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Global Lake Deoxygenation Crisis
April 9 , 2025
9 days
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- The Short-term heat waves, along with long-term global warming, are reducing the levels of dissolved oxygen (DO) on the surface of lakes across the globe.
- The average deoxygenation rate in global lakes is faster than that observed in the oceans and in rivers.
- Decreasing solubility due to global warming accounted for 55 per cent of surface oxygen loss in global lakes.
- While eutrophication is responsible for 10 per cent of surface oxygen loss.
- Deoxygenation is projected to occur more rapidly in Europe and North America compared to Africa, Asia, Oceania and South America.
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