Marine sediment, or ocean sediment, or seafloor sediment, are deposits of insoluble particles that have accumulated on the seafloor. These particles either...
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accumulate sediment over time. The sediment can consist of terrigenous material, which originates on land, but may be deposited in either terrestrial, marine, or...
22 KB (2,812 words) - 01:47, 17 March 2024
particles produced in surface waters. In case of marine sediments, ooze does not refer to a sediment's consistency, but to its composition, which directly...
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Seabed (redirect from Marine floor)
oceans is covered in layers of marine sediments. Categorized by where the materials come from or composition, these sediments are classified as either: from...
26 KB (4,410 words) - 19:08, 25 August 2024
Sedimentary rock (redirect from Sediment bed)
settle in place. The particles that form a sedimentary rock are called sediment, and may be composed of geological detritus (minerals) or biological detritus...
63 KB (7,683 words) - 08:39, 25 June 2024
Carbon-to-nitrogen ratio (section By sediment type)
paleoclimate research, having different uses whether the sediment cores are terrestrial-based or marine-based. Carbon-to-nitrogen ratios are an indicator for...
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Calcareous (section Marine sediments)
additional form of calcareous marine sediment consists of calcareous ooze, which is a form of calcium carbonate sediment that consists of >30% biogenous...
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sediments can coexist, shallow marine environments can also contain only one or the other. Shallow water marine sediment primarily features larger grain...
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Microfossil (section Marine sediments)
Terrestrial microfossils include pollen and spores. Marine microfossils found in marine sediments are the most common microfossils. Everywhere in the...
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are active in the chemistry of marine sediments. Many fungi have been identified as commensals or pathogens of marine animals (e.g., corals and sponges)...
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Sedimentation (redirect from Sedimenting)
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...
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drift, glacial erosion, glacial meltwater, glacial deposition, marine sediment, marine transgressions, volcanoes, divergent boundaries or river sedimentation...
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Dissolved organic carbon (section Marine sediments)
degraded in aerobic soils but is relatively recalcitrant in anoxic marine sediments. This example shows bioavailability varies as a function of the ecosystem's...
79 KB (9,614 words) - 15:45, 19 April 2024
Fauna (redirect from List of sediment-dwelling animals)
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,...
11 KB (1,204 words) - 01:54, 2 September 2024
Estuary (section Implications for marine life)
both to marine influences such as tides, waves, and the influx of saline water, and to fluvial influences such as flows of freshwater and sediment. The mixing...
41 KB (4,820 words) - 22:32, 16 August 2024
level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from the Ancient Greek...
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A marine habitat is a habitat that supports marine life. Marine life depends in some way on the saltwater that is in the sea (the term marine comes from...
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Oceanic carbon cycle (redirect from Marine carbon cycle)
(1995-12-01). "Aerobic and anaerobic decomposition of organic matter in marine sediment: Which is fastest?". Limnology and Oceanography. 40 (8): 1430–1437...
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Martin curve Particulate organic matter Sea snot Sediment trap Whale fall Vampire squid Seston What is marine snow? NOAA National Ocean Service. Updated:06/25/18...
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Biogenous ooze (category Sediments)
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. Biogenous...
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storing considerable amounts of carbon in marine sediments, thus becoming important regulators of climate change. Marine microorganisms are key parts of these...
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also be present. Ooze, in the context of a marine sediment, does not refer to the consistency of the sediment but to its biological origin. The term ooze...
304 KB (29,025 words) - 19:28, 21 August 2024
Iridium (section Marine oceanography)
and marine sediment is sensitive to marine oxygenation, seawater temperature, and various geological and biological processes. Iridium in sediments can...
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Deposition (geology) (redirect from Deposition (sediment))
1889. Figure 1 illustrates this relationship between sediment grain size and the depth of the marine environment. The first principle underlying the null...
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allow the porewater to be oxygenated throughout the entire sediment column. In July 2020, marine biologists reported that aerobic microorganisms (mainly)...
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also be present. Ooze, in the context of a marine sediment, does not refer to the consistency of the sediment but to its biological origin. The term ooze...
232 KB (21,388 words) - 09:31, 2 June 2024
both to marine influences—such as tides, waves, and the influx of saline water—and to riverine influences—such as flows of fresh water and sediment. The...
42 KB (4,591 words) - 01:18, 15 August 2024
Heinrich events is the climatic event causing the IRD layer observed in marine sediment cores from the North Atlantic: a massive collapse of northern hemisphere...
39 KB (4,071 words) - 12:40, 26 June 2024
Sediment transport is the movement of solid particles (sediment), typically due to a combination of gravity acting on the sediment, and the movement of...
56 KB (8,282 words) - 08:15, 25 June 2024
a spatial separation of sulfide oxidation and oxygen reduction in marine sediment that was interrupted and re-established at a rate faster than could...
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