Recovery from microplastic-induced marine deoxygenation may take centuries.

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Kvale, Karin F. and Oschlies, Andreas (2023) Recovery from microplastic-induced marine deoxygenation may take centuries. Open Access Nature Geoscience, 16 (1). pp. 10-12. DOI 10.1038/s41561-022-01096-w.

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Abstract

Climate change and plastics pollution are dual threats to marine environments. Here we use biogeochemical and microplastic modelling to show that even if there is complete removal of microplastics and cessation of deposition in the oceans in 2022, regional recovery from microplastic-induced remineralization and water column deoxygenation could take hundreds of years for coastal upwelling zones, the North Pacific and Southern Ocean. Surface stratification and reduced sea ice cover further impede regional recovery, highlighting the importance of aggressive mitigation of plastic pollution.

Document Type: Article
Keywords: Element cycles; Environmental impact; Marine biology; Marine chemistry; microplastics; ocean pollution; microplastic pollution
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-BM Biogeochemical Modeling
Main POF Topic: PT6: Marine Life
Refereed: Yes
Open Access Journal?: No
Publisher: Nature Research
Date Deposited: 03 Jan 2023 09:17
Last Modified: 07 Feb 2024 15:35
URI: https://oceanrep.geomar.de/id/eprint/57562

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