The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 197
... snow may accumulate to form a cover . The fresh snow cover has a density varying from about 0.06 to 0.16 ; it is filled with air and transmits water readily . Whereas the surface snow may evaporate after melting or sublimate ( pass ...
... snow may accumulate to form a cover . The fresh snow cover has a density varying from about 0.06 to 0.16 ; it is filled with air and transmits water readily . Whereas the surface snow may evaporate after melting or sublimate ( pass ...
Page 258
... snow - to - ice transformation at depths of ( left ) 1 metre , ( centre ) 22 metres , and ( right ) 100 metres ( magnified about 4.6 X ) . At 1 metre and 22 metres the uniformly gray areas between grains of snow represent pore spaces ...
... snow - to - ice transformation at depths of ( left ) 1 metre , ( centre ) 22 metres , and ( right ) 100 metres ( magnified about 4.6 X ) . At 1 metre and 22 metres the uniformly gray areas between grains of snow represent pore spaces ...
Page 260
... snow and firn render it somewhat opaque . The absorption coefficient , or rate at which incident radiation decreases with depth , is about 0.1 cm1 for snow and only 0.001 cm1 or less for clear ice . Ice is weakly birefringent , or ...
... snow and firn render it somewhat opaque . The absorption coefficient , or rate at which incident radiation decreases with depth , is about 0.1 cm1 for snow and only 0.001 cm1 or less for clear ice . Ice is weakly birefringent , or ...
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andesite Antarctic antibodies antigen atoms basalt basin bonds carbon cause cells centimetres central centre century chemical composition crystals cultural cycle cyclone earth east economic effect eruption evaporation feet feldspar feldspathoids flow freezing gabbro glaciers groundwater humidity Hungarian Hungary hunting hydrocarbons hydrogen hydrograph hydrologic hydrologic cycle hypnosis ice sheets icebergs Iceland ideology igneous rocks Illinois immunoglobulin immunological important increase India Indian industry intrusive kilometres king known lakes land lava layers lymphocytes mafic magma major melting ment metres miles millimetres minerals molecules mountain natural northern occur ocean parasitic percent philosophy plagioclase political population precipitation pressure produced rainfall range reaction region relatively result Reykjavík river runoff Samkhya snow social soil square kilometres structure surface temperature theory tion ture types United vapour Vedānta volcanic western wind zone