{"refrec":{"BRefID":119699,"RR":"<b>Hoppema, M.; Anderson, L.G.</b> (2007). Biogeochemistry of polynyas and their role in sequestration of anthropogenic constituents, <b><i>in</i></b>: Smith Jr., W.O. <i>et al.</i> (Ed.) <i>Polynyas: windows to the world. Elsevier Oceanography Series,</i> 74: pp. 193-221","BEntID":113927,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: Smith Jr., W.O. <i>et al.</i> <i>Polynyas: windows to the world. Elsevier Oceanography Series,</i> 74: pp. 193-221","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hoppema, M.; Anderson, L.G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hoppema, M.; Anderson, L.G.","Englishabstract":"Polynyas are common occurrences all around the Arctic and Antarctic. Coastal polynyas are generally highly productive, which can lead to substantial CO<sub>2</sub> drawdown. Consequently, they are important sink regions for atmospheric CO<sub>2</sub>. Depending on the surface area, the timing, duration and other factors, large differences exist as to the importance of polynyas in a biogeochemical sense. In the Arctic, the North Water Polynya seems to be the most important one, while in the Antarctic the most important is the Ross Sea Polynya. Polynyas in the Arctic have been better investigated and therefore the important polynyas are described with some confidence as to accuracy and completeness. For the Antarctic, this only holds for the Ross Sea Polynya. For many other Antarctic polynyas, only incomplete information is available. This is true even for the large, well known Weddell Polynya of the 1970s, which represents one of the few open-ocean polynyas. Here its biogeochernical role is semiquantitatively assessed by combining the physical data from the 1970s with the known distributions of biogeochemical properties from recent years. It is deduced that the Weddell Polynya was a significant one-time sink for anthropogenic CO<sub>2</sub> and CFCs, with ensuing deep-sea sequestration. Notably, some coastal polynyas are instrumental in transferring anthropogenic CO<sub>2</sub> from the ice-free shelves to the abyssal oceans.","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Biogeochemistry of polynyas and their role in sequestration of anthropogenic constituents","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2008-02-13","DateCreate":"2008-02-13","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":119699,"PubliDate":2007,"Pagination":"193-221","XtraPublOfAnaID":null,"ISBN":"978-0-444-52952-7","Volume":"74","Issue":null,"BRefMon":119679,"BRefMonRR":"<b>Smith Jr., W.O.; Barber, D.G. (Ed.)</b> (2007). Polynyas: Windows to the world. <i>Elsevier Oceanography Series</i>, 74. Elsevier: Amsterdam/Boston/London/New York/Oxford/Paris/San Diego/San Francisco/Singapore/Sydney/Tokyo. ISBN 978-0-444-52952-7. XV, 458 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":11815,"SerRR":"Elsevier Oceanography Series. Elsevier: Oxford; New york; Amsterdam.  ISSN 0422-9894","StandardTitleSer":"Elsevier Oceanography Series","ISSN":"0422-9894","AbbrevSer":"Elsevier Oceanography Series","StandardTitleMon":"Polynyas: Windows to the world","StartPage":193,"Pages":29,"ToPubliDate":null,"BRefBibLvlCode":"MS","SerNotes":"Enkel nog digitaal bewaard. Update 13/11/2020: Alle MS volledig ingevoerd en non-open access niet-publieke PDF gelinkt. Enkel nog hoofdstukken toevoegen.","AutString":"Smith Jr., W.O.; Barber, D.G. 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