碳中和、碳达峰导向下的碳汇价值评估——以天津市蓝绿基础设施为例

Evaluation on the Carbon Sequestration Value under the Guidance of Carbon Dioxide Emissions Peaking and Neutraling: A Case of the Urban Green and Blue Infrastructure in Tianjin

城市蓝绿基础设施为城市提供了多种类型的调节和支持服务。笔者以天津市域范围内的蓝绿基础设施为研究对象,以遥感影像和相关研究资料为基础,通过选择科学的固碳释氧评估方法,计算了1990—2020年间,天津市中心城区、都市发展区和城市远郊区3个研究区域的蓝绿基础设施在碳汇服务方面的价值收益。最后,在碳中和、碳达峰导向下,对蓝绿基础设施的调节服务价值总量、空间分布和时间变化等方面的规律进行了分析。本研究希望引起专业人士对蓝绿基础设施碳汇服务的重视,加强对蓝绿基础设施的保护、修复与建设。

Urban green and blue infrastructure provides multiple regulating and supporting services for the city. The author takes the urban green and blue infrastructure in Tianjin as the research object.Based on the remote sensing images and other related materials, this paper calculates the value benefts of green and blue infrastructure in terms of carbon sequestration services in the central urban area,urban development area and outer suburban area of Tianjin from 1990 to 2020 by selecting scientific evaluation methods of carbon sequestration and oxygen release. Finally, under the guidance of the carbon dioxide emissions peaking and neutraling, this paper analyzes the pattern of regulating services provided by green and blue infrastructure in aspects of accumulated value, spatial distribution and time variation. It is hoped that this paper can attract the attention of professionals to carbon sequestration services of green and blue infrastructure, and strengthen the protection, repair and construction of green and blue infrastructure.