Dry lake

Salt harvesting in Salar de Uyuni, Bolivia, the world's largest salt flat

A dry lake is an ephemeral lakebed, or a remnant of an endorheic lake. Such flats consist of fine-grained sediments infused with alkali salts. Alternative names for the dry lake include alkali flat, alkali sink and playa.

A playa lake may cover a wide area, but it is never deep. Most water in it evaporates, leaving a layer of salt on the surface. These salt covered stretches are called saltpans.

单词	Alkali flats
释义	Alkali flats 英语百科 Dry lake A dry lake is an ephemeral lakebed, or a remnant of an endorheic lake. Such flats consist of fine-grained sediments infused with alkali salts. Alternative names for the dry lake include alkali flat, alkali sink and playa. A playa lake may cover a wide area, but it is never deep. Most water in it evaporates, leaving a layer of salt on the surface. These salt covered stretches are called saltpans.
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Alkali flats

Dry lake