摘要
从市域尺度出发的基于土地利用变化的碳排放研究,对区域实现碳中和目标有着重要的指导性意义。本研究基于遥感解译技术、ArcGIS空间分析技术,利用土地利用动态度、土地利用转移矩阵、碳排放模型等研究方法,对吕梁市土地利用与碳排放变化进行研究。研究结果表明:2005—2020年,吕梁市耕地、林地、水域面积减少,建设用地、草地、未利用地增加,主要是由于城镇发展速度加快,建设用地占用大量林地、耕地引起的。同时,在这15年间,吕梁市建设用地的碳排放对碳排放总量贡献最大;林地碳吸收量则是碳汇的主要来源。
The research on carbon emissions based on land use change from the city scale is of great guid⁃ing significance to achieve the goal of carbon neutrality in the region.Based on the remote sensing inter⁃pretation technology and ArcGIS spatial analysis technology,this paper studies the change of land use and carbon emission in Lvliang City by using the research methods of land use dynamics,land use trans⁃fer matrix and carbon emission model.The results show that from 2005 to 2020,the cultivated land,for⁃est land and water area in Lvliang City decreased,while the construction land,grassland and unused land increased,which was mainly caused by the acceleration of urban development and the occupation of a large number of forest land and cultivated land by construction land.At the same time,in these fif⁃teen years,the carbon emissions of construction land in Lvliang City contributed the most to the total carbon emissions;Carbon absorption of forest land is the main source of carbon sink.
作者
白雨霞
BAI Yuxia(School of Land Engineering,Chang'an University,Xian 710054,China)
出处
《河南科技》
2022年第23期111-114,共4页
Henan Science and Technology
关键词
吕梁市
土地利用变化
碳排放
转移矩阵
Lvliang city
land use change
carbon emission
transition matrix
