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High\u2010latitude oceans, especially the Arctic continental shelves, emerge as crucial CO\n                    <jats:sub>2<\/jats:sub>\n                    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\n                    <jats:italic>p<\/jats:italic>\n                    CO\n                    <jats:sub>2<\/jats:sub>\n                    levels during peak ice sheet melt, in the Greenland coastal ocean and estimates rates of air\u2010sea exchange across 6\u00b0 of latitude. The East and West coast of Greenland displayed distinct regions with unique controlling factors. Though, both coasts represent CO\n                    <jats:sub>2<\/jats:sub>\n                    sinks in summer. Geographical variation in\n                    <jats:italic>p<\/jats:italic>\n                    CO\n                    <jats:sub>2<\/jats:sub>\n                    and air\u2010sea exchange was linked intricately to freshwater export from the Greenland ice sheet and levels of primary production in these ecosystems. Air\u2010sea exchange of CO\n                    <jats:sub>2<\/jats:sub>\n                    ranged from 0.23 to \u221264\u00a0mmol\u00a0m\n                    <jats:sup>\u22122<\/jats:sup>\n                    \u00a0day\n                    <jats:sup>\u22121<\/jats:sup>\n                    . 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\n                    <jats:sub>2<\/jats:sub>\n                    uptake between \u221216 and \u221226\u00a0Tg\u00a0C\u00a0year\n                    <jats:sup>\u22121<\/jats:sup>\n                    (This study, Dai et\u00a0al., 2022,\n                    <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"https:\/\/doi.org\/10.1146\/annurev-earth-032320-090746\">https:\/\/doi.org\/10.1146\/annurev\u2010earth\u2010032320\u2010090746<\/jats:ext-link>\n                    ; Laruelle et\u00a0al., 2014,\n                    <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"https:\/\/doi.org\/10.1002\/2014gb004832\">https:\/\/doi.org\/10.1002\/2014gb004832<\/jats:ext-link>\n                    ). Obtaining a reliable assessment of air\u2010sea CO\n                    <jats:sub>2<\/jats:sub>\n                    exchange necessitates data collection across seasons, and, even more so, refinement of the gas transfer velocity estimations in the Arctic coastal zone.\n                  <\/jats:p>","DOI":"10.1029\/2024jg008246","type":"journal-article","created":{"date-parts":[[2024,11,27]],"date-time":"2024-11-27T05:34:40Z","timestamp":1732685680000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Resolving Heterogeneity in CO\n                    <sub>2<\/sub>\n                    Uptake Potential in the Greenland Coastal Ocean"],"prefix":"10.1029","volume":"129","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1370-7887","authenticated-orcid":false,"given":"Henry C.","family":"Henson","sequence":"first","affiliation":[{"name":"Department of Ecoscience Aarhus University  Midtjylland Denmark"},{"name":"Arctic Research Centre Aarhus University  Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8370-5791","authenticated-orcid":false,"given":"Mikael","family":"Sejr","sequence":"additional","affiliation":[{"name":"Department of Ecoscience Aarhus University  Midtjylland Denmark"},{"name":"Arctic Research Centre Aarhus University  Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7516-071X","authenticated-orcid":false,"given":"Lorenz","family":"Meire","sequence":"additional","affiliation":[{"name":"Greenland Climate Research Centre Greenland Institute of Natural Resources  Nuuk Greenland"},{"name":"Department of Estuarine and Delta Systems Royal Netherlands Institute for Sea Research  Yerseke The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9823-589X","authenticated-orcid":false,"given":"Lise Lotte","family":"S\u00f8rensen","sequence":"additional","affiliation":[{"name":"Arctic Research Centre Aarhus University  Aarhus Denmark"},{"name":"Department of Environmental Science Aarhus University  Roskilde Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7206-0705","authenticated-orcid":false,"given":"Mie H. S.","family":"Winding","sequence":"additional","affiliation":[{"name":"Greenland Climate Research Centre Greenland Institute of Natural Resources  Nuuk Greenland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7364-0055","authenticated-orcid":false,"given":"Johnna M.","family":"Holding","sequence":"additional","affiliation":[{"name":"Department of Ecoscience Aarhus University  Midtjylland Denmark"},{"name":"Arctic Research Centre Aarhus University  Aarhus Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"13","published-online":{"date-parts":[[2024,11,27]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1525\/elementa.084"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1029\/2009GL040046"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.3354\/meps08368"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1029\/2009JC005917"},{"key":"e_1_2_9_6_1","article-title":"The arctic ocean marine carbon cycle: Evaluation of air\u2010Seasea CO2 exchanges","author":"Bates N. 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