Marine Heat Waves Boost Coastal CO₂ Uptake by 11%, Analysis Finds
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2 Articles
Marine heat waves boost coastal CO₂ uptake by 11%, analysis finds
Marine heat waves are a consequence of climate change and are increasingly altering marine and coastal regions worldwide. An international study led by the Helmholtz-Zentrum Hereon now shows that many coastal seas absorb more CO₂ from the atmosphere during these extreme events than under normal conditions. The effect is particularly pronounced in polar and subpolar shelf seas of the Northern Hemisphere, where sea ice is declining as temperatures rise.
Far-flung world in the far north: while heat can release less CO2, in polar and subpolar shelf seas, a heat wave can simultaneously open sea ice and amplify biological carbon binding. Therefore, a global evaluation shows more CO2 uptake of the shelf seas during affected heat wave months. However, the effect remains regional and is not a climate advantage of marine heat waves. Geesthacht [...] The article Marine heat waves amplify polar CO2 sinks…
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