Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release

A significant relation was established between the maximum extent of sea ice covering the Baltic Sea and the hypoxic area in the deeper parts of the Baltic Proper, with a lag of 2 years: for the period 1970-2000, less ice was correlated with a smaller anoxic area. At the same time, maximum ice exten...

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Published in:Estuarine, Coastal and Shelf Science
Main Authors: Vermaat, J.E., Bouwer, L.M.
Format: Article in Journal/Newspaper
Language:English
Published: 2009
Subjects:
Sea ice
Online Access:https://research.vu.nl/en/publications/bbd4e04c-c601-4914-be86-d6fed27f08ac
https://doi.org/10.1016/j.ecss.2009.02.027
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spelling ftvuamstcris:oai:research.vu.nl:publications/bbd4e04c-c601-4914-be86-d6fed27f08ac 2023-05-15T18:17:40+02:00 Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release Vermaat, J.E. Bouwer, L.M. 2009 https://research.vu.nl/en/publications/bbd4e04c-c601-4914-be86-d6fed27f08ac https://doi.org/10.1016/j.ecss.2009.02.027 eng eng info:eu-repo/semantics/closedAccess Vermaat , J E & Bouwer , L M 2009 , ' Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release ' , Estuarine, Coastal and Shelf Science , vol. 82 , no. 4 , pp. 689-691 . https://doi.org/10.1016/j.ecss.2009.02.027 article 2009 ftvuamstcris https://doi.org/10.1016/j.ecss.2009.02.027 2022-01-17T13:22:41Z A significant relation was established between the maximum extent of sea ice covering the Baltic Sea and the hypoxic area in the deeper parts of the Baltic Proper, with a lag of 2 years: for the period 1970-2000, less ice was correlated with a smaller anoxic area. At the same time, maximum ice extent is subject to a long-term climate-related decline, due to higher air temperatures and an increased frequency of westerly winds. Together, this suggests that the hypoxic area will decrease in the coming decades. Internal sedimentary phosphorus-loading is closely related to the hypoxic area and hence would decrease as well. Wind strength variability did not have a significant additive effect to the variance in hypoxic area already explained by sea ice extent. The observed lag is in agreement with the order of magnitude of estimated residence times in the shallower sub-basins feeding the Baltic Proper, where ice extent varies most. © 2009 Elsevier Ltd. All rights reserved. Article in Journal/Newspaper Sea ice Vrije Universiteit Amsterdam (VU): Research Portal Estuarine, Coastal and Shelf Science 82 4 689 691
institution Open Polar
collection Vrije Universiteit Amsterdam (VU): Research Portal
op_collection_id ftvuamstcris
language English
description A significant relation was established between the maximum extent of sea ice covering the Baltic Sea and the hypoxic area in the deeper parts of the Baltic Proper, with a lag of 2 years: for the period 1970-2000, less ice was correlated with a smaller anoxic area. At the same time, maximum ice extent is subject to a long-term climate-related decline, due to higher air temperatures and an increased frequency of westerly winds. Together, this suggests that the hypoxic area will decrease in the coming decades. Internal sedimentary phosphorus-loading is closely related to the hypoxic area and hence would decrease as well. Wind strength variability did not have a significant additive effect to the variance in hypoxic area already explained by sea ice extent. The observed lag is in agreement with the order of magnitude of estimated residence times in the shallower sub-basins feeding the Baltic Proper, where ice extent varies most. © 2009 Elsevier Ltd. All rights reserved.
format Article in Journal/Newspaper
author Vermaat, J.E.
Bouwer, L.M.
spellingShingle Vermaat, J.E.
Bouwer, L.M.
Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
author_facet Vermaat, J.E.
Bouwer, L.M.
author_sort Vermaat, J.E.
title Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
title_short Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
title_full Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
title_fullStr Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
title_full_unstemmed Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
title_sort less ice on the baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release
publishDate 2009
url https://research.vu.nl/en/publications/bbd4e04c-c601-4914-be86-d6fed27f08ac
https://doi.org/10.1016/j.ecss.2009.02.027
genre Sea ice
genre_facet Sea ice
op_source Vermaat , J E & Bouwer , L M 2009 , ' Less ice on the Baltic reduces the extent of hypoxic bottom waters and sedimentary phosphorus release ' , Estuarine, Coastal and Shelf Science , vol. 82 , no. 4 , pp. 689-691 . https://doi.org/10.1016/j.ecss.2009.02.027
op_rights info:eu-repo/semantics/closedAccess
op_doi https://doi.org/10.1016/j.ecss.2009.02.027
container_title Estuarine, Coastal and Shelf Science
container_volume 82
container_issue 4
container_start_page 689
op_container_end_page 691
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