Reach (geography)
A reach is a length of a stream or river, usually suggesting a level, uninterrupted stretch.[1] The beginning and ending points may be selected for geographic, historical or other reasons – and may be based on landmarks such as gauging stations, river miles, natural features, and topography.[2][3]
A reach may also be an expanse, or widening, of a stream or river channel. This commonly occurs after the river or stream is dammed. A reach is similar to an arm. The term "reach" can also refer to:
- An extended portion or stretch of land or water;
- a straight portion of a stream or river, as from one turn to another;
- a level stretch, as between locks in a canal;
- an arm of the sea extending up into the land.
As of 2015, the US Board on Geographic Names records 334 place names in the US with the characterization of a named "reach".[4]
See also
References
- ↑ Macfarlane, Robert, "Landmarks", Hamish Hamilton Press, 2015
- ↑ Hydrologic Definitions, Science in Your Watershed, USGS
- ↑ Glossary: stream-related terms, StreamNet
- ↑ USGS Survey GNIS Database
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