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Satellite images show rapid growth of glacial lakes worldwide
(The Guardian, 31 Aug 2020) Number of glacial lakes rose by 53% in 1990-2018 to reveal impact of increased meltwater
Glacial lakes have grown rapidly around the world in recent decades, according to satellite images that reveal the impact of increased meltwater draining off retreating glaciers.
Scientists analysed more than quarter of a million satellite images to assess how lakes formed by melting glaciers have been affected by global heating and other processes.
The images show the number of glacial lakes rose by 53% between 1990 and 2018, expanding the amount of the Earth the lakes cover by about 51%. According to the survey, 14,394 glacial lakes spread over nearly 9,000 square km of the planet’s surface.
Based on the figures, the researchers estimate the volume of the world’s glacial lakes grew by 48% over the same period and now hold 156.5 cubic km of water.
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