water cycle: global scale Flashcards
water can be stored in what four areas?
hydrosphere, lithosphere, cryosphere, atmosphere
hydrosphere
any liquid water
lithosphere
water stored in the crust and upper mantle
cryosphere
any water that is frozen
atmosphere
water vapour
what are aquifers/
underground water stores and on a global scale they are unevenly distrubuted
how long can shallow groundwater aquifers store water for?
up to 200 years
when did deeper fossil aquifers form during?
wetter climatic periods
how long could deeper fossil aquifers last for?
10,000 years
from accumulation to elation/calving, glaciers may storm water for how long?
20-100 years
glaciers may feed lakes which store water for….
50-100 years
how long do seasonal snow cover and river store water for?
2-6 months
soil water acts as a …..
temporary store
How long does soil water hold water?
1-2 months