Sentences with phrase «under ocean sediments»

Not exact matches

Hydrate Ridge is a pile of sediments that has been scraped off and piled up as the tectonic plate carrying the northwest Pacific Ocean slides under North America.

Fumio Inagaki from the Japan Agency for Marine - Earth Science and Technology, who made the discovery, says the lake probably formed when carbon dioxide seeped out through the ocean floor from a deep - sea volcano and pooled under a blanket of solid, icelike CO2 hydrate and deep - sea sediment.

Microbiomes also exist in the soil and the sediment under our oceans, rivers, and lakes.

Another vast source of methane is in icy deposits known as methane hydrates, often in sediments deep under the world's oceans.

report that ocean sediment cores containing an «undisturbed history of the past» have been analyzed for variations in PP over timescales that include the Little Ice Age... they determined that during the LIA the ocean off Peru had «low PP, diatoms and fish,» but that «at the end of the LIA, this condition changed abruptly to the low subsurface oxygen, eutrophic upwelling ecosystem that today produces more fish than any region of the world's oceans... write that «in coastal environments, PP, diatoms and fish and their associated predators are predicted to decrease and the microbial food web to increase under global warming scenarios,» citing Ito et al..

Calcium carbonate is essentially insoluble compared to bicarbonate so insofar as shells rain down to the deep ocean or get buried under sediment on the continental shelfs this removes CO2 and calcium as well.

Methane hydrates are 3D ice - lattice structures with natural gas locked inside, and are found both onshore and offshore — including under the Arctic permafrost and in ocean sediments along nearly every continental shelf in the world.

[1] Originally thought to occur only in the outer regions of the Solar System where temperatures are low and water ice is common, significant deposits of methane clathrate have been found under sediments on the ocean floors of Earth.

Stocks Under conditions of high pressure, high methane concentration, and low temperature, water and methane can combine to form icy solids known as methane hydrates or clathrates in ocean sediments.

(For a different perspective based on Holocene ocean sediments under the Ellesmere Island ice shelf, see the recent Antoniades et al (PNAS 2011).

[1] Originally thought to occur only in the outer regions of the Solar System, where temperatures are low and water ice is common, significant deposits of methane clathrate have been found under sediments on the ocean floors of the Earth.