____% of water on Earth is Salt Water
2% of fresh water is locked up in ____ ____
___% of fresh water we can drink is mostly found in the _____
Drainage basin; watershed
All land that drains into a river is called a ______ _____ or a _____
Water drains ______
The bounday between two watersheds
A river and all of its tributaries.
River Systems carry eroded rock/sediment to the ______
Distance water travels in a certain time
Steepness of the slope of a river/stream
Volume of water that passes certain point
The path that water flows through
When a river or stream no longer has energy to transport suspended materials
Rivers weather mostly by ____ means
_____ is the most common way a river is weathered mechanically
Load; Solution; Suspended; Bed Load
Eroded materials transported by water are called _____ and can be transported as: _________, ________, _____ _____
_____ _____ are carved over time by the rivers flow
The area of a valley covered when the river floods
A river valley with very steep almost vertical sides
Water that enters the ground and is stored. Impacted by type of rock or soil.
____% of United States drinking water is provided by Ground Water
When more ground water supplies are used than can recharged, there is a drop in the _____ _____
Term for when ground compacts as water supporting it goes dry
When salt water replaces freshwater
-especially near coastal areas
When pollutants such as fertilizers, oils, pesticides can be carried by rain into the ground water
The amount of water solid or rock can hold based on space between grains in the material
Well sorted/ more rounded particles have a _____ porosity than poorly sorted less rounded particles
The rate at which water can pass through pore spaces in a rock
A material that water cannot pass through is called _____
Zone of saturation
when all pore spaces are filled with water
The upper zone of saturation
Zone of aeration
The area between the water table and surface that can still hold water
Where the water tables reached the surface there is a _____
enough water is stored to provide water through wells
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