The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 115
... 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 176
... 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 178
... snow and firn render it somewhat opaque . The absorption coefficient , or rate at which incident radiation decreases with depth , is about 0.1 cm for snow and only 0.001 cm or less for clear ice . Ice is weakly birefringent , or doubly ...
... snow and firn render it somewhat opaque . The absorption coefficient , or rate at which incident radiation decreases with depth , is about 0.1 cm for snow and only 0.001 cm or less for clear ice . Ice is weakly birefringent , or doubly ...
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activity andesite antibodies antigen atoms basalt basin bonds carbon cause cells centimetres central centre century chemical composition crystals cultural cycle cyclone earth economic effect eruption evaporation example feet feldspar feldspathoids flow freezing gabbro glaciers groundwater hallucinations heat hockey humidity Hungarian Hungary hydrocarbons hydrogen hydrograph hydrologic hydrologic cycle hypnosis hypnotic ice sheets icebergs Iceland ideology igneous rocks Illinois illusion immunoglobulin immunological important increase India industrial intrusive kilometres king lakes land lava layers lymphocytes mafic magma major melting ment metres miles millimetres minerals molecules mountain northern occur ocean parasitic percent philosophy plagioclase political population precipitation pressure produced pyroxene rainfall reaction region relatively result river runoff snow social soil specific square kilometres square miles structure surface temperature theory tion types United vapour volcanic western wind zone