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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
    Science 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
  • 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
  • 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
  • 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
  • glacier - National Snow and Ice Data Center
    glacier a mass of ice that originates on land, usually having an area larger than one tenth of a square kilometer; many believe that a glacier must show some type of movement; others believe that a glacier can show evidence of past or present movement
  • Seeking the world’s largest glaciers - National Snow and Ice Data Center
    What defines a glacier? What are the world’s three largest glaciers? What are the largest glaciers in each region of the world? As often as the rapidly changing cryosphere is making headlines, from stories on dwindling Arctic sea ice to thawing permafrost to melting ice sheets, one would think the answers to these questions would be obvious and easy to find
  • Ice Sheets Today - National Snow and Ice Data Center
    About Ice Sheets TodayWater carves into the Greenland Ice Sheet, exposing layers of dust At the edge of the ice sheet, surface melt releases old layers of dirt, dust, pollen, or ash that have traveled thousands of years into the ice Under sunny weather, the darker areas heat up with radiation, melt the ice underneath, and thus accumulate in tiny cryoconite holes (looking like miniature
  • Quick Facts About Ice Shelves | National Snow and Ice Data Center
    The height of the Antarctica's largest ice shelf, the Ross Ice Shelf, looms in the background with sea ice spreading in front — Credit: National Oceanic and Atmospheric Administration (NOAA) How do ice shelves form? Glaciers flow under their own weight out to a coastline and onto the ocean surface, pushing and feeding an ice shelf Snow falls on a glacier, adding mass to the glacier, which





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