ATMS 111 Test #2 With Complete Solution

ATMS 111 Test #2 With
Complete Solution

Five elements of the cryosphere - ANSWER Sea ice, continental ice sheets,
permafrost, mountain glaciers, snowpack.




Largest current cause of sea level rise - ANSWER Thermal expansion




Largest cause of sea level rise in near future - ANSWER melting of mountain
glaciers




Largest cause of sea level rise in further future - ANSWER Melting of land ice




Methane hydrates - ANSWER Large amount of methane trapped in the
crystal structure of ice water.




Why is the Arctic more vulnerable to ice-albedo feedback than Antarctica? -
ANSWER The transport and downwelling of warm water in the Arctic.




Sea ice - ANSWER Frozen sea water that floats on the ocean surface

, When does sea ice grow? - ANSWER Winter




Ice sheets - ANSWER Huge chunks of ice on land, example: Antarctica,
Greenland




Mass balance - ANSWER Determines whether sheets are growing or
shrinking.




How do ice sheets gain mass? - ANSWER Snow




How do ice sheets lose mass? - ANSWER Melting and calving of icebergs




Calving of icebergs - ANSWER Natural process of ice breaking off of the
edges of icebergs.




If Greenland Melted... - ANSWER Global sea level would rise by 7m.




If Antarctica melted.... - ANSWER Global sea level would rise by 61m.




Mountain Glaciers - ANSWER 2nd largest contributor to sea level rise behind