Research / Observations / Theme
Water
Rivers, lakes, reservoirs and deltas, and the marks they leave when they rise, fall, or move.
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Aral Sea, Kazakhstan and Uzbekistan, 2017 and 2025
Late-summer true-color views from 2017 and 2025 show the North Aral, the western and eastern basins, and the exposed seabed between them.
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Lake Poopó, Bolivia, August 2017 and August 2025
Late dry-season views of the basin in 2017 and 2025 show the extent of exposed salt and playa relative to open water, and the partial recovery of the lake over eight years.
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Okavango Delta, Botswana, April and September 2024
Views from April and September 2024 record the delta before and after the annual flood pulse from the Angolan highlands spread through its channels.
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