lesson 7-earths water

Question 1

how much land is covered by snow?

Answer 1

47 million km^2

Question 2

what is terrestrial water?

Answer 2

-surface water-rivers and streams
-ground water-water held in ground
-soil water-water held in soil

Question 3

why does water in a reservoir stay constant?

Answer 3

dynamic equilibrium
-water stays in the atmosphere for a very short time-( short residence), it evaporates and quickly condenses and falls as precipitation

Question 4

what is a soil moisture budget
-sketch and label

Answer 4

balance between water input and output
-google for diagram
-labelled:
surplus x2
precipitation
evapotranspiration
deficit

Question 5

what is an example of a glacier

Answer 5

Rhone glacier- source of the Rhone river- Switzerland
Briksdal Glacier-Olden, Norway- feeds the fjords

Question 6

does cold water store more C02 than warm water

Answer 6

No
particles are more spaced out in warm
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