where is water Flashcards
1
Q
store of all water %
A
- [MAIN] ocean 97%
- freshwater 3%
2
Q
store of freshwater %
A
of the 3% all water
- [MAIN] ice caps 69%
- groundwater 30%
- surface water 1%
3
Q
store of surface water %
A
of 1% easy access surface fresh water
- [MAIN] ground ice + permafrost 70%
- lakes 20%
- soil moisture 4%
- atmosphere 3%
- swamp 3%
- in living things 0.26%
4
Q
how long water in cycle before moving
A
- ocean = 4000 yrs
- [LONGEST] old groundwater = 10,000 yrs
- young groundwater = 200-400 days
- [SHORTEST] atmospheric water = 10 days
- biospheric = 1 week
- glacier = 20-100 yrs
- soil moisture = 1-2 months
5
Q
what is water table
A
height of water in rocks
water can infiltrate permeable rocks
6
Q
what is young groundwater
A
water not there long
renewablew
7
Q
what is older groundwater
A
lower down
salty as gets salt from rock