The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 70
Page 167
... melting occurs at both upper and lower surfaces , but is much more intense on the upper surface . Solar radiation , conduction from the air , and heat derived from rain are the principal energy sources leading to decay and dissipa- tion ...
... melting occurs at both upper and lower surfaces , but is much more intense on the upper surface . Solar radiation , conduction from the air , and heat derived from rain are the principal energy sources leading to decay and dissipa- tion ...
Page 178
... melting point due to hydrostatic pressure , 0.0074 de- gree Celsius per bar . Thus for a glacier 300 metres ( 984 feet ) thick , everywhere at the melting temperature , the ice at the base is 0.25 degree Celsius ( 0.45 degree Fahren ...
... melting point due to hydrostatic pressure , 0.0074 de- gree Celsius per bar . Thus for a glacier 300 metres ( 984 feet ) thick , everywhere at the melting temperature , the ice at the base is 0.25 degree Celsius ( 0.45 degree Fahren ...
Page 179
... melting of ice . It is in- correct to think of snow or ice melt as directly related to air temperature ; even in those situations in which heat from the air is an important factor , it is the wind struc- ture near the surface that ...
... melting of ice . It is in- correct to think of snow or ice melt as directly related to air temperature ; even in those situations in which heat from the air is an important factor , it is the wind struc- ture near the surface that ...
Other editions - View all
Common terms and phrases
activity amount antigen appear atoms become body bonds called cause central centre century common contain continued cover crystals cultural determined direct early east economic effect evaporation example fall feet Figure flow force glaciers Hungary hydrogen icebergs important income increase India individual industry internal Italy knowledge known lakes land later less major mass material means measure melting ment method metres miles minerals molecules natural North occur ocean organic origin percent period philosophy political population position present pressure produced range reaction regions relatively remains response result rise river rocks social soil structure supply surface temperature theory tion types United University usually various western wind