Swelling streams -- climate change causes more sediment in high-mountain rivers

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Swelling streams -- climate change causes more sediment in high-mountain rivers
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Many high-mountain rivers in Asia transport more sediment downstream compared to a few years ago. Changes in sediment levels have a particularly strong impact on agriculture, water quality, flood management, and hydropower generation.

A study demonstrates the interacting roles of glaciers, vegetation, precipitation, and slope in mobilizing sediment and controlling the current sediment transport in rivers. In order to counteract climate change, the authors call for a systematic approach for the entire catchment area of rivers in the high mountains.

In order to counteract climate change, the authors call for a systematic approach for the entire catchment area of rivers in the high mountains. The team investigated 151 rivers around the Tibetan plateau and demonstrated that glaciers exert a first-order control on fluvial sediment yield, especially with high precipitation and in high glacier-cover basins.

Nature-based management is making rivers more resilient. New research shows progress in Australia towards United Nations goals, making rivers more able to recover from flood, drought and other ...

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