Evaluating Neighborhood Green-Space Quality Using a Building Blue–Green Index (BBGI) in Nanjing, China

Zhiming Li, Xiyang Chen, Zhou Shen and Zhengxi Fan
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Zhiming Li: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Xiyang Chen: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Zhou Shen: Suzhou Polytechnic Institute of Agriculture, Suzhou 215008, China
Zhengxi Fan: School of Architecture, Southeast University, Nanjing 210096, China

Land, 2022, vol. 11, issue 3, 1-18

Abstract: High-quality urban green space (UGS) is an integral part of a livable city. The scientific evaluation of UGS has great value for improving the quality and efficiency of green spaces. In this study, we integrated the water and walking networks into the existing green index model and proposed a new green index: the building blue–green index (BBGI). Using this method, we analyzed the quality of green spaces within 300 m of 2138 buildings located in 13 communities in the Mochou Lake subdistrict in Nanjing, China. The results revealed that the green-space quality of high-rise, low-density buildings was greater than that of low-rise, high-density buildings. In addition, buildings close to water had higher green-space quality, while impervious surfaces reduced green-space quality. Furthermore, the connectivity and orientation of the road network indicated that even if a community was close to large parks and water bodies, there would still be lower green-space quality. This study’s findings highlight the usefulness of evaluation methods for green-space quality that combine blue and green spaces. We also propose feasible measures for improving neighborhood green-space planning and land management.

Keywords: urban green space; building blue–green index; neighborhood; high-resolution remoting-sensing image; network analysis; China (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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