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two biggest concerns about water resources
water pollution and water accessibility
four categories of human impact on water?
changes to earth’s surface
changes to earth’s climate/atmospheric pollution
withdrawals diversion for human use
excess pollution
4 important properties of water
Cohesion
moderation of temperature
ice floats on liquid water
water as a solvent
who are the biggest users of water
Non-consumptive Uses: Nonconsumptive uses of water: water may be contaminated but is still available to humans. Used in homes, industries, and
electric power production
Consumptive uses of water: the applied water does not return to the
water resource. It percolates into the ground or evapotranspires
what is water and used in the eastern vs western USA
Eastern US - most water is used
for energy production,
manufacturing
Western US - most water is used for
irrigation
what drives the hydrological cycle
driven by gravity and solar energy
Define transport
The movement of water through the atmosphere, specifically, from over the oceans over land.
Define condensation
The transported water vapor eventually condenses, forming tiny
droplets in clouds.
precipitation
The primary mechanism for transporting water from the
atmosphere to the surface of the earth.
what is ground water
beneath Earth's surface in rock and soil pore spaces and in the fractures of rock formations. It is stored in and moves slowly through geologic formations called aquifers
overland
WATER FLOWS OVER THE GROUND TO RIVERS AND STREAMS
what is evapotranspiration
WATER LOST BACK TO THE ATMOSPHERE BY EVAPORATION AND TRANSPIRATION IS KNOWN COLLECTIVELY