Spatio-temporal Characteristics and Effects of Terrestrial Carbon Emissions Based on Land Use Change in Anhui Province

LI Yanmin; SHEN Yusheng; WANG Shihang

doi:10.13870/j.cnki.stbcxb.2022.01.024

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Spatio-temporal Characteristics and Effects of Terrestrial Carbon Emissions Based on Land Use Change in Anhui Province

更新时间：2025-03-12

- Spatio-temporal Characteristics and Effects of Terrestrial Carbon Emissions Based on Land Use Change in Anhui Province
- Vol. 36, Issue 1, Pages: 182-188(2022)
- 作者机构：
  
  1. 安徽理工大学空间信息与测绘工程学院,安徽,淮南,232001
  2. 安徽理工大学矿山采动灾害空天地协同监测与预警安徽普通高校重点实验室,安徽,淮南,232001
  3. 安徽理工大学矿区环境与灾害协同监测煤炭行业工程研究中心,安徽,淮南,232001
  4. 中国科学院城市环境研究所, 中科院城市环境与健康重点实验室,福建,厦门,361021
  5. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2022.01.024
  CLC： X32;X171
- Published：2022
- 稿件说明：
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LI Yanmin, SHEN Yusheng, WANG Shihang. Spatio-temporal Characteristics and Effects of Terrestrial Carbon Emissions Based on Land Use Change in Anhui Province[J]. 2022, 36(1): 182-188.
DOI：

LI Yanmin, SHEN Yusheng, WANG Shihang. Spatio-temporal Characteristics and Effects of Terrestrial Carbon Emissions Based on Land Use Change in Anhui Province[J]. 2022, 36(1): 182-188. DOI： 10.13870/j.cnki.stbcxb.2022.01.024.

摘要

土地利用变化是区域碳排放变化的主要驱动力

揭示土地利用变化对碳排放影响对于碳排放政策的制定具有指导意义。然而

经济快速发展区域中土地利用变化对碳排放影响研究仍有限。以安徽省为对象

基于2000—2020年的土地利用变化数据

从碳源/汇角度评估了安徽省净碳排放

分析了碳排放时空特点

从碳足迹、生态承载力和生态赤字3个方面阐明了安徽省碳排放效应。结果表明: (1)从2000—2020年

安徽省土地利用净碳排放表现为增加趋势

年均增加503.92万t

林地是碳排放的主要碳汇

但其碳汇总量年际变化不大

建设用地是碳排放增加的主要碳源

其年均增加511.37万t; (2)2000—2020年

碳源变化主要分布在安徽省中北部平原地区

碳汇变化主要分布于西南高山和丘陵地区

且安徽中北部地区是碳排放强度随时间变化的最大热点区; (3)由碳源/碳汇变化引起的碳排放效应中

生态承载力2000—2020年变化不大

但碳足迹和生态赤字表现为增加趋势

年均增加率分别为6.2%和8.7%。因此

安徽省中北部平原地区为碳减排重点控制区域

降低建设用地及增加林地面积可有效调节该地区碳排放效应。

Abstract

Land use change is the main driving force of regional carbon emissions change

and revealing the impact of land use change on carbon emissions is instructive for the formulation of carbon emission policies. However

research on the impact of land use change on carbon emissions in areas with rapid economic development is still limited. Taking Anhui Province as objective

this study evaluated the net carbon emissions from the perspective of carbon source/sink based on the land use change from 2000 to 2020

analyzed the spatio-temporal characteristics of carbon emissions

and clarified the carbon emission effect from the aspects of carbon footprint

ecological carrying capacity and ecological deficit. The results showed that: (1) During 2000 to 2020

the net carbon emissions from land use in Anhui Province increased

with an average annual increase of 5 039 200 tons. Forest was the main carbon sink

but the amount of carbon sinks varied little from year to year. Construction land was the main carbon source

with an average annual increase of 5 113 700 tons. (2) During 2000 to 2020

the carbon source change area was mainly distributed in the central and northern plain area of Anhui Province

and the carbon sink change area was mainly distributed in the mountainous of southwest. Furthermore

the central and northern area of Anhui Province was the hottest areas of the carbon emission intensity changes. (3) Among the carbon emission effects caused by carbon source/sink changes

the ecological carrying capacity did not change much from 2000 to 2020

but the carbon footprint and ecological deficit increased

with an annual increase rate of 6.2% and 8.7%

respectively. Therefore

the central and northern plain area of Anhui province was the key control area for implementing carbon emission reduction. Meanwhile

reducing the construction land and increasing forest area could effectively adjust the carbon emission effect in study area.

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