Astronaut Ivan Vagner captured from ISS Uvs Lake, Mongolia.

Credit: Ivan Vagner, Roscosmos

Uvs Lake is a highly saline lake in an endorheic basin — Uvs Nuur Basin, primarily in Mongolia with a smaller part in Russia. It is the largest lake in Mongolia by surface area, covering 3,350km2 at 759 m above sea level. This shallow and very saline body of water is a remainder of a huge saline sea which covered a much larger area several thousand years ago. The very large catchment area with no exit results in highly saline water, primarily due to sulphate and sodium ions. It has a salinity of 1.88%, making it half as salty as the oceans. The lake freezes over from October to May. 29 different species of fish are known from Uvs Lake.

The local scenery on the ground is as follows.

Credit: Wikipedia

Reference: Ivan Vagner’s Tweet
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