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Watershed Vocabulary
Term | Definition |
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Tributary | A stream the flow into a larger stream |
Watershed | The land area that supplies water to a river system |
Eutrophication | The process by which nutrients in a lake build up over time, causing an increase in the growth of algae |
Wetland | An area of land that is covered with a shallow layer of water during some or all of the year |
Water quality | The degree of the purity of water, determined by measuring the substances in water, besides water molecules |
Water pollution | The addition of any substance that has a negative effect on water or the living things that depend on water |
Point source | A specific source of pollution that can be identified, such as a pipe |
Nonpoint source | A widely spread of pollution, such as road runoff, that is difficult to link to a specific point of origin |
Pesticide | A chemical inten to kill insects and other organisms that damage crops |
Estuary | A coastal inlet or bay where fresh water mixes with salty ocean water |
Sediment | Small solid particles of material from rocks or organisms which are moved by water or wind, resulting in erosion and desposition |
Conversation | The process of using a resource wisely so it will not be used up |
Recycling | The process of reclaiming and reusing raw materials |