Abstract
From the ecological effect of urban green space system, this paper illustrates the necessity and importance of inter-disciplinary evaluation of the urban green space system from the ecological perspective and analyzes the mechanism of action of urban green space in relieving the heat island effect. The quantitative evaluation approach for the thermal environmental impact of urban green space system is proposed utilizing GIS technology. Zhuzhou is taken as an example for practical application of the approach. Lastly, priority issues in relation to urban green space system planning and quantitative evaluation are discussed.
Highlights
Due to their significance to cities, people pay great attention to urban green spaces
The current evaluation methods for urban green space system planning reveal an emphasis on urban green space area, accessibility, and economic effect; there are a few studies related to ecology, yet they are confined to macro aspects such as conceptual introduction and theoretical application; research methods are mostly qualitative (Fu, Song, & Ding, 2006; Hu, 2007; Zhu, 2011; Gao, 2015) and can’t help determine the ecological impact of urban green space systems
Divided into direct and indirect effects, the temperature reduction mechanism of urban green spaces follows a measurable law in respect to the range and degree
Summary
Due to their significance to cities, people pay great attention to urban green spaces. The current evaluation methods for urban green space system planning reveal an emphasis on urban green space area, accessibility, and economic effect; there are a few studies related to ecology, yet they are confined to macro aspects such as conceptual introduction and theoretical application; research methods are mostly qualitative (Fu, Song, & Ding, 2006; Hu, 2007; Zhu, 2011; Gao, 2015) and can’t help determine the ecological impact of urban green space systems. Y. Liu et al 70 quantitative effects of green spaces and urban land, population and other features, GIS technology has been adopted to conduct ecological evaluations on the rationality of urban green space system planning. This research will be of great significance to the improvement of urban green space system evaluation mechanisms and providing guidance on urban green space system planning and development
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