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苏南城市中心区屋顶绿化适建性及生态价值评价(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2017年06期
Page:
153-157
Column:
研究论文
publishdate:
2017-11-30

Article Info:/Info

Title:
Feasibility and ecological value assessment of roof greening in the central urban area of southern Jiangsu
Article ID:
1000-2006(2017)06-0153-05
Author(s):
WANG Xinjun13 CAO Lei2 WANG Yan1 WANG Jikai1ZHAO Yanwen3*
1. School of Art and Design, Changzhou Institute of Technology, Changzhou 213002, China; 2. College of Art and Design, Nanjing Forestry University, Nanjing 210037, China; 3.College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
Keywords:
Keywords:roof greening feasibility assessment ecological value Xinbei District Changzhou City
Classification number :
TU985
DOI:
10.3969/j.issn.1000-2006.201611037
Document Code:
A
Abstract:
【Objective】A scientific and systematic assessment of the feasibility and ecological value of urban roof greening construction is the prerequisite for a safe and sustainable exploitation of the idle roof resources in cities. It also profits urban ecological environment and assists city planners and managers in their decision-making regarding green roof development.【Method】 This study selects the center area of Xinbei District, Changzhou City as a target and aims to build an index system for the feasibility and ecological value assessment of urban roof greening. Remote sensing image technology is employed to collect data for the index system, combined with raster image overlay and reclass methods in ArcMap software for construction feasibility evaluation. 【Result】These methods reveal that in the total roof area of approximately 150 500 m2, 72 600 m2 proves suitable for roof greening, among which 19 600 m2 is fit for intensive greening, 40 000 m2 for semi-intensive greening and 13 000 m2 for extensive greening. After feasibility assessment, market value method is then applied to analyze the ecological value of roof greening in the center of Xinbei District from four aspects, namely, air quality promotion, carbon fixation and oxygen release, energy conservation, and rainwater adjustment. The ecological value is found to be 16.87 Yuan( RMB)/(m2·a).【Conclusion】The study comprehensively analyze the feasibility and sustainability of roof greening construction in the study area, and help to improve the efficiency of the use of urban building roof.

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Last Update: 1900-01-01