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sediments    音标拼音: [s'ɛdəmənts]
n. 沉淀物

沈淀物


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  • Sediment - Wikipedia
    Sediments are most often transported by water (fluvial processes), but also wind (aeolian processes) and glaciers Beach sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans
  • Sediment - National Geographic Society
    Over millions of years, layers of sediment may build up and harden into sedimentary rock Some of the many forms of sedimentary rock include sandstone, rock salt, and coal Sandstone forms as sand hardens For centuries, sandstone has been mixed with sticky cement to form concrete
  • Sediments | US EPA
    This page introduces the sediments module, when to list sediments as a candidate cause, ways to measure sediments, simple and detailed conceptual diagrams for sediments, sediments module references and literature reviews
  • Sediment | geology | Britannica
    Sedimentology is the scientific study of sediments and the processes involved in their formation, including transportation, deposition, and lithification (turning into rock) Sediments are unconsolidated deposits of weathered material, formed by processes like erosion, wind, water, ice, and gravity
  • What is a sediment? - The Institute for Environmental . . .
    Sediments are invaluable archives of Earth’s past environments By analyzing the grain size, composition, sedimentary structures, and fossil content of sedimentary rocks, geologists can reconstruct ancient landscapes, determine the climate, and track changes in sea level
  • 12. 1 Classifying Sediments – Introduction to Oceanography
    All regions of the seafloor contain some form of sediment, although there are many different types of sediments from a variety of sources, and the amount of accumulated sediment can vary greatly from place to place Globally, ocean sediments average about 1 km thick, but they can exceed 15 km thick in areas of high accumulation (Figure 12 1 1)
  • Sedimentation | NASA Earthdata
    NASA’s Earth science data help scientists study sediments to learn more about topics like river flows, natural disasters, and deforestation
  • Sediment - New World Encyclopedia
    Sediments may be transported by the action of streams, rivers, glaciers, and wind Desert sand dunes and loess (fine, silty deposits) are examples of eolian (wind) transport and deposition Glacial moraine (rock debris) deposits and till (unsorted sediment) are ice -transported sediments
  • Sediments - an overview | ScienceDirect Topics
    Sediments are particulate matter that can be or have been transported by fluids, wind, or glaciers and which might have been deposited as a layer of solid particles in a dense packed suspension at the bottom of water bodies
  • 6: Sediments and Sedimentary Rocks - Geosciences LibreTexts
    Sedimentary rocks are formed by the deposition and subsequent cementation of that material at the Earth's surface and within bodies of water Sedimentation is the collective name for processes that …





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