Preliminary estimation of the organic carbon pool in China's wetlands

查看全文 作　　者：ZHENG [1]YaoMin;NIU [1]ZhenGuo;GONG [1,2,3]Peng;DAI [4]YongJiu;SHANGGUAN [4]Wei

机构地区：[1]State Key Laboratory of Remote Sensing Science,Jointly Sponsored by Institute of Remote Sensing Applications,Chinese Academy Sciences and Beijing Normal University;[2]Ministry of Education Key Laboratory for Earth System Modeling,Center for Earth System Science,Institute for Global Change Studies,Tsinghua University;[3]Department of Environmental Science,Policy and Management,University of California;[4]College of Global Change and Earth System Science,Beijing Normal University

出　　处：《Chinese Science Bulletin》索引2013年第58卷第6期,共9页

基　　金：supported by the National Science and Technology Supporting Program (2012BAJ24B01);the National High Technology Research and Development Program of China (2009AA12200307);the Program of the State Key Laboratory of Remote Sensing Science (Y1Y00247KZ andY1Y00232KZ);the National Natural Science Foundation of China(41201445) 摘　　要：Accurate estimation of wetland carbon pools is a prerequisite for wetland resource conservation and implementation of carbon sink enhancement plans.The inventory approach is a realistic method for estimating the organic carbon pool in China's wetlands at the national scale.An updated data and inventory approach were used to estimate the amount of organic carbon stored in China's wetlands.Primary results are as follows:(1) the organic carbon pool of China's wetlands is between 5.39 and 7.25 Pg,accounting for 1.3%-3.5% of the global level;(2) the estimated values and percentages of the organic carbon contained in the soil,water and vegetation pools in China's wetlands are 5.04-6.19 Pg and 85.4%-93.5%,0.22-0.56 Pg and 4.1%-7.7%,0.13-0.50 Pg and 2.4%-6.9%,respectively.The soil organic carbon pool of China's wetlands is greater than our previous estimate of 3.67 Pg,but is lower than other previous estimates of 12.20 and 8-10 Pg.Based on the discussion and uncertainty analysis,some research areas worthy of future attention are presented. 关键词：土壤有机碳库湿地资源中国估算不确定性分析模估计交流计数湿地土壤

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Preliminary estimation of the organic carbon pool in China's wetlands

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