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14 Cards in this Set
- Front
- Back
runoff |
water that does not sink in, but instead runs across the Earth’s surface until it flows into a stream |
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meandering stream |
streams that have channels with many curves |
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point bar |
a pile of sand and gravel that is deposited on the inside of a meander |
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braided stream |
streams with many bars and islands separated by river channels |
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drainage basin |
specific area that is drained by a stream |
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load |
Earth material that is carried by a stream, either suspended in the water, dissolved in the water, or rolling, bouncing, or sliding along the stream bed |
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stream discharge |
the volume of water flowing through a stream in a given amount of time |
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flood plain |
flat, level area of a stream valley covered by water during a flood |
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nutrients |
compounds, such as nitrates, that are released into lake water and used by plants, algae, and some plankton for growth |
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eutrophication |
natural process that ultimately turns a lake into dry land over time through an increase in sediment, nutrients, and organisms |
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turnover |
the mixing of surface water with bottom water, circulating oxygen and nutrients throughout a lake |
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wetlands |
areas of land that are covered with water during some part of the year and recognizable by the types of soils and plants that grow there |
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nonpoint source pollution |
pollution-that enters water from a large area and cannot be traced to a single location |
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point source pollution |
pollution that enters water from a specific location and can be controlled or treated before it enters a body of water |