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影响碳中和的城市绿地空间特征与精细化管控实施框架
王敏, 宋昊洋
同济大学
摘要:
城市绿地具有增碳汇、减碳排的双重生态效益,被认为是推动城市实现“双碳”目标的重要自然途径。在城市高密度建设与存量发展背景下,推进城市绿地空间精细化管控是自然维度下拓展碳中和实践路径、提升城市整体碳中和绩效的重要着力点。基于相关文献,梳理并提出固碳增汇、降温减排、绿色慢行3个路径,讨论了城市绿地空间特征与碳中和的关联影响机制,并从总体规模特征、分布格局特征、几何形态特征、植物配置特征、场地使用特征5个维度厘清了城市绿地影响碳中和的关键空间特征和实证变量指标。按照“系统化分级统筹、差异化分区定标、多维度精准增效”的思路,提出面向碳中和高效配置绿地空间资源的精细化管控指标和实施框架,以期为绿地碳中和效能提升的后续深化研究与城市绿地空间精细化管控提供参考和建议。
关键词:  风景园林  城市绿地  碳中和  绿色碳汇  碳排放  空间特征  规划管控
DOI:10.14085/j.fjyl.2022.05.0017.07
分类号:TU985
基金项目:国家自然科学基金(编号 52178053)
Spatial Characteristics and Implementation Framework for Fine Control of Urban Green Space Affecting Carbon Neutrality
WANG Min, SONG Haoyang
Tongji University
Abstract:
Urban green space has the dual ecological benefits of increasing carbon sink and reducing carbon emission, and is widely regarded as an important natural way to promote cities to achieve carbon peaking and carbon neutrality goals. In the context of high-density urban construction and stock development, promoting the fine control of urban green space is an important focus point to expand the paths for carbon-neutral practice and improve the overall carbon-neutral performance of cities. Based on relevant literature, this research sorts and puts forward three paths of carbon sequestration and sink increase, temperature and emission reduction, and green slow traffic, discusses the mechanism for correlative influence of spatial characteristics of urban green space and carbon neutrality, and clarifies the key spatial characteristics and empirical variable indicators of urban green space affecting carbon neutrality from the following five dimensions: overall scale characteristics, distribution pattern characteristics, geometric morphological characteristics, plant configuration characteristics, and site use characteristics. In addition, the research also, following the idea of “systematic and hierarchical coordination, differentiated zoning and precise multi-dimensional efficiency improvement”, proposes the indicators and implementation framework for fine control conducive to the efficient allocation of green spatial resources targeting carbon neutrality, with a view to providing references and suggestions for subsequent researches on the improvement of carbon-neutral efficiency of green space, and for the fine control of urban green space.
Key words:  landscape architecture  urban green space  carbon neutrality  green carbon sink  carbon emission  spatial characteristics  planning and control
引用本文:王敏,宋昊洋.影响碳中和的城市绿地空间特征与精细化管控实施框架[J].风景园林,2022,29(5):17-23.
WANG Min,SONG Haoyang.Spatial Characteristics and Implementation Framework for Fine Control of Urban Green Space Affecting Carbon Neutrality[J].Landscape Architecture Journal, 2022, 29(5):17-23.