{"refrec":{"BRefID":407894,"RR":"<b>Dalman, L.A.; Meiners, K.M.; Thomas, D.N.; Deman, F.; Bestley, S.; Moreau, S.; Arrigo, K.R.; Campbell, K.; Corkill, M.; Cozzi, S.; Delille, B.; Fransson, A.; Fraser, A.D.; Henley, S.F.; Janssens, J.; Lannuzel, D.; Munro, D.R.; Nomura, D.; Norman, L.; Papadimitriou, S.; Schallenberg, C.; Tison, J.-L.; Vancoppenolle, M.; van der Merwe, P.; Fripiat, F.</b> (2025). Observation‐based estimate of net community production in Antarctic sea ice. <i>Geophys. Res. Lett. 52(7)</i>: e2024GL113717. <a href=\"https://dx.doi.org/10.1029/2024gl113717\" target=\"_blank\">https://dx.doi.org/10.1029/2024gl113717</a>","BEntID":405695,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Geophys. Res. Lett. 52(7)</i>: e2024GL113717. <a href=\"https://dx.doi.org/10.1029/2024gl113717\" target=\"_blank\">https://dx.doi.org/10.1029/2024gl113717</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dalman, L.A.; Meiners, K.M.; Thomas, D.N.; Deman, F.; Bestley, S.; Moreau, S.; Arrigo, K.R.; Campbell, K.; Corkill, M.; Cozzi, S.; Delille, B.; Fransson, A.; Fraser, A.D.; Henley, S.F.; Janssens, J.; Lannuzel, D.; Munro, D.R.; Nomura, D.; Norman, L.; Papadimitriou, S.; Schallenberg, C.; Tison, J.-L.; Vancoppenolle, M.; van der Merwe, P.; Fripiat, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dalman, L.A. <i>et al.</i>","Englishabstract":"Antarctic sea ice is one of the largest biomes on Earth providing a critical habitat for ice algae. Measurements of primary production in Antarctic sea ice remain scarce and an observation-based estimate of primary production has not been revisited in over 30&nbsp;years. We fill this knowledge gap by presenting a newly compiled circumpolar data set of particulate and dissolved organic carbon from 362 ice cores, sampled between 1989 and 2019, to estimate sea-ice net community production using a carbon biomass accumulation approach. Our estimate of 26.8–32.9&nbsp;Tg&nbsp;C&nbsp;yr<sup>−1</sup> accounts for at least 15%–18% of the total primary production in the Antarctic sea-ice zone, less than a previous observation-based estimate (63–70&nbsp;Tg&nbsp;C&nbsp;yr<sup>−1</sup>) and consistent with recent modeled estimates. 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