific society based in the US state of Oklahoma. It is commonly referred to...

angle, moving sediment down the beach in a zigzag pattern. This is complemented by longshore currents, which further transport sediment through the water...

usually rapidly moving, sediment-laden water moving down a slope; although current research (2018) indicates that water-saturated sediment may be the primary...

flood the surrounding area, spreading nutrients to the surrounding area. Sediment or alluvium carried by rivers shapes the landscape around it, forming deltas...

aquatic toxicology, the sediment quality triad (SQT) approach has been used as an assessment tool to evaluate the extent of sediment degradation resulting...

are a coastal management tool used to analyze and describe the different sediment inputs (sources) and outputs (sinks) on the coasts, which is used to predict...

A bar in a river is an elevated region of sediment (such as sand or gravel) that has been deposited by the flow. Types of bars include mid-channel bars...

journal about sediments in a geological context published by Elsevier. About its scope the journal states it ranges "from techniques of sediment analysis to...

deposition of sand. As sediments continue to accumulate in the depositional environment, older sand is buried by younger sediments, and it undergoes diagenesis...

Equilibrium partitioning Sediment Benchmarks (ESBs) are a type of Sediment Quality Guideline (SQG) derived by the US Environmental Protection Agency (EPA)...

Cumbria for a seasonal stream. Bar A shoal that develops in a stream as sediment is deposited as the current slows or is impeded by wave action at the confluence...

associated erosion and deposition of sediments caused by glacial meltwater. Glaciers contain suspended sediment loads, much of which is initially picked...

beach materials up and down the beach, which results in the cross-shore sediment exchange. The time-scale of swash motion varies from seconds to minutes...

is a plain (an essentially flat landform) created by the deposition of sediment over a long period by one or more rivers coming from highland regions,...

increase in dispersion of sediment deposition into the delta region. The Mississippi embayment then became a primary focus of sediment deposition during the...

as the reworking of soils and sediments by animals or plants. It includes burrowing, ingestion, and defecation of sediment grains. Bioturbating activities...

accumulated during this period, later becoming the fossil fuels. By feeding on sediments directly to extract the organic component, some detritivores incidentally...

establishment of an invertebrate burrow often involves the soaking of surrounding sediment in mucus to prevent collapse and to seal off water flow. Examples of burrowing...

filamentous bacteria that conduct electricity across distances over 1 cm in sediment and groundwater aquifers. Cable bacteria allow for long-distance electron...

various grades of sediment in an arc pattern. The horns are made up of coarser material and the embayment contains finer sediment. They can be found...

from 1947 until 1971. Einstein was widely recognized for his research on sediment transport. To honor his outstanding achievement in hydraulic engineering...

The Norwegian Boundary Sediment Plain is a Marine Protected Area (MPA) lying to the northeast of Scotland. The MPA, which covers 164 km2 (63 sq mi), lies...

also causes sediment deposition. When wadi sediments are underwater or moist, wind sediments are deposited over them. Thus, wadi sediments contain both...

The principle of lateral continuity states that layers of sediment initially extend laterally in all directions; in other words, they are laterally continuous...

temporary sediment control device used on construction sites to protect water quality in nearby streams, rivers, lakes and seas from sediment (loose soil)...

Submarine landslides are marine landslides that transport sediment across the continental shelf and into the deep ocean. A submarine landslide is initiated...

a nondimensional number used to calculate the initiation of motion of sediment in a fluid flow. It is a form of non-dimensionalization of a shear stress...

location. Authigenic sediments are the main constituents of deep sea sedimentation, compared to shallow waters or land where detrital sediments are more common...

used in analysing sediments and soil including soil organic matter and soil amendments such as compost. In the analysis of sediments, C/N ratios are a...

waters, which otherwise would belong to China. Up to three quarters of the sediment mass of Tuvalu is star sand. Bottles of star sand are sold as souvenirs...

Legacy sediment (LS) refers to depositional bodies of sediment inherited from the increase of human activities since the Neolithic. These include a broad...

ladder is another method to transport migratory fish upstream. Rivers carry sediment down their riverbeds, allowing for the formation of depositional features...

In geology, a bed is a layer of sediment, sedimentary rock, or volcanic rock "bounded above and below by more or less well-defined bedding surfaces". A...

ˈlɜːs/; from German: Löss [lœs]) is a clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust. Ten percent of Earth's...

storm, is an episodic period of intense bottom current that is capable of sediment resuspension in the deep ocean, typically associated with enhanced bottom-water...

changes of structure, morphology and sediment changes. The structure and morphology begin to change at 2.4°N but the sediment thickness remains unchanged until...

clay or mud and removes pieces of clayey sediment, and transports them some distance. Because clayey sediments can be quite cohesive, even when freshly...

soil comes from groundwater. When the groundwater saturates the soil or sediment around it, organic matter can freely move between the phases. Groundwater...

The Milltown Reservoir Sediments Superfund Site is a major Superfund site in Missoula County, Montana, seven miles east of Missoula. It was added to the...

deposition of a particular type of sediment and, therefore, the rock types that will be formed after lithification, if the sediment is preserved in the rock record...

resulting from different amounts of sediment transportation. A sediment is mature when the grains in a sediment become well-sorted and well-rounded due...

normally carry sediment that replenishes soil downstream of the dam site. Sediment flow is reduced after a dam is constructed, because sediment is trapped...

of suspended sediment and which also determines how sediment will be transported in a flowing fluid. It is a ratio between the sediment fall velocity...

per million years. The sediment thickness (from basement basalts to the seafloor) ranges from 1 to 70m, with thinner sediments occurring closer to the...

drips into a soft sediment, both eroding the sediment and depositing calcite. Because they form in soft sediments when those sediments are washed away,...

continental rise, in which sediment from the continent above cascades down the slope and accumulates as a pile of sediment at the base of the slope. Extending...

In geology, a sediment trap is any topographic depression where sediments substantially accumulate over time. The size of a sediment trap can vary from...

dissolved load and wash load. The bed material load is the portion of the sediment that is transported by a stream that contains material derived from the...

that is collected from a variety of environmental samples such as soil, sediment, freshwater, seawater, snow or air, rather than directly sampled from an...

narrow channel that lies between two land masses. Straits are loci for sediment accumulation, with sand-sized deposits usually occurring on the two strait...

end of the stream channel as the delta sediment is deposited along the arcuate delta front. As the sediments are deposited on a sloping surface the resulting...

mats are areas of sediment stabilised by the presence of colonies of microbes, which secrete sticky fluids or otherwise bind the sediment particles. They...

deposits is mainly influenced by the deepwater bottom-current velocity, sediment supply, and seafloor topography. The definition of the term contourite...

indicates paleocurrent, the rough direction of sediment transport. The type and condition of sediments can tell geologists the type of environment (rounding...

Glaciers can carry a heavy load of sediment to the ice front of the glacier.  At the ice front, as the glacier melts, sediment is deposited.  As the glacier...

to include quasi-unsteady and unsteady flow, two dimensional modeling, sediment transport and water quality modeling, and distributed hydrologic modeling...

occurs during rock collision and transportation. The transportation of sediment chips and smooths the surfaces of bedrock; this can be through water or...

usage, aits or eyots. Braided streams tend to occur in rivers with high sediment loads or coarse grain sizes, and in rivers with steeper slopes than typical...

geology and related fields, a stratum (pl.: strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish...

9 in). Manganese and related hydroxides precipitate from ocean water or sediment-pore water around a nucleus, which may be a shark's tooth or a quartz grain...

Exner equation describes conservation of mass between sediment in the bed of a channel and sediment that is being transported. It states that bed elevation...

Alluvial Plain. It is essentially a northward continuation of the fluvial sediments of the Mississippi River Delta to its confluence with the Ohio River at...

formation that forms as a river empties water and sediment into other bodies of water. As the sediment builds up from this delta, the river will break away...

to describe the composition of the cast. Various casts found in urine sediment may be classified as: Main types of urinary casts: The most common type...

particles within sediment and sedimentary rocks. Metamorphic and igneous rocks are broken down via weathering and erosion into sediment as part of the rock...

An overbank is an alluvial geological deposit consisting of sediment that has been deposited on the floodplain of a river or stream by flood waters that...

used to hold the decantation of a liquid (such as wine) which may contain sediment. Decanters, which have a varied shape and design, have been traditionally...

Culexiregiloricus trichiscalida. Like its phylum, it lives in argillaceous sediment. In the spring of 2005, the sample in which the species was found in was...

bight, such as the Rakaia, Ashburton / Hakatere, and Rangitata Rivers. Sediment from these rivers, predominantly Greywacke, is deposited along the coast...

control and sediment control device used on construction sites to protect water quality in nearby streams, rivers, lakes and seas from sediment erosion....

transport loose sediment across the surface of a reef to where the current slows or converges with another current, releasing its sediment load. Gradually...

Although the coring depth was limited, microbes were found wherever the sediments were sampled. With increasing depth, aerobes gave way to anaerobes. Most...

temperatures, lack of nutrient run-off from surrounding land, and lack of sediment input. The coloration and mountain locations of alpine lakes attract lots...

adapted to areas where slow-moving water allows for the deposition of fine sediment and low-oxygen soil conditions. These trees cannot endure freezing temperatures...

which normally occurs when a stream loosens sediment and undercuts a bank. Consequently, large masses of sediment slump and collapse into the stream, adding...

Naturally occurring levees form on river floodplains following flooding. Sediment and alluvium are deposited on the banks and settle, forming a ridge that...

categories. Rounding of sediment particles can indicate the distance and time involved [citation needed] in the transportation of the sediment from the source...

of too much sediment. When flooding occurs, waterfront properties can be damaged further by high amounts of sediment being present. Sediment can also be...

coastline that moves sediment. For Northern California, this current moves sediment in a northern direction. Therefore, sand and sediment constructing Humboldt...

may form an enclosure (called a lagoon) that can eventually fill with sediment. The shoreline moves toward the island (or detached breakwater) owing to...

a lake/reservoir, a bay/gulf, a sea, or an ocean. At the river mouth, sediments are often deposited due to the slowing of the current, reducing the carrying...

etc., or biological sources, such as mollusc shells or coralline algae. Sediments settle in different densities and structures, depending on the local wave...

structures are masses of clastic sediment that take the form of isolated pillows or protruding ball structures. These soft-sediment deformations are usually found...

the overlying sediment. Growth faults are normal faults that occur simultaneously with sedimentation, causing them to have thicker sediment layers on the...

(ERL) and effects range median (ERM) are measures of toxicity in marine sediment. They are used by public agencies in the United States in formulating guidelines...

further out into the sea over time. This occurs when the volume of incoming sediment is greater than the volume of the delta that is lost through subsidence...

major river systems with coarse sediment, a glacial sediment source, or input from glacial or para-glacial sediment. Surficial garnet deposits primarily...

become surrounded by sediment deposited by meltwater streams as there is increased friction. The ice becomes buried in the sediment and when the ice melts...

characteristic of lacustrine deposits is that a river or stream channel has carried sediment into the basin. Lacustrine deposits form in all lake types including rift...

The Waterloo Moraine is a landform and sediment body that was created as a moraine in the Regional Municipality of Waterloo, in Ontario, Canada. It covers...

common, significant deposits of methane clathrate have been found under sediments on the ocean floors of the Earth (around 1100 m below the sea surface)...

Carlin–type gold deposits are sediment-hosted disseminated gold deposits. These deposits are characterized by invisible (typically microscopic and/or dissolved)...

of sediment chemistry when there is a low organic content, but a high concentration of dissolved iron. When a carcass is buried in such sediment, sulfate-reducing...

introduced sediment sampling techniques and innovated equipment and techniques. The Prince of Monaco Corer developed by Thoulet in 1890 was a sediment sampler...

Geochemical, petrography and geophysical results reveal that it is a sediment-hosted[clarification needed] hydrothermal system connected at depth with...

The melting of large icebergs deposits sediment of various sizes, usually referred to as glacial marine sediment, onto the shelf and deeper marine areas...

surface, buried in sediment, is generally rougher than the top due to a different type of growth. Nodules lie on the seabed sediment, often partly or completely...

saltation, a related sediment transport process, moves grains across the bottom by bouncing or hopping. The actual current carries the sediment load in traction...

carries sediment downstream. The movement of sediment is classified as suspended sediment (particles suspended in the water) or bedload (sediment on the...

River's catchment area are known as the Amazonian foreland basins. In part sediment accumulation, uplift and subsidence of the Andean foreland basins is controlled...

1968. In total, more than one billion cubic yards (760×10^6 m3) of river sediment and lesser hydraulic mining debris was dredged to produce an estimated...

with a distinctive form produced by the stacking of thin 'tongues' of sediment, atop one another. They are believed to be fodinichnia, with the organism...

along. The meltwater at the snout of the glacier deposits its load of sediment over the outwash plain, with larger boulders being deposited near the terminal...

beer refers to any ale, lager, or fermented malt beverage in which the sediment left over from the brewing process has been removed. Ancient techniques...

Till, or glacial till, is unsorted glacial sediment. Till is derived from the erosion and entrainment of material by the moving ice of a glacier. It is...

name from the sediment that lies on the bottom at many dive sites - a frequently muddy or "mucky" environment. Other than muddy sediment, the muck dive...

The Fundy Basin is a sediment-filled rift basin on the Atlantic coast of southeastern Canada. It contains three sub-basins; the Fundy sub-basin, the Minas...

water to dislodge rock material or move sediment. In the placer mining of gold or tin, the resulting water-sediment slurry is directed through sluice boxes...

benthic zone is the ecological region at the very bottom, including the sediment surface and some subsurface layers. Marine organisms such as clams and...

An outwash fan is a fan-shaped body of sediments deposited by braided streams from a melting glacier. Sediment locked within the ice of the glacier gets...

produced as a watercourse erodes the sediments of an outer, concave bank (cut bank or river cliff) and deposits sediments on an inner, convex bank which is...

by crawling to on-shore surfaces, or near-shore, or burrowing into the sediment. There are two species within this ichnogenus, C. wilsoni and C. youngi...

phylum Loricifera, a group of small to microscopic marine scalidophoran sediment-dwelling animals. Species Armorloricus davidi Kristensen & Gad, 2004 Species...

A hyperconcentrated flow is a two-phase flowing mixture of water and sediment in a channel which has properties intermediate between fluvial flow and debris...

effects worsen as dams age, like structural weakness, reduced safety, sediment accumulation, and high maintenance expense. The rate of dam removals in...

a greenish color. This term is specifically applied to shallow marine sediment that contains noticeable quantities of rounded greenish grains. These grains...

erosion around the plains as well as flooding from inland seas provided sediments that make up the rock strata of the interior plains. Between 2.0 and 1...

The sediment itself is often composed of limestone, which forms readily in shallow, warm, calm waters. While siliciclastic and carbonaceous sediments can...

In sedimentology, compaction is the process by which a sediment progressively loses its porosity due to the effects of pressure from loading. This forms...

are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for...

climatic event causing the ice rafted debris (IRD) layer observed in marine sediment cores from the North Atlantic: a massive collapse of Northern Hemisphere...

seabed. Sedimentary rocks are formed by diagenesis and lithification of sediments, which in turn are formed by the weathering, transport, and deposition...

granite, silt, and gravel are evidence of this once higher shoreline. These sediments were deposited through melting ice and now extinct lake channels. Zebra...

Rain dust or snow dust, traditionally known as muddy rain, red rain, or coloured rain, is a variety of rain (or any other form of precipitation) which...

geologists to determine whether a river will erode, transport, or deposit sediment. It was originally published in his doctoral thesis "Studies of the morphological...

The principle of original horizontality states that layers of sediment are originally deposited horizontally under the action of gravity. It is a relative...

aggregate that typically has a contrasting composition from the enclosing sediment or sedimentary rock. Examples include pyrite nodules in coal, a chert nodule...

during soft-sediment deformation shortly after sediment burial, before the sediments lithify. They can be created when a denser layer of sediment is deposited...

Biogenous ooze is marine sediment that accumulates on the seafloor and is a byproduct of the death and sink of the skeletal remains of marine organisms...

ocean. Of all the sediment in the stream load, 80% is then trapped and dispersed on continental margins. While modern river sediment is often still preserved...

glacier-fed and contains large amounts of suspended sediment. It transports 19 million tons of sediment per year in the upper part of its basin. This dramatically...

magnetism of a rock or sediment. This preserves a record of the Earth's magnetic field at the time the mineral was laid down as sediment or crystallized in...

within 10° of the bedding planes of the sediment. These burrows can be very large, over a meter long in sediments that show good preservation, e.g. Jurassic...

organism from the late Ediacaran of Australia. It is interpreted as a benthic sediment-feeder, and is also a monotypic genus, containing only Nilpenia rossi....

ecosystems often have organisms that destabilize sediment. They change the physical state of the sediment. Thus improving the conditions for other organisms...

Commercial ponzu is generally sold in glass bottles, which may have some sediment. Ponzu shōyu is traditionally used as a dressing for tataki (lightly grilled...

Overwash is the flow of water and sediment over a coastal dune or beach crest during storm events (or other situations with high water). 'Overwash' may...

type of biogenic pelagic sediment located on the deep ocean floor. Siliceous oozes are the least common of the deep sea sediments, and make up approximately...

They usually form early in the burial history of the sediment, before the rest of the sediment is hardened into rock. This concretionary cement often...

A varve is an annual layer of sediment or sedimentary rock. The word 'varve' derives from the Swedish word varv whose meanings and connotations include...

database for sediment geochemistry. SedDB was based on a relational database that contained the full range of analytical values for sediment samples, primarily...

plain formed due to the past existence of a lake and its accompanying sediment accumulation. Lacustrine plains can be formed through one of three major...

ring record from fire scars and tree cores. Charcoal records from lake sediment cores can also be used. Sustained wildfire can only exist once oxygen levels...

a craton covered with sediments. It can be classified into the following groups: a "protoplatform" of metamorphosed sediments at the bottom, a "quasiplatform"...

Spongolite (also spelled spongilite, spongillite, or spongiolite) is a sediment or sedimentary rock composed principally of the remains of largely articulated...

vessels. Dredging can have environmental impacts: it can disturb marine sediments, creating dredge plumes which can lead to both short- and long-term water...

environments there can be thousands of individuals in 10 cubic centimeters of sediment, and counts animals like nematodes, copepods, rotifers, tardigrades and...

fertilization, artificial upwelling, basalt storage, mineralization, deep-sea sediments, and adding bases to neutralize acids. However, none have achieved large...

Hydrodynamic scour is the removal of substrate (gravel, sand, silt, clay, sediment, etc.) from around the base of obstructions to the flow in the sea, rivers...

volumes of silt into Lake Powell, slowly decreasing its capacity. The sediment will eventually build up against the dam and could affect its safe operation...

surrounding increased sediment release are mainly related to the other two mining waste processes, side cast sediment and seafloor sediment disturbance. The...

progression of avulsions. Avulsions are common in river deltas, where sediment deposits as the river enters the ocean and channel gradients are typically...

understanding of sediment processes in the Missouri River, including the creation of a "sediment budget" – an accounting of sediment transport, erosion...

genus, containing the species Fafnirloricus polymetallicus. It lives in sediment, as the rest of its phylum Loricifera does. In 2020, this species of Loricifera...

refers to floodplain sediment islands in the Ganges Delta. Many large rivers originated from the Himalayas carry a high level of sediment and it accumulates...

Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied...

water and sediment flow. However, closed-type check dams may disrupt natural ecosystems through impeding the natural flow of water and sediment. 2) Open-type...

carbonate sediments, whereby the organisms retract nutrients from the carbonate. Micritisation is a process that falls under diagenesis of a sediment. The...

family Haloclavidae. Members of this genus typically burrow into soft sediment. The following species are listed by the World Register of Marine Species:...

The box corer is a marine geological sampling tool for soft sediments in lakes or oceans. It is deployed from a research vessel with a wire and suitable...

United States and has increased the high sediment content of the river. The USGS collects suspended-sediment samples at its stream gage three miles (5 km)...

hypothesis including the generation of methane gas within sediments, pumping of water through sediment by wave action, tsunamis, and bacterial processes. The...

Amphictyon. Aeolian landforms are formed when wind moves sediment (see aeolian processes). Sediment particles move when they are lifted by upwards Bernoulli...

geology is a layer of sedimentary rock or sediment. In archaeology, it is a layer of man-produced sediment of a certain age. Stratum may also refer to:...

850–950,000 years ago. They were discovered in May 2013 in a newly uncovered sediment layer of the Cromer Forest Bed on a beach at Happisburgh in Norfolk, England...

constructed by a burrowing arthropod ploughing through the sediment for food, leaving a mound of piled sediment at the end of each trace. Beaconites McLean, Graham...

the sediment transported by the river channel at the river mouth. River mouth bars form because the cross-sectional area of the expanding sediment-laden...

coastal cliff or headland that, through erosion and weathering, provides sediment to down-current beaches as a result of littoral drift. First discussed...

alluvial rivers is through the extent of sediment cover. The extent of sediment coverage is based upon the sediment flux supplied to the channel and the channel...

ore deposits frequently form massive sulfide lenses, they are also named sediment-hosted massive sulfide deposits, as opposed to volcanic-hosted massive...

Longshore drift Marine sediments Saltation Sea level change eustatic isostatic Sedimentation Coastal sediment supply sediment transport solution subaerial...

pattern in function of the sediment content of the water, showing a regime mainly based on algae in waters with high sediment load, until an omnivorous...

important causes of land loss in coastal plains are erosion, inadequate sediment supply to beaches and wetlands, subsidence, and global sea level rise....

known as simply red clay, brown clay or pelagic clay, is a type of pelagic sediment. Pelagic clay accumulates in the deepest and most remote areas of the ocean...

used to distinguish it from the sediment-poor and deeper Kermadec Trench, which is its continuation to the north. Sediment currently passing through the...

found in sediment to cause toxic effects in organisms dwelling in the sediment. In this approach, the amounts of several heavy metals in a sediment sample...

Phoeniciloricus is a monospecific genus of loriciferans, a phylum of small marine sediment-dwelling animals. Its one species is Phoeniciloricus simplidigitatus. Gad...

Okhotsk plates. Based on the sediment sequence during this time, there appears to have been little net accretion of sediment onto the overlying plate as...

in 2006 and 2007, ANDRILL team members drilled through ice, seawater, sediment and rock to a depth over more than 1,200 m (3,900 ft) and recovered a virtually...

Kimmeridgian aged sediments of the Alcobaça Formation in Portugal. An indeterminate species is known from Berriasian aged sediments of the Lulworth Formation...

landslides (roughly 2000 kilograms per cubic meter), but owing to widespread sediment liquefaction caused by high pore-fluid pressures, they can flow almost...

The Van Veen grab sampler is an instrument to sample sediment in water environments. Usually it is a clamshell bucket made of stainless steel. Up to 20...

heritable property (land). The typical cause is sediment (alluvium) deposited by a river. This sediment, legally termed the accessory, accreses (i.e.,...

equilibrium partitioning sediment benchmark (ESB), for predicting the toxicity of polycyclic aromatic hydrocarbon (PAH)-contaminated sediments to benthic invertebrates...

The Sadler effect describes variation in apparent sediment accumulation rates and bed thicknesses back through time inherent to the geological sedimentary...

layers. Today, the term is applied to both sedimentary layers and soft sediment deformation structures formed by shaking. This subtle change in usage accommodates...

fertility. However, the nutrient value of the sediment has often been overestimated. 88 percent of the sediment was carried to the sea before the construction...

expression in the acid-intermediate part of the range. allochthon A fossil, sediment, or rock that was formed elsewhere and later transported into the location...

drift, glacial erosion, glacial meltwater, glacial deposition, marine sediment, marine transgressions, volcanoes, divergent boundaries or river sedimentation...

zombie taxa) is a fossil that was washed out of sediments and re-deposited in rocks and/or sediments millions of years younger. That basic mistake in...

earthquake-triggered tsunami resulting from the displacement of sediment accumulating at the mouth of the canyon. Sediment consisting of fine sand and silt is continually...

Europe and North America. They are most often formed by the deposition of sediment at the bottom of ice-walled channels within or beneath a former glacier...

A rhythmite consists of layers of sediment or sedimentary rock which are laid down with an obvious periodicity and regularity. They may be created by annual...

It was further altered by dredging to remove sediment, and by construction of the Toutle River Sediment Retention Structure on the North Fork Toutle River...

coccobacilli-shaped, pale red-colored bacterium. It was first isolated from sediment from a freshwater duck lake at the university KAIST in Daejeon, South Korea...

order Clypeasteroida. These irregular sea urchins bury themselves in soft sediment in shallow seas. The World Register of Marine Species includes the following...

ocean sediment and wait for prey to swim by. So the stingray switches to using its spiracles. With the spiracles, they can draw water free from sediment directly...

colored/ gray colored; however, when the animal is washed free of its sediment coverings, its body plan appears more green and gray. T. crypta is characterized...

in the sediment. The resulting aluminum hydroxide layer covering the lake bottom additionally blocks the diffusion of phosphorus from sediment into the...

Over time the glacial lake sediments are subjected to change. As seen in the English Lake District, the layers of the sediments at the bottom of the lakes...

the sediments, or if it will be able to slide. A soft bed, with high porosity and low pore fluid pressure, allows the glacier to move by sediment sliding:...

the glacier. Fine sediment and particles are also incorporated into the glacial ice. The accumulation of these rocks and sediment together form what...

or artificial levees and deposits sediment on a floodplain. A breach that forms a crevasse splay deposits sediment in a pattern similar to that of an...

falling (transgressing and regressing), thereby depositing varying layers of sediment onto the craton, now expressed as sedimentary rock. Places such as the...

large quantities of fine sediment (clays, silts and sands) that cloaks both the bed and the banks of the river. The rate of sediment loss has increased because...

body is unusual among platyctenids. This comb jelly lives freely on soft sediment, unlike other benthic ctenophora which are typically parasitic. They are...

syndrome. Heavy rainfall flows rapidly into streams carrying pollutants and sediments washed off from impervious surfaces, resulting in streams carrying elevated...

long-gone sea shores in western North America. Both marine and terrestrial sediments are represented, including lithified sand dunes from an extinct desert...

relatively flat lowland areas, with water that is frequently colored by sediment and organic matter. These classifications overlap with the geological definitions...

(mainly), in "quasi-suspended animation", were found in organically-poor sediments, up to 101.5 million years old, 68.9 metres (226 feet) below the sea floor...

because it prevents light from reaching the rice seedlings by stirring up sediment. The fossil record of Notostraca is extensive, occurring in a wide range...

several senses: Lithification, the overall process of conversion of loose sediments to solid rock. Any other process in which loose or fluid material becomes...

and reducing the size of the particles. However, selective transport of sediments also plays a role in relation to downstream fining: smaller-than average...

Miocene conglomerate makes up the exposed bedrock in Ubehebe's walls. These sediments were deposited by streams and contain limestone, mudstone, quartzite and...

may both be removed surgically. The term calcareous can be applied to a sediment, sedimentary rock, or soil type, which is formed from or contains a high...

However, due to sediment accumulation in the reservoir, the dam later had to be re-engineered and renovated. The effects from sediment, which include flooding...

increased dramatically and the North Fork is now extremely laden with sediment. Previously, Spirit Lake was the source of the river, but eruptions blocked...

aquatic chemistry. This field of study includes freshwater, marine water and sediment environments. Common tests include standardized acute and chronic toxicity...

differences in the type of sediment that occur throughout the rock. They are caused by cyclic changes in the supply of sediment. These changes can occur...

the toll of casualties.[citation needed] The alluvial fans, built as sediments from floods and debris flows exit their channels and meet the ocean, provide...

slow the speed of climate change by sequestering carbon dioxide into the sediment of the ocean floor. Seagrasses evolved from marine algae which colonized...

methodologies of various problems on applied hydrodynamics, river mechanics, sediment dynamics, turbulence, fluid boundary layer and open channel flow. He is...

Wiktionary, the free dictionary. Ooze may refer to: Pelagic sediments, fine-grained sediments on the ocean floor, containing at least 30% biogenous material...

the reduction of sediment settlement in the river channel, which can lead to scouring of the river bed as well as coarser sediment particles. This can...

study of ancient earthquakes using geologic evidence, such as geologic sediments and rocks. It is used to supplement seismic monitoring to calculate seismic...

interface, for example between water and the sediment or rock at the bottom, between air and rock or sediment, between soil and bed-rock, etc. Such interfaces...

requirements. For example, the State of Maryland requires erosion and sediment controls on construction sites of 5,000 sq ft (460 m2) or more. Industrial...

worms. Worms in this family live on the seabed and may burrow under the sediment. Members of the Phyllodocidae are characterised by an eversible pharynx...

fans, are underwater geological structures associated with large-scale sediment deposition and formed by turbidity currents. They can be thought of as...

are a type of sediment wave, and are created when supercritical sediment-laden water (turbidity currents) travels downslope through sediment beds. Each "step"...

flanks. The active crests have sand sediment, but on the interdunes, the sediment is not as well sorted. The sediment varies in colour from pink to brick...

Submersion is the sustainable cyclic portion of coastal erosion where coastal sediments move from the visible portion of a beach to the submerged nearshore region...

depressions in a sand dune ecosystem (psammosere) caused by the removal of sediments by wind. Commonly found in coastal settings and margins of arid areas...

alluvial river is one in which the bed and stream banks are made up of mobile sediment or soil. Alluvial rivers are self-formed, meaning that their channels are...

similar to a suspended load, but wash load sediment never interacts with the bed load. All of the sediment in the wash load stays suspended in the water...

rivers. The total amount of sediment that is transported by this river amounts to 1.95 million tonnes per year. Median sediment concentration in the river...

dredge portions of the river to remove submerged oil and oil-contaminated sediment. On Sunday, July 25, 2010, at about 5:58 p.m. EDT, a 40-foot (12 m) pipe...

narrow systems parallel to shorelines and are shaped by waves, tides, sediment movement, and sea-level change, which cause them to shift, grow, or erode...

TEX-86 analysis Nile river flood levels Trace mineral ratios in deltaic sediment Wildlife distribution Pollen analysis Historic storm-related sinkings Sea...

28,000 tonnes of suspended sediment and a similar amount of bedload to the terminal swamps. Most of the particulate sediment carried by the river is fine...

bed. Most commonly this takes the form of normal grading, with coarser sediments at the base, which grade upward into progressively finer ones. Such a...

uneven surface of oceanic crust by fine-grained sediments, mainly clay and silt. Much of this sediment is deposited by turbidity currents that have been...

Candy bar Chocolate bar Protein bar Bar (river morphology), a deposit of sediment Sandbar Bar (tropical cyclone), a layer of cloud Bar (unit), a unit of...

geologic processes. Denudation of these high uplifted regions produces sediment that is transported and deposited elsewhere within the landscape or off...

A chevron is a wedge-shaped sediment deposit observed on coastlines and continental interiors around the world. The term chevron was originally used independently...

the sediment issue. The sediment control system was intended to reduce the amount of suspended sediment in the Bighorn River. The high sediment concentration...

Dissolved load is the portion of a stream's total sediment load that is carried in solution, especially ions from chemical weathering. It is a major contributor...

understanding coastal weathering processes, particularly wave action, sediment movement and weather, and the ways in which humans interact with the coast...

environment in which a sediment was deposited or an area of uniform sedimentation. 1. Surface or area of uniform precipitation. 2. Sediment having a relatively...

rich biota (river ecosystem). The majority of sediment washed out in higher flows is "near-threshold" sediment that has been deposited during normal flow...

desiccation cracks or cracked mud) are sedimentary structures formed as muddy sediment dries and contracts. Crack formation also occurs in clay-bearing soils...

An accretionary wedge or accretionary prism forms from sediments accreted onto the non-subducting tectonic plate at a convergent plate boundary. Most...

creates lakes that are extremely deep and difficult to naturally fill with sediment. Due to the prolonged life of ancient lakes, they serve as models for isolated...

colluvio, 'jumbled') is a general name for loose, unconsolidated terrigenous sediments (diamicton) that have been deposited at the base of hillslopes by either...

with sediment. If they are filled with sediment, their lower layers are filled primarily with glacial, glaciofluvial or glaciolacustrine sediment, supplemented...

margin segments that influence crustal structure, subsidence history and sediment distribution. These heterogeneities affect basin evolution, resource potential...

include mudrock, sandstone, and conglomerate. Siliciclastic sediments are silica-based sediments, lacking carbon compounds, which are formed from pre-existing...

porosity of sediment, change the distribution of sediment particle size, alter the oxygen and nutrient dynamics in the sediment and across the sediment-water...

ended around 2006/2007. These islands have significantly impacted ocean sediment and wildlife in the surrounding area. Palm Jumeirah (Google 25°07′00″N...

off-flavors in the finished beer. Trub may also refer to the lees, or layer of sediment, left at the bottom of the fermenter after the yeast has completed the...

meaning 'rock' and the Latin-derived suffix -ific) is the process in which sediments compact under pressure, expel connate fluids, and gradually become solid...

developed from wind-deposited silt (loess) and fine sand overlying sediment. The sediment is a mixture of gravel and sand that was derived directly from surging...

Certified Professional in Erosion and Sediment Control (CPESC) is a qualification indicating the holder has educational training, expertise and experience...

and granite) forming a headland, or peninsula. Through the deposition of sediment within the bay and the erosion of the headlands, coastlines eventually...

northern hemisphere in many parts of the world. It is found living in soft sediments, sand or muddy sand and among Zostera and benthic algae. It is tolerant...

activity. Oil and methane "seep" out of those fissures, get diffused by sediment, and emerge over an area several hundred meters wide. Methane (CH 4) is...

live fairly deep in soft sediments in shallow seas and respire using long siphons that reach up to the surface of the sediment. Tellinids have rounded...

its tributaries in England. Aits are typically formed by the deposit of sediment in the water, which accumulates. An ait is characteristically long and...

rich with sediment from the Andes Mountains, whereas the black water, running from the Colombian hills and interior jungles, is nearly sediment-free and...

"Major Asian aeolian inputs indicated by the mineralogy of aerosols and sediments in the western North Pacific". Nature. 314 (6006): 84–86. Bibcode:1985Natur...

Tahoe City, California, and has undergone extensive restoration to reduce sediment and surface run-off to maintain the purity of Lake Tahoe. Ward Creek and...

in 2011 using a single sample taken from Omaha Beach in 1988. The metal sediment making up 4% of the beach sand was speculatively identified as shrapnel...

without pumping because it is under pressure within a body of rock or sediment known as an aquifer. When trapped water in an aquifer is surrounded by...

the terminal moraine, creating a long, narrow lake and trapping glacial sediment. The lake existed for approximately 3,000 years, after which a combination...

facultative anaerobic, coccoid bacterium found in South Africa's ocean sediments of the continental shelf of Namibia. The genus name Thiomargarita means...

Bridge scour is the removal of sediment such as sand and gravel from around bridge abutments or piers. Hydrodynamic scour, caused by fast-flowing water...

soils that formed in sandy marine and old alluvial sediments overlain by a thin mantle of sediments that have a high content of silt." Pedology Soil types...

analyzing the sediment fill and subsidence. Subsidence of sedimentary basins generates the spatial distribution of accommodation infilling sediments. Aspects...

makes it useful for paleobotanic analysis of rock sediments. The ratio of retene to cadalene in sediments can reveal the ratio of the genus Pinaceae in the...

intersects a short spur route on Sediment Dam Road that leads to a viewpoint overlooking the Toutle River Sediment Dam. The highway continues along the...

large quantities of sediment which causes large sandbars within the river. On the other, the three watercourses drive the sediment back out to sea. In...

substrate may have needed to build up from the sediment until its edge was too far away for suspended sediments to inhibit coral growth. In addition, approximately...

rock wall. The rising tide brings sediment over the rock walls, where it accumulates and creates an extended soft sediment beach area, creating ideal clam...

earth science that can be used to derive or estimate the age of soil and sediment samples up to 35,000 years old. The method is experimental, and it is not...

significantly influenced by local geologic and soil conditions. Unconsolidated sediments are found to amplify ground motion during earthquakes and are hence more...

Pseudoalteromonas marina is a marine bacterium isolated from tidal sediment near Chungnam. Nam, Y.-D.; Chang, H.-W.; Park, J. R.; Kwon, H.-Y.; Quan, Z...

from iron-rich sediment in Cleveland in the United Kingdom. Distribution of a novel Achromobacter clevelandea strain in iron-rich sediments Rahman, P.K.S...

a mountain front. These fan-shaped deposits form by the deposition of sediment within a stream onto flat land at the base of a mountain. The usage of...

rear fish. It was closed in 1922. With the Glines Canyon Dam blocking sediment from reaching the Strait of Juan de Fuca for more than 80 years, most of...

the radiocarbon content found in the different sediments. The group was able to analyze the sediment to approximate the different dredging phases that...

discharge permits and consequent reduction of wastewater discharges, and sediment removal operations, which have continued into the 21st century. In 1972...

from the bottom add sediments to surface waters. More sediments can make the waters appear more green, yellow, or brown because sediment particles scatter...

typically the non-marine alluvial and fluvial sediments of lowlands, as compared to deep-water flysch sediments. Sedimentation stops when the orogeny stops...

net to collect the samples. The sled is towed along the seafloor at the sediment water interface. The device has a mechanically operated door that is closed...

nov.: an acidophilic sulfate-reducing bacterium isolated from acidic sediments". Extremophiles: Life Under Extreme Conditions. 19 (1): 39–47. doi:10...

process by which particulates move towards the bottom of a liquid and form a sediment. Particles that experience a force, either due to gravity or due to centrifugal...

they carry a significant amount of sediment, which aids in building land in estuarine regions. However, this sediment raises the height of riverbeds, thereby...

reducing its capacity by over a third. Efforts to reduce the rate of sediment accumulation, including dredging, check dam construction and watershed...

conditions that allows for a harmful activity to take place. This includes sediment (loose soil) inputs that decrease the amount of light that can penetrate...

rock or through a contiguous mass of rock. Clastic dikes are formed when sediment fills a pre-existing crack. A magmatic dike is a sheet of igneous rock...

growth; the availability of sediment; the size and composition of the sediment moving through the channel; the rate of sediment transport through the channel...

subglacial lakes are influenced by interactions between ice, water, sediments, and organisms. They contain active biological communities of extremophilic...

annually 22,185 tonnes of bedload and 7.6 million tonnes of suspended sediment to Lake Tana. List of Ethiopian rivers Hanibal Lemma, and colleagues (2019)...

Ma was resulted from the southeastward roverent of Hainan island. The sediments filled in the Yinggehai Basin came mostly from Tibet plateau and was transported...

using analyses of the physical, chemical, and mineralogical properties of sediments, or of biological records such as fossil pollen, diatoms, or chironomids...

Armorloricus is a genus of nanaloricate loriciferans, small to microscopic marine sediment-dwelling animals. Three described species. Armorloricus davidi Kristensen...

attributes of its sediment, Bearskin Lake sediment is ideal for sediment toxicity testing. Bearskin Lake sediment is used as a control sediment in the federal...

For example, sediment may determine the presence of aquatic plants, but aquatic plants may also trap sediment, and add to the sediment through peat....

particle. The cushioning of water gives quicksand, and other liquefied sediments, a spongy, fluid-like texture. In accordance with Archimedes' principle...

(/ˌdaɪ.əˈdʒɛnəsɪs/) is the process of physical and chemical changes in sediments first caused by water-rock interactions, microbial activity, and compaction...

Exposed riverine sediments, or ERS, are composed of silt, sand and gravel deposited by streams but exposed as water level falls. Other terms for ERS include...

structure formed by liquefaction and fluidization of water-charged soft sediment either during or immediately following deposition. Due to the similarity...

skewness and asymmetry of surface gravity waves are the main drivers for sediment transport. Sinusoidal waves (or linear waves) are waves having equal height...

cause of the small electric currents measured in the top layer of marine sediment. The currents were first measured in 2010. These organisms, referred to...

associated with that particular toss. During the course of deposition, sediment is deposited as well. Different mechanisms, from wind and water to animal...

activities. alluvial fan A distinctly triangular or fan-shaped deposit of sediment transported by water, often referred to as alluvium. Alluvial fans usually...

or a river bank, interrupting water flow and limiting the movement of sediment. It is usually made out of wood, concrete, or stone. In the ocean, groynes...

Gordia is an ichnofossil known from Precambrian to modern sediments and is the most common trace fossil in the Kaili biota displaying "smooth, cylindrical...

each storm event has eroded down into the sediment that was deposited by the last, and incorporates that sediment into its own deposit. Tempestite deposits...

erosion is the loss or displacement of land, or the long-term removal of sediment and rocks along the coastline due to the action of waves, currents, tides...

Rhythmite – Layers of sediment or sedimentary rock laid down with periodicity and regularity Varve – Annual layer of sediment or sedimentary rock Floods...

from the glacier and by the large supply of sediment that arrives at the glacier terminus. This high sediment supply often makes them steep and braided...

decrease in the oxygen content of the benthic sediment. Additionally, the average grain size of the sediment becomes significantly smaller, which can lead...

erodes the river bank on the outside of the meander. At the same time, sediments are simultaneously deposited in a bar on the inside of the meander. This...

occurs when the mass balance of sediment into a delta or a beach system is such that the volume of incoming sediment is less than the volume of the delta...

are dependent upon many other factors. Water quality, type, food, cover, sediment are essential for the life cycle of any given fish. Being able to map the...

fodinichnion) are trace fossils formed by deposit feeders as they excavate the sediment in search of food. They tend to have repeated patterns (e.g. Chondrites)...

long axis aligned with paleocurrent, and dipping basinward in glacial sediments, whereas deltaic gravels may be oppositely inclined. Karatson, D., Sztano...

Because of non-availability of hydrological data, discharge data and sediment load data over a sufficient period of time in ungauged catchments, various...

erosion, transport, and deposition of sediments that are caused by wind at or near the surface of the earth. Sediment deposits produced by the action of...

local, and in some cases global, environmental and geological conditions. Sediments, nutrients, and organic matter contained in the meltwater can all influence...

Blowout – Depressions in a sand dune ecosystem caused by the removal of sediments by wind Desert pavement – Type of desert earth surface Desert varnish –...

Platform is a large and flat area of the East European Craton covered by sediments in Eastern Europe spanning from the Ural Mountains to the Tornquist Zone...

Till or till in Wiktionary, the free dictionary. Till is unsorted glacial sediment. Till may also refer to: Tillage, a broad type of soil preparation Till...

most widespread deposits on Earth. Fine sediment is the most abundant product of erosion, and these sediments contribute to the overall omnipresence of...

in the bore front and whelps, entrained air bubbles in the bore roller, sediment erosion beneath the bore front and of the banks, scouring of shoals and...

comparing rivers of various widths or quantifying the energy required to move sediment of a certain size. Stream power is closely related to other criteria such...

on 1952 and completed in 1961. In 2003 a sediment removal program was started to remove 100,000m3 of sediment that was deposited in the reservoir. "Futase...

biological processes of the North Pacific Ocean, including nutrient and sediment transport, major Pacific storm tracks and regional climate, and Pacific...

between the Permian and early Cretaceous. Shallow water sediments shifted to deep water sediments by the Triassic. The region was a subsiding passive margin...

Retrieved 2020-12-10. Jean-Daniel Stanley and Thomas F. Jorstad, Direct Sediment Dispersal from Mountain to Shore, with Bypassing via Three Human-Modified...

flocculation is a process by which colloidal particles come out of suspension to sediment in the form of floc or flake, either spontaneously or due to the addition...

accumulated sediments that were cemented by minerals. These channels eroded into the surface, then the whole area was covered over with sediments. When the...

Eolianite or aeolianite is any rock formed by the lithification of sediment deposited by aeolian processes; that is, the wind. In common use, however,...

The capacity of a stream or river is the total amount of sediment a stream is able to transport. This measurement usually corresponds to the stream power...

amplitude, wave intensity, and wave direction are all factors that influence sediment flux in inlets. On low slope sandy coastlines, inlets often separate barrier...

understanding of how the two co-evolved. Plant remains recovered from ancient sediments within the landscape or at archaeological sites serve as the primary evidence...

Neoproterozoic Torridonian sediments, which in turn are unconformably overlain by a sequence of Cambro–Ordovician sediments. It formed part of the Laurentian...

it states that when a depositional environment "migrates" laterally, sediments of one depositional environment come to lie on top of another. In Russia...

bacterium from the genus of Neptunomonas which has been isolated from sediment from the Daebu Island. Parte, A.C. "Neptunomonas". LPSN. "Neptunomonas...

into waterflows, resulting in widespread contamination of river and lake sediments. Mercury continues to be released today through anthropogenic sources...

added to multiple point sources, treating a variety of chemicals plus sediment in a dynamic environment including vertical river stratification and interactions...

sediment that help fuel phytoplankton primary production in the water column, which in turn, provide organic substrate for regeneration in sediments by...

is a species of the genus of Penicillium which was isolated from marine sediment. MycoBank Straininfo of Penicillium limosum[dead link] UniProt Robert A...

of sea anemones. Edwardsiids have long thin bodies and live buried in sediments or in holes or crevices in rock. The following genera are recognized within...

landforms and physical processes, such as waves, tides, currents, wind, sediment transport, and severe weather events. Shoreline evolution occurs over short-...

igneous material and is formed when magma comes into contact with wet sediments. The term was originally used to describe rocks from the Limagne region...

Ionium-thorium dating is a technique for determining the age of marine sediments based upon the quantities present of nearly stable thorium-232 and more...

behind a layer of lacustrine sediment that blankets the Jordan Valley with terraces of sediment up to 40 m thick. These sediments are commonly called marls...

reduction in sediment transport implies a sediment deficit in the delta, which is causing the erosion of the coastline and lack of sediment replenishment...

eductor-jet pump-based tool used by underwater archaeologists to remove sediments from an underwater archaeological site. Airlifts may be used for the same...

tubifex worm, is a species of tubificid segmented worm which inhabits the sediments of lakes and rivers on several continents. Tubifex tubifex is a slender...

Rónadh; Lowe, Donald R.; Cullers, R. L. (1 July 1995). "The influence of sediment recycling and basement composition on evolution of mudrock chemistry in...

often occurs when low areas of a landscape become filled with lava or sediment that hardens into material that is more resistant to erosion than the material...

coral reefs, and form from sediment along shorelines, creating barrier islands. River islands can also form from sediment and debris in rivers. Artificial...

conflict with the dynamic nature of the coast and impede the exchange of sediment between land and sea. Seawall design factors in local climate, coastal...

(125,000 cu ft/s), and each year, it discharges about 20 million tons of sediment into the ocean. The river is named after Simon Fraser, who led an expedition...

groundwater flowing through cracked bedrock may trigger a movement of soil or sediments in landslides that continue as mudflows. Floods and debris flows may also...

inside its sediments. The loose surface spherules were eroded out of the sediments. They are informally called "blueberries". The plain's sediments have extremely...

researchers might find indirect evidence such as climate changes, anomalies in sediment, or traces of nuclear waste. The hypothesis also speculated that artifacts...

basin with sediment was accentuated with the building of the flood control levees that were completed in the 1940s. After the levees, sediment was directed...

sediment concentration. Lahars can occur as normal stream flows (sediment concentration of less than 30%), hyper-concentrated stream flows (sediment concentration...

finally entering Brazil. Despite its high flow, the Rio Negro has a low sediment load (5.76 million tonnes per year on average in Manaus). The source of...

(840 cu mi) of debris. Based on carbon dating of plant material recovered from sediment deposited by the tsunamis, the latest incident occurred around 6225–6170...

dense of the two liquids, or the liquid from which the precipitate or sediment has settled out—is poured off, leaving denser liquid or the solid behind...

raised edges that are the result of the impact of raindrop impacts on soft sediment surfaces. Sedimentary structures with similar appearance have been found...

common in anoxic sediments rich in methane. They are distributed worldwide and in some cases abundant in anaerobic marine sediments, geothermal springs...

alkenones), stable and radioactive isotopes, and trace metals. Additionally, sediment cores rich with fossils and shells (tests) can also be useful; the field...

even the rockfall and sediment disturbed by it, and the energy of the resulting waves from the rockfall and stirred-up sediment would not have been sufficient...

quartz. Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water. Silt usually has a floury feel when dry...

or the Young modified Van Veen grab sampler is an instrument to sample sediment in the ocean. It is a modified version of the Van Veen grab sampler, with...

bottom-feeders and sediment. High levels of PCBs were found in fish samples, and high concentrations of the pesticide DDT were found in sediment. Development...

feet of two mountains, Agia Dynati and Kalon Oros (901m). The surrounding sediment at Myrtos Beach is generally made up of marble material, a metamorphosed...

domain Bacteria. This phylum is found mainly in deep-sea, hydrocarbon-rich sediments, especially those associated with methane hydrates. Aerophobota is notable...

Toutle River. The eruption dramatically increased sediment yields and led to the creation of a sediment retention structure. A lot of Thorne's work has...

their habitat due to the way they rework the sediment during feeding. Whilst these crabs do rework the sediment around them, upturning the very top layer...

Yunping, Yang; Mingjin, Zhang; Jinhai, Zheng; Lingling, Zhu (2023). "Sediment sink-source transitions in the middle and lower reaches of the Yangtze...

to 6 cm, in the sediment to avoid predation. It has been suggested they migrate between the deeper sediment layers and the sediment surface to breathe...

slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in...

member of the Foraminifera. The organism appears as an agglomeration of sediment a few centimetres across, a sandy ball that easily crumbles when removed...

interaction of detrital sediment with in situ plants. VISS provide physical evidence of vegetation's fundamental role in mediating sediment accumulation and...

17β-Isoheptylandrostane is a 26-carbon (C26) sterane, found in eogene lacustrine sediments. Androstane Cholestane Nor- Bao JP, Li MW (2001). "Unprecedented occurrence...

permafrost expands; horizontal compression produces upturning of the frozen sediment by plastic deformation. The next winter the cold refreezes and cracks the...

sequentially deposited seasonal sediment laminations called varves at the bottom; these allow for accurate dating of sediment cores and make Crawford Lake...

biochemistry. A large proportion of isoprenoids and fatty acids in geological sediments are derived from plants and chlorophyll, and can be found in samples extending...

Potentially large deposits of methane clathrate have been found under sediments on the ocean floors of the Earth, although the estimates of total resource...

Elpidiidae tube feet. Scotoplanes move through the top layer of seafloor sediment and disrupt both the surface and the resident infauna as they feed. This...

in the correlation of rock units. Microfossils are found in rocks and sediments as the microscopic remains of what were once life forms such as plants...

and yellow can. Like Orangina, the beverage contains a small amount of sediment consisting of grapefruit juice pulp. Ting is produced in the United Kingdom...

In physical geography, entrainment is the process by which surface sediment is incorporated into a fluid flow (such as air, water or even ice) as part...

compaction of carbonate sediments disrupts them. Limeclasts are fragments of existing limestone or partially lithified carbonate sediments. Intraclasts are limeclasts...

the ERSLs except for lead. The latest sediment sampling results were also released in July 2014. All sediment chemical concentrations were found to be...

Ore is natural rock or sediment that contains one or more valuable minerals, typically including metals, concentrated above background levels, and that...

adhesive and cohesive forces that hold them together. Failure depends on sediment type, layering, and moisture content. All rivers and creeks experience...

distributions of PBDEs in sediments of the Clyde River Estuary in Scotland, UK have been assessed. Analysis of six sediment cores each of 1 m depth from...

manner in which they form, fluvial terraces are underlain by fluvial sediments of highly variable thickness. River terraces are the remnants of earlier...

flooding, where it overflows, carrying sediments into the floodplain. As the flooding slows and stops, the sediments are deposited, with the largest deposited...

metres), dark and murky with sediment. Fish fossils have not been found in deposits of Lake Missoula. Possibly, glacial sediment, rock flour, suspended in...

the marine sediment. Depending on the pH and salinity levels of the ocean water, organic matter will decay, releasing phosphorus from sediment in shallow...

for the yellow color of its water, which comes from the large amount of sediment discharged into the water as the river flows through the Loess Plateau...

齒垽 "tartar; dental calculus; plaque" (52.20) uses the rare name yìn 垽 "sediment: dregs" instead of gòu 垢 "filth" in the common yágòu 牙垢. Renshi 人勢 "penis"...

flows (also known as liquified flows and fluidized flows) are types of sediment-gravity flows in which grains within the flow are kept in suspension by...

d^{-1}} . Oxygen can be consumed by organisms in the sediment. This process is referred to as sediment oxygen demand (SOD). Measurement of SOD can be undertaken...

circulation. On smaller scales, breaking-induced mixing is important for sediment transport and for nutrient supply to the photic zone. Most breaking of...

chemicals have remained in the sediment. The creek has the highest concentrations of methyl mercury of any freshwater sediment in the world. Portions of the...

American sedimentologist. She is known for her studies of the Olduvai Gorge sediments, focused on the water supplies available to hominids and the paleoclimate...

southern Oregon and Baja California, where it forms a U-shaped burrow in the sediment and feeds on plankton using a mucus net. Urechis caupo is a plump, unsegmented...

processes in deltas. Sediment availability and deposition are important because deltas naturally subside and therefore need sediment accumulation to maintain...

initial surface of the sediment. In a study from Pensacola, Florida, PAHs were not detected on the surface on the aquatic sediment, but the highest concentrations...

primarily as alluvial land, i.e. as an accumulation of sediments from the rivers. The sediments deposited here in the Holocene alone range from 100 to...

debris. Such sediments can contain fragments of early cemented limestones of local origin which are known as intraclasts. Extraclasts are sediments that contain...

animals are not preserved. Carbonate particles cannot accumulate in the sediments where the sea floor is below this depth. Calcite is the least soluble...

spreading is also temporally linked to sediment deposition, so spreading rates should increase during times of high sediment deposition and decrease or halt...

lagoons tend to accumulate sediments from inflowing rivers, from runoff from the shores of the lagoon, and from sediment carried into the lagoon through...

the characteristics of the mountain belt. The foreland basin receives sediment that is eroded off the adjacent mountain belt, filling with thick sedimentary...

low-gradient coastal and river delta landscapes where water moves slowly and sediment builds up over long periods. They often develop from abandoned river channels...

glacier and collects water from a large area in Northeast Iceland. The sediment-rich runoff colours the water a greyish white. The falls are 100 metres...

construction sites they are often implemented in conjunction with sediment controls such as sediment basins and silt fences. Bank erosion is a natural process:...

would have led to the rapid burial of organisms under a thick layer of sediment. Coauthor David Burnham of the University of Kansas was quoted as saying...

the thickness of sediment. As a result of this survey, the lake was dredged in 2000, removing nearly 600,000 cubic yards of sediment. "Lake George". Geographic...

cannot be explained by the addition of soft sediment to a core. Thus, accretion and erosion of soft sediment by processes of subglacial deformation do not...

originates in the high Himalayas carrying high sediment load. The river generates a suspended sediment load of 43 Mt/yr, of which around 25 per cent consists...

sea anemone in the family Actiniidae. It is found semi-immersed in the sediment in shallow water in the tropical and subtropical Atlantic Ocean. The only...

dam traps about 30% of the total sediment in the Ventura River system, depriving ocean beaches of replenishing sediment. Initially, engineers had estimated...

terms for sites which drain surface water, possibly by infiltration into sediment or crumbled rock. Most sinkholes are caused by karst processes – the chemical...

all other rocks and sediments. They are sometimes exposed at the surface, but often they are buried under miles of rock and sediment. The basement rocks...

islands and sandbars have formed in the estuary from the large amount of sediment carried in by the Betsiboka River and have been shaped by the flow of the...

quantitatively estimate the depth that the basement would be in the absence of sediment and water loading. This depth provides a measure of the unknown tectonic...

containment of microplastics from environmental media such as soil, water, or sediment. Microplastics come from larger pieces of plastic that have been broken...

habitat characterized by depositional coastal environments, where fine sediments (often with high organic content) collect in areas protected from high-energy...

and silt-sized sediment that is cemented with carbonate minerals and has formed along a shoreline. Depending on location, the sediment that is cemented...

store more than 32.4 million acre-feet (40.1 km3) when first filled, but sediment accumulation has reduced this to 28.9 million acre-feet (35.6 km3). Mead...

psychrotolerant member of its family, capable of attaching to the anodes of sediment fuel cells and harvesting electricity by oxidation of organic compounds...

deposits of sediment caused by the flow of streams or glacial melt: Abyssal fan, underwater geological structures linked with large-scale sediment deposition...

farm fields, and other land surfaces. Such pollutants include trash, sediment, nutrients, bacteria, pesticides, metals, and petroleum byproducts. When...

colloidal particles are denser than the medium of suspension, they will sediment (fall to the bottom), or if they are less dense, they will cream (float...

Tübingen Institut für Urgeschichte conducted scientific analyses on the sediment, pollen, and fauna found within the cave. The stratigraphic sequence at...

found. This sediment type consisted of 4.2% of the total thickness of sediment recovered by the DSDP. Biogenic pelagic silica sediments consist of radiolarian...

than the edges. Many different kinds of sediment help preserve fossils and climate records. The main sediments that build up and create layers in blue...

continuity in a 1669 work on the fossilization of organic remains in layers of sediment. In 1759 the Italian geologist Giovanni Arduino proposed the division of...

Roberto; Rocha, Edson José Paulino da (2021). "Comparison of sediment rating curves and sediment yield in subbasins of the Itacaiúnas River Watershed, Eastern...

commissioned in 1980. Due to heavy sediment and turbidity in the Seto Reservoir, caused by logging and landslides upstream, a sediment bypass tunnel was constructed...

Elutriation is a common method used by biologists to sample meiofauna. The sediment sample is constantly agitated by a flow of filtered water from below, the...

of pressurized pore fluids) or passively by water, wind, and gravity (sediment swept into open cracks). Diagenesis may play a role in the formation of...