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dc.contributor.authorZhang, Runzh_CN
dc.contributor.authorChen, Mizh_CN
dc.contributor.authorGuo, Laodongzh_CN
dc.contributor.authorGao, Zhongyongzh_CN
dc.contributor.authorMa, Qiangzh_CN
dc.contributor.authorCao, Jianpingzh_CN
dc.contributor.authorQiu, Yushengzh_CN
dc.contributor.authorLi, Yanpingzh_CN
dc.contributor.author张润zh_CN
dc.contributor.author陈敏zh_CN
dc.contributor.author郭劳动zh_CN
dc.contributor.author曹建平zh_CN
dc.contributor.author邱雨生zh_CN
dc.date.accessioned2015-07-22T03:12:44Z
dc.date.available2015-07-22T03:12:44Z
dc.date.issued2012 December 15zh_CN
dc.identifier.citationDeep-Sea Research Part II: Topical Studies in Oceanography, 2012:72-78zh_CN
dc.identifier.other20124715687334zh_CN
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/88228
dc.description.abstractThe relation between the dissolved carbon dioxide (CO2) and the stable isotopic composition of particulate organic matter in the water column has not been well quantified, but this information could help provide a better understanding of carbon dynamics in a warmer Arctic Ocean. The stable carbon isotopic composition of suspended particulate organic carbon (未13CPOC) in the surface waters of the western Arctic Ocean was measured during July-September 2003, to evaluate the spatial variability of 未13CPOC and its key controlling factors. Values of 未13CPOC fell within the range of -28.5% to -21.1鈥? with an average of -24.5卤2.3鈥? The spatial variability of 未13CPOC showed a general decreasing trend from shallow waters in the continental shelf toward the deeper, colder waters in the basin. A negative correlation between 未13CPOC and the dissolved CO2 concentration in surface waters was observed, indicating that carbon isotopic fractionation during photosynthesis was largely dependent on the dissolved CO2 concentration. Compared to the solubility pump, biological processes may play a more important role in determining the distribution and variation of 未13CPOC in the western Arctic Ocean during summer. The coupled relationship between CO2 concentration and stable isotopic composition of particulate organic matter has the potential to be used for reconstruction of sea-surface CO2 changes in the past, provided a quantitative relationship of 未13C between POC and sediments can be established. 漏 2011 Elsevier Ltd.zh_CN
dc.language.isoen_USzh_CN
dc.publisherElsevier Ltdzh_CN
dc.source.urihttp://dx.doi.org/10.1016/j.dsr2.2011.05.005zh_CN
dc.subjectAtmospheric compositionzh_CN
dc.subjectBiological materialszh_CN
dc.subjectCarbonzh_CN
dc.subjectDissolutionzh_CN
dc.subjectDynamicszh_CN
dc.subjectIsotopeszh_CN
dc.subjectOceanographyzh_CN
dc.subjectSurface waterszh_CN
dc.titleVariations in the isotopic composition of particulate organic carbon and their relation with carbon dynamics in the western Arctic Oceanzh_CN
dc.typeArticlezh_CN


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