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glacier    音标拼音: [gl'eʃɚ]
n. 冰河

冰河

glacier
n 1: a slowly moving mass of ice

Glacier \Gla"cier\, n. [F. glacier, fr. glace ice, L. glacies.]
An immense field or stream of ice, formed in the region of
perpetual snow, and moving slowly down a mountain slope or
valley, as in the Alps, or over an extended area, as in
Greenland.
[1913 Webster]

Note: The mass of compacted snow forming the upper part of a
glacier is called the firn, or n['e]v['e]; the glacier
proper consist of solid ice, deeply crevassed where
broken up by irregularities in the slope or direction
of its path. A glacier usually carries with it
accumulations of stones and dirt called moraines, which
are designated, according to their position, as
lateral, medial, or terminal (see {Moraine}). The
common rate of flow of the Alpine glaciers is from ten
to twenty inches per day in summer, and about half that
in winter.
[1913 Webster]

{Glacier theory} (Geol.), the theory that large parts of the
frigid and temperate zones were covered with ice during
the glacial, or ice, period, and that, by the agency of
this ice, the loose materials on the earth's surface,
called drift or diluvium, were transported and
accumulated.
[1913 Webster]

48 Moby Thesaurus words for "glacier":
Dry Ice, berg, calf, cryosphere, firn, floe, frazil, frozen water,
glaciation, glacieret, glaze, glazed frost, granular snow,
ground ice, growler, ice, ice banner, ice barrier, ice belt,
ice cave, ice cubes, ice dike, ice field, ice floe, ice foot,
ice front, ice island, ice needle, ice pack, ice pinnacle,
ice raft, ice sheet, iceberg, icefall, icequake, icicle, jokul,
lolly, neve, nieve penitente, pack ice, serac, shelf ice, sleet,
slob, sludge, snow ice, snowberg


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  • Glacier Quick Facts | National Snow and Ice Data Center
    What is a glacier? A glacier is an accumulation of ice and snow that slowly flows over land Alpine glaciers are frozen rivers of ice, slowly flowing under their own weight down mountainsides and into valleys Ice sheets exist only on Greenland and Antarctica, and they spread out in broad domes in multiple directions
  • Glaciers - National Snow and Ice Data Center
    What is a glacier? A glacier is an accumulation of ice and snow that slowly flows over land At higher elevations, more snow typically falls than melts, adding to its mass Eventually, the surplus of built-up ice begins to flow downhill At lower elevations, there is usually a higher rate of melt or icebergs break off that removes ice mass Alpine glaciers are frozen rivers of ice, slowly
  • Science of Glaciers | National Snow and Ice Data Center
    What is the lifecycle of a glacier, and what factors influence its lifecycle? The amount of precipitation, whether in the form of snowfall, freezing rain, avalanches, or wind-drifted snow, is important to glacier survival For instance, in very dry parts of Antarctica, low temperatures are ideal for glacier growth, but the small amount of net annual precipitation causes the glaciers to grow
  • Why Glaciers Matter | National Snow and Ice Data Center
    Glacier melt delivers nutrients into lakes, rivers, and oceans Those nutrients can drive blooms of phytoplankton—the base of aquatic and marine food chains Meanwhile, gradual glacier melt sustains stream habitats for plants and animals So, glaciers often have an indirect impact on wildlife and fisheries
  • World Glacier Inventory - NSIDC
    Glacier Parameters Search Search by geographic cooridnates (lat lon), altitude size length, data contributor, and glacier features such as primary class, form, frontal characteristic, longitudinal profile, major source of nourishment, and tongue activity Geographic Coordinates If no latitude or longitude is specified, the search defaults to the full geographical range Enter values in decimal
  • Global PyGEM-OGGM Glacier Projections with RCP and SSP Scenarios . . .
    This data set comprises results from a hybrid glacier evolution model that uses the mass balance module of the Python Glacier Evolution Model (PyGEM) and the glacier dynamics module of the Open Global Glacier Model (OGGM) Output parameters include projections of glacier mass change, fixed runoff, and various mass balance components at regionally aggregated and glacier scales
  • GLIMS - National Snow and Ice Data Center
    This data collection’s primary data product is the GLIMS Glacier Database The glacier database includes measurements of glacier geometry, glacier area, snowlines, supraglacial lakes and rock debris, and other glacial attributes, as well as browse images
  • Cryosphere glossary - National Snow and Ice Data Center
    ablation (1) combined processes (such as sublimation, fusion or melting, evaporation) which remove snow or ice from the surface of a glacier or from a snow-field; also used to express the quantity lost by these processes (2) reduction of the water equivalent of a snow cover by melting, evaporation, wind and avalanches
  • glacier terminus - National Snow and Ice Data Center
    the lowest end of a glacier; also called glacier snout or toe
  • Learn - National Snow and Ice Data Center
    Quick facts, basic science, and information about snow, ice, and why the cryosphere matters The cryosphere includes all of the snow and ice-covered regions across the planet





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