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    基于耦合模型的杭州市区气候与绿色基础设施协调关系量化分析研究

    关键词:风景园林;气候与绿色基础设施;交互耦合;评价指标体系;耦合协调度模型;杭州市区

    Key words:landscape architecture; climate and green infrastructure; interaction coupling; evaluation index system; coupling coordination degree model; Hangzhou downtown

    摘要:气候与绿色基础设施之间客观存在着复杂的交互耦合关系,借鉴物理学中的耦合理论,分析杭州市区的气候与绿色基础设施之间的协调发展机制。首先构建了气候与绿色基础设施的综合评价指标体系,然后借鉴耦合模型,创建了气候与绿色基础设施动态耦合协调度模型,定量分析2001—2014年杭州市区的气候与绿色基础设施之间的耦合发展过程,得出如下结论:1)年平均降雨量、最长连续降雨日数和日最大降雨量对杭州市区气候的贡献值较大,合计为59%;营林面积占地比例、园林绿地面积占地比例和建城区绿化覆盖率对市区绿色基础设施的贡献份额较大,共占58%;2)杭州市区的绿色基础设施发展水平总体为先快速上升后缓慢波动的上升趋势,并由一般向良好状态发展;3)气候与绿色基础设施的耦合协调度经历了初级协调(2001—2006年)、中级协调(2007—2010年)和良好协调(2011—2014年)过程。

    Abstract:There exists a complex interaction coupling relationship between climate and green infrastructure. Based on the coupling theory in physics, this paper analyzes their coordinated development mechanism in Hangzhou urban. Firstly, it builds the comprehensive evaluation index system concerning climate and green infrastructure, and then according to the coupling model, it creates the dynamic coupling coordination degree model. Finally, it analyzes the coupling development process quantitatively between the climate and the green infrastructure in Hangzhou from 2001 to 2014. The results show that: 1) The average annual rainfall, the longest continuous rain days, and the maximum daily precipitation have great influence on Hangzhou urban climate and contribution value total by 59%. The reforest area percentage, the green land area percentage and the green coverage of built-up areas have bigger percentage in the urban green infrastructure and contribution value total by 58%. 2) At first, the development level of urban green infrastructure in Hangzhou presented rapid rise, and then increased slowly and wavily. But its whole tendency is climbing. 3) The coupling coordination degree has experienced the primary coordinate (2001-2006), intermediate (2007-2010) and good coordination (2011-2014).

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