(sôl'tӘn), saline lake, 370 sq mi (958 sq km), northern part of the Imperial Valley, SE Calif.; 232 ft (71 m) below sea level. Salton Sea was formed as the Colorado River delta grew across the Gulf of California, severing the river's northern part. The area was a salt-covered depression known as Salton Sink until 1905, when a flood on the Colorado broke through an irrigation gap in its levee; the river flowed into the sink for two years before being checked. The water level rose due to runoff from surrounding mountains and irrigation systems, but in recent years the sea's size has decreased, its salinity increased, and fertilizer and pesticide pollution grown, harming both fish and bird life as well as the once-thriving tourist trade. A state park and a national wildlife refuge are on its shores; the sea is an important stopping point on the Pacific flyway.
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\slt- ə n\ Saline lake, Riverside and Imperial cos., SE California; 360 sq. mi. (932 sq. km.); ab. 235 ft. (70 m.) below sea level;...
1. the lowest part of the Imperial Valley, in southern California, in the US, submerged by the Colorado River in 1906, forming the Salton Sea. 86
Subject: natural disasters Area: USA The Colorado River floods destroying the Imperial Canal and creating the 775 sq km/330 sq mi inland Salton Sea