Decoupling Relationship Between Land Use Intensity and Carbon Emissions in Henan Province During 2000-2020

Meng Qingxiang; Liu Qi; Li Baolu; Zheng Yanna; Cai Enxiang

doi:10.13961/j.cnki.stbctb.20230216.003

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Decoupling Relationship Between Land Use Intensity and Carbon Emissions in Henan Province During 2000-2020

- Decoupling Relationship Between Land Use Intensity and Carbon Emissions in Henan Province During 2000-2020
- Bulletin of Soiland Water Conservation Vol. 43, Issue 3, Pages: 421-429(2023)
- 作者机构：
  
  河南农业大学资源与环境学院,河南,郑州,450046
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20230216.003
  CLC： K903;F301.24
- Published：2023
- 稿件说明：
移动端阅览
Meng Qingxiang, Liu Qi, Li Baolu, et al. Decoupling Relationship Between Land Use Intensity and Carbon Emissions in Henan Province During 2000-2020[J]. Bulletin of Soiland Water Conservation, 2023, 43(3): 421-429.
DOI：

Meng Qingxiang, Liu Qi, Li Baolu, et al. Decoupling Relationship Between Land Use Intensity and Carbon Emissions in Henan Province During 2000-2020[J]. Bulletin of Soiland Water Conservation, 2023, 43(3): 421-429. DOI： 10.13961/j.cnki.stbctb.20230216.003.

摘要

[目的] 测度土地利用碳排放效应，探索土地利用与碳排放之间的脱钩关系，进而揭示土地利用变化的碳排放规律，为制定资源保护和生态文明政策提供科学依据。[方法] 以中国农业典型生产中心地区、中国人口大省——河南省为研究区域，基于近20 a间土地利用现状遥感监测数据，从县域尺度研究土地利用碳排放和土地利用强度的时空格局演变特征，并借助于脱钩分析的理论框架来检测它们之间的脱钩关系。[结果] ①在研究期间，碳排放呈现出明显的空间异质性。豫中地区、豫北地区碳排放水平明显高于其他区域；平原地区和大城市周边地区的碳排放明显高于山区和丘陵地区。②研究期间土地利用强度持续增加，豫中地区土地利用强度明显高于豫南地区，而豫北地区土地利用强度分布表现出明显的空间集聚现象。③研究期间土地利用强度和碳排放二者的主要关系类型为扩张负脱钩和强脱钩，需要从资源高消耗、高碳排放的双高模式不断向资源低消耗、低碳排放的低碳发展模式转变。[结论] 不同阶段、不同地区在土地利用强度与碳排放之间的脱钩关系程度方面有着明显差异，应采用差异性管控政策，促进生态环境保护和经济发展之间形成协调稳定的发展关系。

Abstract

[Objective] The land use carbon emissions were measured

the decoupling relationship between land use and carbon emissions were determined

and the carbon emission pattern of land use change was revealed in order to provide a scientific basis for the formulation of resource protection and ecological civilization policies.[Methods] The study was conducted in Henan Province

a typical agricultural production center in China having a large population. The evolution characteristics of spatial and temporal patterns of land use carbon emissions and land use intensity at the county scale were determined based on remote sensing monitoring data of the current land use situation during the past 20 years. The decoupling relationship between land use intensity and carbon emissions was determined with the help of a theoretical framework of decoupling analysis.[Results] ① Carbon emissions during the study period showed obvious spatial heterogeneity. Carbon emission levels in central and Northern Henan Province were significantly greater than in other regions. Carbon emissions in the plain areas and areas around large cities were significantly greater than in mountainous and hilly areas. ② Land use intensity continued to increase during the study period

and land use intensity in the central region of Henan Province was significantly greater than in the southern region. The distribution of land use intensity in the northern region of Henan Province showed obvious spatial clustering. ③ The relationship between land use intensity and carbon emissions during the study period was mainly characterized as either expansion negative decoupling and strong decoupling. It is necessary to continuously shift from the double-high model of high resource consumption and high carbon emissions to the low-carbon development model of low resource consumption and low carbon emissions.[Conclusion] There were obvious differences in the degree of decoupling between land use intensity and carbon emissions at different stages and in different regions. Therefore

different control policies should be adopted to promote a coordinated and stable development relationship between ecological environmental protection and economic development.

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