saline lake

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saline lake

Also known as: salt lake, saltwater lake

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July 13, 2026

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Saline lakes are bodies of water with a salinity exceeding 3 grams per liter. These lakes are found on every continent and include notable examples like the Caspian Sea and the Dead Sea. They are most common in arid and semi-arid regions where evaporation rates are high and drainage basins are endorheic (lacking an outlet to the sea).1

Salinity significantly impacts a lake's properties, affecting its freezing point, density, and the amount of dissolved oxygen. While freshwater systems typically have less than 1,000 ppm of salt, ocean water averages around 35,000 ppm. Human activities, such as diverting water for irrigation, can drastically alter saline lakes, leading to increased salinity, ecological damage, and severe impacts on local populations, as seen with the Aral Sea.12

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inland water ecosystem
Saline lakes
Saline lakes (i.e., bodies of water that have salinities in excess of 3 grams per litre) are widespread and occur on all continents, including Antarctica. Saline lakes include the largest lake in the world, the Caspian Sea; the lowest lake, the Dead Sea;…
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Saline lakes (i.e., bodies of water that have salinities in excess of 3 grams per litre) are widespread and occur on all continents, including Antarctica. Saline lakes include the largest lake in the world, the Caspian Sea; the lowest lake, the Dead Sea;…
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Aral Sea
saltwater lake of Central Asia. It straddles the boundary between Kazakhstan to the north and Uzbekistan to the south.
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saltwater lake of Central Asia. It straddles the boundary between Kazakhstan to the north and Uzbekistan to the south.
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Grevelingen Lake
saltwater lake, southwestern Netherlands, located between the joined islands of Schouwen and Duiveland to the south and Goeree and Overflakkee to the north. As part of the Delta Project for land reclamation and tidal flood protection, this former (14 miles [22 km ] tidal estuary…
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saltwater lake, southwestern Netherlands, located between the joined islands of Schouwen and Duiveland to the south and Goeree and Overflakkee to the north. As part of the Delta Project for land reclamation and tidal flood protection, this former (14 miles [22 km ] tidal estuary…
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India
Lakes and inland drainage
…where there are several ephemeral salt lakes—most prominently Sambhar Salt Lake, the largest lake in India. Those lakes are fed by short intermittent streams, which experience flash floods during occasional intense rains and become dry and lose their identity once the rains are over. The water in the lakes also…
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…where there are several ephemeral salt lakes—most prominently Sambhar Salt Lake, the largest lake in India. Those lakes are fed by short intermittent streams, which experience flash floods during occasional intense rains and become dry and lose their identity once the rains are over. The water in the lakes also…
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Tozeur
…by numerous chott (or shaṭṭ, salty lake) depressions and palm groves. The town is situated on the isthmus that separates the Chotts of El-Jarid (Al-Jarīd) and Al-Rharsah (Al-Gharsah), and it is referred to as the gate of the desert.
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…by numerous chott (or shaṭṭ, salty lake) depressions and palm groves. The town is situated on the isthmus that separates the Chotts of El-Jarid (Al-Jarīd) and Al-Rharsah (Al-Gharsah), and it is referred to as the gate of the desert.
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