Streams need to breath, just as humans, to stay healthy. This allows oxygen to improve water quality and sustain fish life, and greenhouse gases out which affects global warming. Gas exchange is driven by turbulence and bubbles, which in turn generate the characteristic stream flow sound. Researchers from Umeå University have developed a new method that uses sound recordings to estimate how fast gases exchange between air and water. The study is published in Limnology and Oceanography: Methods.

Researchers are using cultural heritage to drive cities’ regeneration, sustainable development and economic growth.

Severe winters combined with heat waves and droughts during summer in Europe. Those were the consequences as the Atlantic Ocean heat transport nearly collapsed 12,000 years ago. The same situation might occur today, according to a new study published in Nature Communications.

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