Surface water
How much of Earth's surface water is potable?
0.003%
Material that allows water to infiltrate the ground is considered what?
Permeable
What 2 things affect the ocean's density?
temperature and salinity
How do cold ocean currents affect coastal climates?
Stabilize climate, cooler temperatures, and lower average precipitation
Name a source of water pollution
Industry, urban runoff, farming/agriculture, septic tank leakage, landfills, oil tanks, etc.
How much of Earth's surface is covered in seawater?
75%
What is an aquifer?
Underground water storage
What is upwelling?
the upward movement of nutrient-rich ocean water along the coast
How do warm ocean currents affect coastal climates?
Stabilize climate, warm temperatures, higher average precipitation
What would happen if we developed farms along the divide of a watershed/river basin?
increased water pollution
Where is most of Earth's freshwater located?
Glaciers and Ice caps
Why does runoff and flooding occur?
The ground is already saturated
What happens to warm ocean currents as they travel toward the poles?
They cool down and become more dense
What are inland climates like?
How might industry affect the hydrosphere?
Runoff from industry could contaminate the local water supply
What is transpiration?
A stage of the water cycle when water is evaporated off the leaves of plants
How would the installation of many new wells affect the water table of an area that hasn't received a recharge for it's groundwater in a long time?
It will decrease the water table and lead to subsidence.
What is the driving factor of surface currents?
Global wind systems
Why do you think that some regions do not have access to fresh water?
Because there is a limited supply of freshwater
What happens to a coastal region when there is excessive withdrawal of groundwater?
Salt water intrusion into the water table
Which direction do gyres move along the equator? Why?
Move to the west because of Trade winds