气候变化研究进展 ›› 2016, Vol. 12 ›› Issue (2): 101-111.doi: 10.12006/j.issn.1673-1719.2015.225

• 城镇化与气候变化专栏 • 上一篇    下一篇

基于城市功能分区的碳收支平衡时空分异研究

葛汝冰1,吝涛1,刘晓芳1,2,尹锴3,张国钦1,叶红1,李新虎1   

  1. 1 中国科学院城市环境研究所城市环境与健康重点实验室,厦门 361021
    2 华侨大学建筑学院,厦门 362021
    3 中国科学院遥感应用研究所,北京 100101
  • 收稿日期:2015-12-16 修回日期:2016-02-25 出版日期:2016-03-30 发布日期:2016-03-31
  • 通讯作者: 吝涛 E-mail:tlin@iue.ac.cn
  • 基金资助:

    国家自然科学基金项目;国家自然科学基金项目

Study on Spatial-Temporal Differentiation of Regional Carbon Balance Base on Urban Functional

Ge Rubing1, Lin Tao1, Liu Xiaofang1, 2, Yin Kai3, Zhang Guoqin1, Ye Hong1, Li Xinhu1   

  1. 1 Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; 
    2 School of Architecture, Huaqiao University, Xiamen 362021, China; 
    3 Institue of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101, China
  • Received:2015-12-16 Revised:2016-02-25 Online:2016-03-30 Published:2016-03-31

摘要:

研究城市主导功能影响下区域碳平衡时空分异,有助于理解城市功能格局与碳循环过程之间的作用机制。本研究以厦门市6个区为例,采用各区历史统计数据以及卫星影像处理的土地利用数据,通过构建简化的区域碳收支计算模型,核算各行政区不同历史时期的碳平衡,结果表明:厦门市整体上呈现碳收支失衡逐渐加剧的趋势,2003年CO2排放量是吸收量的1.91倍,2013年增长至7.44倍;各区碳代谢以及碳平衡表现出不同的时空分异特征。结合厦门市城市建设总体规划中制订的主导功能分类,阐明主导功能影响下时空分异的社会经济、自然景观等驱动因素对城市碳平衡时空变化的影响机制与过程。在此基础上针对各区不同的碳平衡状况,制订适应各自主导功能的减排以及碳补偿政策。研究有助于直接服务城市的规划和建设实践,从城市生态服务角度指导建设规划,合理城市功能分区。

关键词: 碳收支, 碳平衡, 城市功能, 时空分异, 厦门

Abstract:

Studies on spatial-temporal differentiation of regional carbon imbalance based on urban functional zoning will be beneficial in understanding the mechanism of urban function pattern affecting urban compound ecosystem carbon cycle. Xiamen city, with its 6 administrative districts, was taken as a study case and statistical data and land-use data processed by satellite image were adopted. Carbon emissions and carbon sinks were accounted for each district in different historical periods by using simplified accounting models. The results showed aggravating imbalance trend in overall carbon budget of Xiamen city, in 2013 CO2 emissions were 7.44 times more than CO2 sequestration, compared to 1.91 times in 2003, and carbon imbalance condition distribution has spatial-temporal heterogeneity. Combined with the main regional functions of city development planning, we discuss the mechanism and process of social economic indicators and landscape, which are most influenced by the main functions, affecting the temporal and spatial change of regional carbon imbalance.We conclude that specific carbon abatement or carbon offsetting policies should be considered to address the regional main functions based on individual current carbon imbalance condition. This highlights the importance of urban planning in maintaining regional carbon balance. The aggravating climate change caused by urbanization will require reasonable urban functional zoning with the consideration of urban ecological services.

Key words: carbon emissions/sinks, carbon balance, urban function, spatial-temporal differentiation, Xiamen city

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