The Water Cycle On A Global Scale Flashcards
What is the largest store of water?
Oceans 97% of global water
What’s the % of oceans, freshwater and other saline waters?
97%
2.5%
0.5%
What percentage is freshwater stores?
2.5%
What are the % splits of the 2.5% of freshwater stores on earth?
69% is glaciers, ice caps and ice sheets
30% groundwater
1% other
What are the four areas water can be stored?
Hydrosphere
Lithosphere
Cryosphere
Atmosphere
What is the hydrosphere?
Any liquid water
What is the lithosphere?
Water stored in the crust and upper mantle
What is the cryosphere?
Any water that is frozen
What is the atmosphere in terms of the water cycle?
Water vapour
What are aquifers?
Underground water stores
How many years can shallow groundwater aquifers store water for?
200 years
How many years can deep fossil aquifers store water for?
10,000 years