The investigation on particulate organic carbon fluxes with disequilibria between thorium-234 and uranium-238 in the Prydz Bay, the Southern Ocean-中国期刊网

摘要 Dissolvedandparticulatethorium-234,particulateorganiccarbonintheupper150mofwatercolumnsfromfivestationsinthePrydzBay,theSouthernOceanweredeterminedduringthe22ndChineseNationalAntarcticResearchExpedition(fromNovember2005toMarch2006).Thedisequilibriabetweenthorium-234anditsparenturanium-238inupperlayerwasusedtoderivetheaveragedresidencetimeofthorium-234,whichdecreasedalongwiththelatitudetothesouthandaminimumvalue,1~8dforparticulatethorium-234and29~48dfordissolvedthorium-234,appearedatthemediumlatitudestation,andtheexportfluxesofthorium-234werecalculatedtooandamaximumvalue,0.35~0.63Bq/(m3·d)fortheparticulatethorium-234and0.44~0.65Bq/(m3·d)forthedissolvedthorium-234,appearedatthesamestation.Theexportfluxesofparticulateorganiccarbonatdifferentwatercolumnswerederivedbytwomethodswithirreversiblescavengingmodel,andtheaveragedvalueswere104.7mmol/(m2·d)(Emethod)and120.6mmol/(m2·d)(Bmethod),respectively,indicatingthatarelativelyhighnewproductionwouldexistinsummerinthePrydzBaywhereitwillplayapotentialsignificantroleinsequesteringtheabsorptionCO2todeeperocean.

1GAO Zhongyong;CHEN Liqi;GAO Yuan. Air-sea carbon fluxes and their controlling factors in the Prydz Bay in the Antarctic.海洋科学,2008-03.
2解思梅;梅山;刘克威;魏立新. Cyclone formation and development in the Antarctic Prydz Bay.海洋科学,2002-01.
3宋金明;马红波;吕晓霞. Nitrogen forms and decomposition of organic carbon in the southern Bohai Sea core sediments.海洋科学,2002-01.
4LIU Sai;HUANG Jiansheng;YANG Qian;YANG Shu;YANG Guipeng;SUN Yaoa. Burial fluxes and source apportionment of carbon in culture areas of Sanggou Bay over the past 200 years.海洋科学,2015-10.
5LIXuegang;LINing;GAOXuelu;SONGJinming. Dissolved inorganic carbon and CO2 fluxes across Jiaozhou Bay air-water interface.海洋科学,2004-02.
6FU Yingchun;TANG Congguo;LI Jun;ZHAO Yaolong;ZHONG Wei;ZENG Xiantie. Sources and transport of organic carbon from the Dongjiang River to the Humen outlet of the Pearl River, southern China.自然地理学,2014-01.
7YANG Shu;YANG Qian;LIU Sai;CAI Deling;QU Keming;SUN Yao. Burial fluxes and sources of organic carbon in sediments of the central Yellow Sea mud area over the past 200 years.海洋科学,2015-10.
8迟杰;刘华;季民. Interaction Between DEHP and Particulate in a Eutrophic Lake.高等教育学,2004-03.
9ZHANG Weiyan;JIN Haiyan;YAO Xuying;JI Zhongqiang;ZHANG Xiaoyu;YU Xiaoguo;ZHANG Fuyuan;GAO Aigen. Grain size composition and transport of sedimentary organic carbon in the Changjiang River （Yangtze River） Estuary and Hangzhou Bay and their adjacent waters.海洋科学,2015-10.
10Chongshan LIANG;Weilin HUANG;Zhi DANG;Congqiang LIU. Equilibrium sorption of phenanthrene and naphthalene on soil particulate organic matter.地球化学,2006-08.

The investigation on particulate organic carbon fluxes with disequilibria between thorium-234 and uranium-238 in the Prydz Bay, the Southern Ocean

来源期刊

相关推荐

同分类资源更多

相关关键词

The investigation on particulate organic carbon fluxes with disequilibria between thorium-234 and uranium-238 in the Prydz Bay, the Southern Ocean

来源期刊

相关推荐

同分类资源 更多

相关关键词

同分类资源更多