摘要
选择中国30个省级行政区为研究单元,基于土地利用和能源消耗等数据,采用碳排放系数法,对2003~2016年中国土地利用碳源/汇进行计算,探究中国省域土地利用碳排放和碳吸收时空演变,并以碳盈亏时空分析为基础,通过生态补偿系数和经济贡献系数分析碳排放的差异性,以净碳排放量作为基准值进行碳补偿价值的研究。结果表明:①研究期间碳排放总量和净碳排放量除在2015年出现小幅度下降现象,其余年度均呈现不断增加趋势;碳吸收总量呈现稳中有升的趋势。②土地利用碳吸收的主要载体是耕地和林地,碳汇资源空间差异明显,基本呈现西高东低的分布特征,多数省份在研究期内基本保持一致的碳吸收类型。③碳排放总量分布空间差异显著,且主要来自建设用地。④依据净碳排放量的区域差异,将其划分为高碳排放区、一般碳排放区、低碳排放区、碳汇区4种类型。⑤由于各省域碳补偿标准和净碳排放量的差异导致碳补偿价值区域差异明显。
This study selects 30 provincial districts in China as research units(not including data of Tibet,Hong Kong,Macao and Taiwan),using land use and energy consumption data,and using the carbon emission coefficient method to explore China's land use carbon sources/sinks from 2003 to 2016.In the analysis on the spatial and temporal evolution of carbon emissions and carbon absorption,the analysis and the carbon-depletion timespace change,ecological compensation coefficient and economic contribution coefficient of land use carbon emissions are used to analyze the fairness and difference of carbon emissions,with net carbon emissions as the benchmark.The value is studied for the value of carbon offset.The results show that:1)During the study period,the total and net carbon emissions showed an increasing trend,except for a small decrease in 2015.The total carbon absorption showed a steady trend of increasing.2)The main carriers of carbon absorption of land use are cultivated land and forest land.The spatial difference of carbon sink resources is obvious,showing the distribution characteristics of high in the west and low in the east.3)The total carbon emission distribution space difference is significant,and mainly from the construction land.4)According to the regional difference of net carbon emission,it is divided into 4 types:high carbon emission area,general carbon emission area,low carbon emission area,carbon sink area.5)Because of the difference of carbon offset standard and net carbon emission,the regional difference of carbon offset value is obvious.
作者
周嘉
王钰萱
刘学荣
时小翠
蔡春苗
Zhou Jia;Wang Yuxuan;Liu Xuerong;Shi Xiaocui;Cai Chunmiao(Harbin Normal University/Cold Region Geographic Environment Monitoring and Space Information Service Key Laboratory of Heilongjiang Province,Harbin 150025,Heilongjiang,China;School of Geography and Tourism,Harbin University/Key Laboratory of Heilongjiang Province of Research on Ecology and Environment About Wetland of Cold Region,Harbin 150086,Heilongjiang,China)
出处
《地理科学》
CSSCI
CSCD
北大核心
2019年第12期1955-1961,共7页
Scientia Geographica Sinica
基金
黑龙江省自然科学基金项目(D2018002)
黑龙江省哲学社会科学研究规划项目(17JYE403)
哈尔滨市应用技术研究与开发项目(2016RAXXJ037)资助~~
关键词
土地利用
碳排放
碳补偿
land use
carbon emission
carbon compensation
