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[1]LIU Ying,ZHAO Rong-qin,JIAO Shi-xing.Research on Carbon Sources/Sinks of Land Use of He’nan Province[J].Research of Soil and Water Conservation,2010,17(05):154-157,162.

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Research on Carbon Sources/Sinks of Land Use of He’nan Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 05 Page number: 154-157,162 Column: Public date: 2010-10-20

Title:: Research on Carbon Sources/Sinks of Land Use of He’nan Province

Author(s):: LIU Ying¹, ZHAO Rong-qin², JIAO Shi-xing³; 1. College of Civil Construction Engineering, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015, China;
2. College of Resources and Environment, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China;
3. Department of Resources & Environment and Tourism, Anyang Normal University, Anyang, He’nan 455000, China

Keywords:: carbon sources; carbon sinks; land use; He’nan province

CLC:: F301.24

DOI:: -

Abstract:: Land use change and its impact on carbon sources and sinks are important factors that affect the carbon cycle process. This paper firstly established the theoretical framework and estimation model of carbon sources and sinks of land use, then analyzed the carbon sources/sinks of different land use types of He’nan province by using energy consumption and land use data of He’nan province from 1999 to 2008. The conclusions are as following: (1) Carbon emission from land use of He’nan province increased rapidly since 1999, in which construction land and cropland were the main carbon sources. Because urban areas expanded rapidly, the carbon emission from construction land increased rapidly. (2) Carbon sink by land use of He’nan province slowly increased since 1999, in which, cropland was the main carbon sinks. (3) The carbon emission intensity of construction land was the highest [56.46 t/(hm²·a)], while the carbon sink intensity of cropland was the highest [9.17 t/(hm²·a)] among others. (4) Per unit area carbon emission intensity increased rapidly since 1999, meanwhile, per GDP carbon emission intensity declined.

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