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Ephemeral Lakes

All articles tagged with #ephemeral lakes

Emerald Outback: Four Lakes Merge Into One After Unprecedented Australian Rain
space1 month ago

Emerald Outback: Four Lakes Merge Into One After Unprecedented Australian Rain

A 2024 Landsat/NASA image captures four ephemeral lakes in Australia’s Barkly Tableland (Tarrabool Lake and Lakes Sylvester, Corella, and Deburgh) merging into a single emerald pool after two years of near-record rainfall that kept the basins filled. The merged water’s green hue comes from dense vegetation and algae, with paler sediment where overflow stirred up dust. The two rainy seasons (2022–23 and 2023–24) were among the wettest since 1990, a trend NASA links to climate change, and these lakes serve as important bird habitats when full.

Australia's 'Phantom Lake' Shimmers with Golden Islands from Space
science1 year ago

Australia's 'Phantom Lake' Shimmers with Golden Islands from Space

Lake Mackay, an ephemeral salt lake in the Australian outback, is known for its striking stripy golden islands that emerge when the lake fills with water. Captured by NASA's Terra satellite, these islands are surrounded by blue-green waters and are formed by permanent dunes shaped by wind erosion. The lake, which can persist for up to six months after heavy rains, serves as a temporary refuge for over 90 species of wildlife. It also inspired the name for a similar lake on Saturn's moon Titan.