Ecological Vocabulary Crossword

An area of land where the surface water and the ground water drain into a particular body of water
Below the water table where all spaces not filled with solid material fill with water
A single identifiable and localized source of water pollution, such as waste water discharge into a stream
Allows water to flow thru the material, the opposite of impermeable
The top of the saturation zone, blow which water fills all open spaces
Water that collects in cracks and pores in underground soil and rock layers
A geographic barrier; such as a ridge, hill, or mountain separating one watershed land area from another
The upper portion of soil and rock that can be temporarily filled with water as the water enters the ground, but then moves deeper
Sunken land surface due to underlying compression of earth material, the opposite of impermeable
A layer of permeable rock that retains and filters water