地理学报 ›› 2022, Vol. 77 ›› Issue (3): 679-696.doi: 10.11821/dlxb202203013
收稿日期:
2021-05-11
修回日期:
2021-12-22
出版日期:
2022-03-25
发布日期:
2022-05-25
通讯作者:
杨宇(1984-), 男, 山东威海人, 研究员, 博士生导师, 主要从事能源地理与区域发展研究。E-mail: yangyu@igsnrr.ac.cn作者简介:
夏四友(1991-), 男, 贵州盘州人, 博士生, 主要从事能源地理与区域可持续发展研究。E-mail: 2855453308@qq.com
基金资助:
XIA Siyou1,2(), YANG Yu1,2,3(
)
Received:
2021-05-11
Revised:
2021-12-22
Published:
2022-03-25
Online:
2022-05-25
Supported by:
摘要:
从主体功能区划视角研究碳收支和碳补偿分区,对于制定适应各主体功能区低碳发展策略,推动区域生态环境协同治理,实现高质量发展具有重要意义,也是地理学思想对于实现“双碳”目标的重要贡献。本文首先构建主体功能区视角下碳收支与碳补偿的理论框架,然后以京津冀城市群157个县级单元为研究区,引入集中化指数、标准显性比较优势指数、SOM-K-means聚类等方法研究功能区视角下京津冀城市群碳收支时空分异与碳补偿分区,并提出以低碳发展为导向的碳减排空间优化方案。结果表明:① 2000—2017年京津冀城市群碳收支量呈现波动上升态势,其集中化指数均高于0.4的“警戒线”,碳收支地区差异整体偏大。② 碳收支时空分异显著,碳排放高值区呈现以京津唐为中心,向外逐步降低的“核心—外围”空间格局;而碳吸收空间格局趋于稳定,总体呈现东、北、西部高,而中、南部低的倒“U”型格局。③ 京津冀城市群碳收支与主体功能区战略定位较为吻合,优化开发区和重点开发区是碳排放的主要承压区,而重点生态功能区是碳吸收的优势主导区,各功能区碳吸收集中化指数差别较碳排放集中化指数小。④ 京津冀城市群共有53个支付区、64个平衡区和40个获补区,结合主体功能区规划战略目标,最终形成9类碳补偿空间优化区,并提出每一类型区低碳发展方向及策略。⑤ 未来要加强更微观尺度的碳收支及碳补偿研究,丰富和完善碳补偿理论框架,将碳补偿融入到碳交易市场,探索实现“双碳”目标的多元化路径。
夏四友, 杨宇. 基于主体功能区的京津冀城市群碳收支时空分异与碳补偿分区[J]. 地理学报, 2022, 77(3): 679-696.
XIA Siyou, YANG Yu. Spatio-temporal differentiation of carbon budget and carbon compensation zoning in Beijing-Tianjin-Hebei Urban Agglomeration based on the Plan for Major Function-oriented Zones[J]. Acta Geographica Sinica, 2022, 77(3): 679-696.
表1
京津冀城市群碳补偿类型区主要指标
碳补偿空间分区(单元数) | 土地面积 占比(%) | GDP 占比(%) | 碳排放总量占比(%) | 碳排放经济 贡献系数 | 碳排放生态 承载系数 | 国土空间 开发程度(%) |
---|---|---|---|---|---|---|
支付区—优化开发区(21) | 11.030 | 54.631 | 29.755 | 1.836 | 0.386 | 9.358 |
支付区—重点开发区(17) | 11.698 | 20.843 | 26.140 | 0.797 | 0.357 | 9.122 |
支付区—农产品主产区(15) | 5.291 | 4.168 | 6.839 | 0.609 | 0.539 | 2.189 |
平衡区—优化开发区(12) | 4.992 | 3.060 | 7.735 | 0.396 | 0.593 | 3.617 |
平衡区—重点开发区(7) | 2.026 | 1.559 | 3.017 | 0.517 | 0.487 | 2.095 |
平衡区—农产品主产区(26) | 6.038 | 2.925 | 7.199 | 0.406 | 0.628 | 2.508 |
平衡区—重点生态功能区(19) | 12.474 | 6.439 | 8.392 | 0.767 | 1.392 | 3.432 |
获补区—农产品主产区(16) | 10.040 | 2.847 | 6.019 | 0.473 | 1.700 | 1.068 |
获补区—重点生态功能区(24) | 36.411 | 3.528 | 4.903 | 0.720 | 8.771 | 0.774 |
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