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loess    音标拼音: [l'oəs]
n. 黄土

黄土

loess
n 1: a fine-grained unstratified accumulation of clay and silt
deposited by the wind

Loess \Loess\ (l[~e]e), n. [G. l["o]ss.] (Geol.)
A quaternary deposit, usually consisting of a fine yellowish
earth, on the banks of the Rhine and other large rivers.
[1913 Webster]


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  • Loess - Wikipedia
    Loess in Vicksburg, Mississippi, United States Loess (US: ˈlɛs, ˈlʌs, ˈloʊ əs , UK: ˈloʊ əs, ˈlɜːs ; from German: Löss [lœs]) is a clastic, predominantly silt -sized sediment that is formed by the accumulation of wind-blown dust [1] Ten percent of Earth's land area is covered by loesses or similar deposits [2] Loess is a periglacial or aeolian (windborne) sediment
  • Loess | Wind-Deposited Sediment Soil Formation | Britannica
    Loess, an unstratified, geologically recent deposit of silty or loamy material that is usually buff or yellowish brown in colour and is chiefly deposited by the wind Loess is a sedimentary deposit composed largely of silt-size grains that are loosely cemented by calcium carbonate It is usually
  • Loess - National Geographic Society
    In some parts of the world, windblown dust and silt blanket the land This layer of fine, mineral-rich material is called loess
  • LOESS Definition Meaning - Merriam-Webster
    The meaning of LOESS is an unstratified usually buff to yellowish brown loamy deposit found in North America, Europe, and Asia and believed to be chiefly deposited by the wind
  • Loess records | U. S. Geological Survey - USGS. gov
    Loess is an eolian deposit, composed mainly of silt grains, which can be identified in the field as a distinct sedimentary body It covers a significant portion of the land surface of the Earth and is one of the most important terrestrial archives of long-term dust deposition Loess appears on almost all continents, and ranges in thickness up to several hundred of meters Most loess sequences
  • Understanding Loess Soil Formation and Properties
    Loess soil is a fascinating and significant geological material that has played a crucial role in shaping landscapes, supporting agriculture, and influencing human settlement patterns around the world Its unique formation process and distinct physical and chemical properties make it an important subject of study in soil science, geology, and environmental management This article provides a
  • Loess genesis and worldwide distribution - ScienceDirect
    Research on loess genesis is often local with only a few attempts at systematically overviewing worldwide loess distribution Both the local and few global studies lack information on the variability in loess thickness, continuity, and areal extent
  • What is Loess? - Loess Hills Audubon Society
    What is Loess?  Loess (pronounced "luss") is a German word meaning "loose" and it is the name of a type of soil Loess is a deposit of fine, yellowish-gray, clay-like sediment which can be found from north central Europe to eastern China and in the American Midwest
  • Loess and Paleosols - National Centers for Environmental Information
    Loess are silt-sized particles deposited on the Earth's surface by winds Extensive loess deposits formed during the Ice Ages in areas bordering large, continental glaciers Paleosols are past soil horizons preserved in a geologic section, indicative of changes in variables such as temperature and precipitation These deposits provide some of the most dramatic examples of changes in climate
  • Loess - exhibits. museum. state. il. us
    Loess is a geologic term that refers to deposits of silt (sediment with particles 2-64 microns in diameter) that have been laid down by wind action (aeolian activity to geologists)





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