{"refrec":{"BRefID":405266,"RR":"<b>Henson, H.C.; Sejr, M.K.; Meire, L.; Sørensen, L.L.; Winding, M.H.S.; Holding, J.M.</b> (2024). Resolving heterogeneity in CO<sub>2</sub> uptake potential in the Greenland coastal ocean. <i>JGR: Biogeosciences 129(12)</i>: e2024JG008246. <a href=\"https://dx.doi.org/10.1029/2024jg008246\" target=\"_blank\">https://dx.doi.org/10.1029/2024jg008246</a>","BEntID":403061,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>JGR: Biogeosciences 129(12)</i>: e2024JG008246. <a href=\"https://dx.doi.org/10.1029/2024jg008246\" target=\"_blank\">https://dx.doi.org/10.1029/2024jg008246</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Henson, H.C.; Sejr, M.K.; Meire, L.; Sørensen, L.L.; Winding, M.H.S.; Holding, J.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Henson, H.C. <i>et al.</i>","Englishabstract":"<span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">The oceans play a pivotal role in mitigating climate change by sequestering approximately 25% of annually emitted carbon dioxide (CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">). High-latitude oceans, especially the Arctic continental shelves, emerge as crucial CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> sinks due to their cold, low saline, and highly productive ecosystems. However, these heterogeneous regions remain inadequately understood, hindering accurate assessments of their carbon dynamics. This study investigates variation in </span><i>p</i><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> levels during peak ice sheet melt, in the Greenland coastal ocean and estimates rates of air-sea exchange across 6° of latitude. The East and West coast of Greenland displayed distinct regions with unique controlling factors. Though, both coasts represent CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> sinks in summer. Geographical variation in </span><i>p</i><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> and air-sea exchange was linked intricately to freshwater export from the Greenland ice sheet and levels of primary production in these ecosystems. Air-sea exchange of CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> ranged from 0.23 to −64&nbsp;mmol&nbsp;m</span><sup>−2</sup><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">&nbsp;day</span><sup>−1</sup><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">. However, we found that flux estimation faces substantial uncertainties (up to 672%) due to wind product averaging and gas exchange formula selection. Upscaling only heightens this uncertainty leading to wide ranging estimates of Greenland coastal CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> uptake between −16 and −26&nbsp;Tg&nbsp;C&nbsp;year</span><sup>−1</sup><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> (This study, Dai et&nbsp;al., 2022, </span><a href=\"https://doi.org/10.1146/annurev-earth-032320-090746\">https://doi.org/10.1146/annurev-earth-032320-090746</a><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">; Laruelle et&nbsp;al., 2014, </span><a href=\"https://doi.org/10.1002/2014gb004832\">https://doi.org/10.1002/2014gb004832</a><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\">). Obtaining a reliable assessment of air-sea CO</span><sub>2</sub><span style=\"background-color:rgb(255,255,255);color:rgb(0,0,0);\"> exchange necessitates data collection across seasons, and, even more so, refinement of the gas transfer velocity estimations in the Arctic coastal zone.</span>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Resolving heterogeneity in CO<sub>2</sub> uptake potential in the Greenland coastal ocean","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-09 01:32:46.085375","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"air-sea exchange; coastal ocean; spatial heterogeneity; Arctic environment; gas transfer; uncertainty","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2025-01-13","DateCreate":"2025-01-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.1029/2024jg008246"},"refs":null,"anarec":{"AnaID":405266,"PubliDate":2024,"Pagination":"e2024JG008246","XtraPublOfAnaID":null,"ISBN":null,"Volume":"129","Issue":"12","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":272090,"SerRR":"Journal of Geophysical Research-Biogeosciences. 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