27.3 Flashcards
What percentage of water on Earth is salt water?
97% of water is saltwater.
What percentage of water on Earth is freshwater?
3% of water is freshwater.
Where is the majority of freshwater found?
The majority of freshwater is found in glaciers.
Where is the smaller percentage of freshwater found?
The smaller percent is found in lakes,rivers,and stored as ground water.
What is precipitation?
When water vapor in the air cools condenses to form, rain, snow, sleet. and hail
What is runoff?
Water running off the land surface.
What is infiltration?
The process by which water enters Earth and becomes groundwater below the surface.
What is transpiration?
When plants release water vapor into the atmospere through their leaves.
What is evaporation?
When water enters the atmosphere as water vapor.
What is condensation?
When water vapor collides with other water vapor molecules to form water droplets.
What is the water cycle?
The six steps
What is an unsaturated zone for groundwater storage?
The porous area where water easily passes through.
What is a saturated zone for groundwater storage?
Beneath the unsaturated zone, where water completely fills the pore space.
What is a water table?
The upper boundary of the saturated zone,
What does it mean if sediment is permeable?
Water can go through it to the ground better.
What is an aquifer?
A rock unit that can transfer water through its pore space.
What is the name of the Great Plains Aquifer?
Ogallala Aquifer.
How many states does the Great Plains Aquifer run through?
8 states.
What are the names of the states that the Great Plains Aquifer run through?
South Dakota, Wyoming, Nebraska, Colorado, Kansas, Oklahoma, New Mexico, and Texas.
What is an aquitard?
Where water is confined, Shale layers are an example.
How are water springs formed?
Form where a water table naturally meets Earths surface.
What is an artesian well?
Wells drilled into pressurized aquifers.
What is a cone of depression?
