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Carbon contribution of sea ice floes in the Arctic Ocean

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Title
Carbon contribution of sea ice floes in the Arctic Ocean
Authors
Lee, Sang Heon
Kang, Sung-Ho
Kang, Chang-Keun
Lee, Doo Byoul
Joo, Hyong-Min
Lee, Jang Han
박정우
Joo, HuiTae
Kim, Bo Kyung
Keywords
Arctic seaice floes; Melt ponds; Particulateorganiccarbon(POC)
Issue Date
2015
Citation
Lee, Sang Heon, et al. 2015. "Carbon contribution of sea ice floes in the Arctic Ocean". DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 120(1): 35-42.
Abstract
Toestimatedetailedcontributionsofparticulateorganiccarbon(POC)asapotentialfoodsourcein variousenvironmentsoftheArcticseaice floes, intensiveinvestigationswereexecutedattwodifferent types ofseaicestations(ST1andST2)inthenorthernChukchiSeaduringthesummerperiodin2011. The averageuptakeratesofcarbonandnitrogeninmeltpondsfromthisstudywerewithintherange measured previously.ThesurfaceiceofmeltpondsatST1hadthehighestPOCconcentrationwith a meanof148.0mgCm 3 (S.D.¼786.0 mgCm 3), followedbyseaicecoresatST2(mean7S.D.¼ 125.77128.2mgCm 3). ThePOCconcentrationsinmeltpondsrangedbetween90.0mgCm 3 (S.D.¼712.7mgCm 3) and103.9mgCm 3 (S.D.¼747.7mgCm 3) atST1andST2,respectively. MajorPOCcontributorstomeltpondswerediatomswithameanbiovolumecontributionof48.7% (S.D.¼739.1%)whichwasstronglyrelatedto in situ salinity.AlthoughthetotalPOCconcentrationof entire seaice floes rangedfrom2.8%to5.3%ofthePOCconcentrationwithintheeuphoticwatercolumn at thestudylocations,thecarboncontributionofseaice floes couldbeimportanttohighertrophiclevels because oftheconcentratedPOCwithinseaice floes.
URI
http://repository.kopri.re.kr/handle/201206/7385
DOI
http://dx.doi.org/10.1016/j.dsr2.2013.12.021
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