近30年鹤壁市土地利用/覆被变化及碳效应分析
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摘要
文章基于多时相的遥感影像数据,利用RS和GIS技术分析了近30年鹤壁市土地利用/覆被变化情况及其导致的碳效应变化。结果表明:1986—2016年,鹤壁市土地利用变化十分显著,林地面积下降45.65%;而建设用地面积增加到原来的7.68倍。从用地类型转变的方向性来看,近30年内鹤壁市土地转移过程中既有生态正向演变,也存在生态逆向演变过程;各类用地之间的转换呈现多向性的复杂特征;从转变数量特征来看,在各个阶段中,林地都是最大的转出者,而建设用地是最大的接收者;经计算得出,鹤壁市近30年来土地利用/覆被变化造成的碳排放增量超过碳吸收增量高达7 367 497.58 t,土地利用格局变化直接影响区域碳循环过程。
Based on multi-temporal remotely sensed image data, this paper used RS and GIS technology to analyze the land use/cover change and the resulting carbon effect changes in Hebi City in the past 30 years. The results showed that the land use change in Hebi City was very significant from 1986 to 2016, and the forest land area decreased by 45.65%; while the construction land area increased to 7.68 times. From the perspective of the direction of land-use type change, in the past 30 years, both the ecological positive evolution and the ecological reverse evolution process have occurred in the process of land transfer in Hebi City; the conversion between various types of land use presents a multi-dimensional and complex feature; In terms of quantitative characteristics, in all stages, forest land is the largest transferee, and construction land is the largest receiver; after calculation, the carbon emission increase caused by land use/cover change in Hebi City in the past 30 years has been calculated. The increase in carbon uptake was as high as 7.367 million tons. Changes in land use patterns directly affected the regional carbon cycle process.
Based on multi-temporal remotely sensed image data, this paper used RS and GIS technology to analyze the land use/cover change and the resulting carbon effect changes in Hebi City in the past 30 years. The results showed that the land use change in Hebi City was very significant from 1986 to 2016, and the forest land area decreased by 45.65%; while the construction land area increased to 7.68 times. From the perspective of the direction of land-use type change, in the past 30 years, both the ecological positive evolution and the ecological reverse evolution process have occurred in the process of land transfer in Hebi City; the conversion between various types of land use presents a multi-dimensional and complex feature; In terms of quantitative characteristics, in all stages, forest land is the largest transferee, and construction land is the largest receiver; after calculation, the carbon emission increase caused by land use/cover change in Hebi City in the past 30 years has been calculated. The increase in carbon uptake was as high as 7.367 million tons. Changes in land use patterns directly affected the regional carbon cycle process.
引文
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[13]赖力.中国土地利用的碳排放效应研究[D].南京:南京大学,2010.
[14]石洪昕,穆兴民,张应龙,等.四川省广元市不同土地利用类型的碳排放效应研究[J].水土保持通报,2012(3):101-106.
[15]裴杰,王力,柴子为,等.基于RS和GIS的深圳市土地利用/覆被变化及碳效应分析[J].水土保持研究,2017(3):227-233.
[16]方精云,郭兆迪,朴世龙,等.1981-2000年中国陆地植被碳汇的估算[J].中国科学(D辑),2007(6):804-812.
[2]许恒周,郭玉燕,陈宗祥.土地市场发育、城市土地集约利用与碳排放的关系--基于中国省际面板数据的实证分析[J].中国土地科学,2013(9):26-29.
[3]Houghton R A.Changes in terrestrial carbon over the last 135years[M]//The global carbon cycle.Berlin:Springer-Verlag,1993:139-157.
[4]Koerner B,Klopatek J.Athropogenic and natural CO2 emission sources in an arid urban environment[J].Environmental Pollution,2002,116(S1):45-51.
[5]Ali G,Nitvattananon V.Exercising multidisciplinary approach to assess interrelationship between energy use,carbon emission and land use change in a metropolitan city of Pakistan[J].Renewable and Sustainable Energy Reviews,2012,16(1):775-786.
[6]赵荣钦,秦明周.中国沿海地区农田生态系统部分碳源/汇时空差异[J].生态与农村环境学报,2007(2):1-6.
[7]方精云,陈安平.中国森林植被碳库的动态变化及其意义[J].植物学报,2001(9):967-973.
[8]刘云刚,殷冠文.地方政府主导的土建城市化--以鹤壁市为例[J].地理科学进展,2010(7):887-896.
[9]王秀兰,包玉海.土地利用动态变化研究方法探讨[J].地理科学进展,2011(1):81-87.
[10]罗娅,杨胜天,刘晓燕,等.黄河河口镇-潼关区间1998-2010年土地利用变化特征[J].地理学报,2014(1):42-53.
[11]刘纪远.中国资源环境遥感宏观调查与动态研究[M].北京:中国科学技术出版社,1996.
[12]曾永年,陈晓玲,靳文凭.近10a青海高原东部土地利用/覆被变化及碳效应[J].农业工程学报,2014(16):275-282.
[13]赖力.中国土地利用的碳排放效应研究[D].南京:南京大学,2010.
[14]石洪昕,穆兴民,张应龙,等.四川省广元市不同土地利用类型的碳排放效应研究[J].水土保持通报,2012(3):101-106.
[15]裴杰,王力,柴子为,等.基于RS和GIS的深圳市土地利用/覆被变化及碳效应分析[J].水土保持研究,2017(3):227-233.
[16]方精云,郭兆迪,朴世龙,等.1981-2000年中国陆地植被碳汇的估算[J].中国科学(D辑),2007(6):804-812.
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