{"refrec":{"BRefID":247065,"RR":"<b>Crabeck, O; Delille, B.; Thomas, D; Geilfus, N.-X.; Rysgaard, S; Tison, J.-L.</b> (2014). CO<sub>2</sub> and CH<sub>4</sub> in sea ice from a subarctic fjord under influence of riverine input. <i>Biogeosciences 11(23)</i>: 6525-6538. <a href=\"http://dx.doi.org/10.5194/bg-11-6525-2014\" target=\"_blank\">dx.doi.org/10.5194/bg-11-6525-2014</a>","BEntID":238765,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Biogeosciences 11(23)</i>: 6525-6538. <a href=\"https://dx.doi.org/10.5194/bg-11-6525-2014\" target=\"_blank\">https://dx.doi.org/10.5194/bg-11-6525-2014</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Crabeck, O; Delille, B.; Thomas, D; Geilfus, N.-X.; Rysgaard, S; Tison, J.-L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Crabeck, O <i>et al.</i>","Englishabstract":"We present the CH<sub>4</sub> concentration [CH<sub>4</sub>], the partial pressure of CO<sub>2</sub> (<i>p</i>CO<sub>2</sub>) and the total gas content in bulk sea ice from subarctic, land-fast sea ice in the Kapisillit fjord, Greenland. Fjord systems are characterized by freshwater runoff and riverine input and based on d<sup>18</sup>O data, we show that &gt; 30% of the surface water originated from periodic river input during ice growth. This resulted in fresher sea-ice layers with higher gas content than is typical from marine sea ice. The bulk ice [CH<sub>4</sub>] ranged from 1.8 to 12.1 nmol L<sup>-1</sup>, which corresponds to a partial pressure ranging from 3 to 28 ppmv. This is markedly higher than the average atmospheric methane content of 1.9 ppmv. Evidently most of the trapped methane within the ice was contained inside bubbles, and only a minor portion was dissolved in the brines. The bulk ice <i>p</i>CO<sub>2</sub> ranged from 60 to 330 ppmv indicating that sea ice at temperatures above -4 °C is undersaturated compared to the atmosphere (390 ppmv). This study adds to the few existing studies of CH<sub>4</sub> and CO<sub>2</sub> in sea ice, and we conclude that subarctic seawater can be a sink for atmospheric CO<sub>2</sub>, while being a net source of CH<sub>4</sub>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"CO<sub>2</sub> and CH<sub>4</sub> in sea ice from a subarctic fjord under influence of riverine input","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":2014,"MonPub":null,"DateUpdate":"2015-06-01","DateCreate":"2015-05-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000346357100002","VABBcode":null,"OpenAcc":1,"DOI":"10.5194/bg-11-6525-2014"},"refs":null,"anarec":{"AnaID":247065,"PubliDate":2014,"Pagination":"6525-6538","XtraPublOfAnaID":null,"ISBN":null,"Volume":"11","Issue":"23","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":68092,"SerRR":"<b>Gattuso, J.P.; Kesselmeier, J. (Ed.)</b> Biogeosciences. Copernicus Publications: Göttingen.  ISSN 1726-4170; e-ISSN 1726-4189","StandardTitleSer":"Biogeosciences","ISSN":"1726-4170","AbbrevSer":"Biogeosciences","StandardTitleMon":null,"StartPage":6525,"Pages":14,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":null,"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"Crabeck","Firstname":null,"Initials":"O","Affiliation":"Univ Manitoba, Dept Geol Sci, Ctr Earth Observat Sci, Winnipeg, MB R3T 2N2, Canada.","Discriminator":null,"CorporateFlag":0,"BEntID":238765,"AutID":196548,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":"0000-0003-1882-9303","PersID":40006,"InsID":null},{"AutName":"Delille","Firstname":"Bruno","Initials":"B.","Affiliation":"Unité d’Océanographie Chimique, Université de Liège","Discriminator":null,"CorporateFlag":0,"BEntID":238765,"AutID":135102,"OrderNr":2,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":"Université de Liège; 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