多维空间下长沙市热环境影响因素的研究  

Research on Influencing Factors of Thermal Environment in Changsha Under Multi-dimensional Space

作　　者：邹世锋[1] 顾铭嫄 谭文专[1] 熊忠招[1] 葛孟钰 ZOU Shifeng;GU Mingyuan;TAN Wenzhuan;XIONG Zhongzhao;GE Mengyu(Hubei Institute of Land Surveying and Mapping,Wuhan 430019,China;School of Economics,Hubei Business College,Wuhan 430079,China)

机构地区：[1]湖北省国土测绘院,湖北武汉430019 [2]湖北商贸学院经济学院,湖北武汉430079

出　　处：《地理空间信息》2023年第12期77-82,共6页Geospatial Information

摘　　要：以长沙为研究区域,综合多源遥感数据,引入不同维度空间内的多种参数,从生态景观格局、城市多维空间发展的角度探索了城市热环境的主要影响因素,并提出了相关的建议。结果表明,长沙城市扩张迅速,热环境在多维空间内受多种因素影响,与之相关性最高的是建筑物的相关参数。城市体积的增加、建筑物破碎化下降及裸土地破碎化上升是影响城市热环境的关键参数。因此,控制城市扩张速度,避免建筑大规模集中布局,适当增加绿地、水体斑块,是缓解长沙热环境的重要举措。本研究可为长沙市改善城市热环境提供决策参考,也可为其他自然禀赋相似的城市提供热环境影响分析的案例借鉴。Taking Changsha City as a case study,we integrated multi-source remote sensing data,introduced various parameters in different di-mensional spaces,explored the main influencing factors of urban thermal environment from the perspective of ecological landscape pattern and urban multi-dimensional space development,and finally put forward suggestions.The results showed that during the study period,Changsha City expanded rapidly,and the thermal environment was affected by several surface parameters in multi-dimensional space among which the parame-ters of buildings were the most relevant.The increase of urban volume,the decrease of building fragmentation and the increase of bare land frag-mentation were the key parameters affecting the urban thermal environment.Therefore,controlling the speed of urban expansion,avoiding large-scale centralized layout of buildings,and appropriately increasing green spaces and water patches were important measures to alleviate the thermal environment in Changsha.The result can provide a decision-making reference for Changsha to improve the urban thermal environment,and provide a case reference for thermal environment impact analysis in other cities with similar natural conditions.

关 键 词：遥感 热环境 景观格局 多维空间 RDA分析 

分 类 号：P208[天文地球—地图制图学与地理信息工程]