当前位置： 首页»科研成果» 2013 Preliminary estimation of the organic carbon pool in China’s wetlands 戴永久、上官微

 

ZHENG YaoMin¹, NIU ZhenGuo¹, GONG Peng^1,2,3, DAI YongJiu⁴ & SHANGGUAN Wei⁴

 

¹ State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Institute of Remote Sensing Applications, Chinese Academy Sciences and Beijing Normal University, Beijing 100101, China;

² Ministry of Education Key Laboratory for Earth System Modeling, Center for Earth System Science, Institute for Global Change Studies, Tsinghua University, Beijing 100084, China;

³ Department of Environmental Science, Policy and Management, University of California, Berkeley, California 94720-3114, USA;

⁴ College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China

 

ABSTRACT

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.

 

KEY WORDS: Permafrost properties; CoLM; Qinghai–Xizang Plateau; Simulation

 

PUBLISHED IN: CHINESE SCIENCE BULLETIN, 2013 58 (6): 662-670.

 

DOWNLOAD PDF: http://link.springer.com/content/pdf/10.1007/s11434-012-5529-9.pdf