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Freshwater and Water Cycle
Terms in this set (20)
The line between the water-saturated soil and the soil that is not saturated with water (beneath the Earth's surface)
The percentage of the total volume of a rock or sediment that consists of open spaces.
zone of saturation
Area where the rock's pores are filled with water.
An area beneath the earth's surface which extends downward until all of the open spaces in sediment and rock are completely filled with water.
Ability of rock or soil to allow water to flow through it.
water that fills the cracks and spaces in underground soil and rock layers.
Water above the surface of the land, including lakes, rivers, streams, ponds, floodwater, and runoff.
pollution that comes from many sources rather than from a single, specific site.
point source pollution
Pollutants discharged from a single identifiable location (e.g., pipes, ditches, channels, sewers, tunnels, containers of various types).
A body of rock or sediment that stores groundwater and allows the flow of groundwater.
Water Cycle (Hydrologic Cycle)
The continuous movement of water on, above, and below the surface of the Earth.
Any form of water that falls from clouds and reaches Earth's surface.
The change of a substance from a liquid to a gas
The change of state from a gas to a liquid
The downward movement of water through soil and rock due to gravity.
Water flowing off the land into bodies of surface water.
an increase of water in amount over a period of time (body of water)
Evaporation of water from the leaves of a plant
Flow of water from the land surface into the subsurface.
The land area that supplies water to a river system.
a ridge of land that separates one watershed from another