Spatially explicit urban green indicators for characterizing vegetation cover and public green space proximity: a case study on Brussels, Belgium

作     者：Tim Van de Voorde 

作者机构：Department of GeographyVrije Universiteit BrusselBrusselsBelgium 

出 版 物：《International Journal of Digital Earth》 (国际数字地球学报（英文）)

年 卷 期：2017年第10卷第8期

页      面：798-813页

核心收录：

学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学] 

主　　题：Urban green urban ecosystem services geographic information systems vegetation indicators 

摘      要：Cities often have a substantial green infrastructure,which provides local ecosystem services that improve the quality of life of urban *** services should be explicitly addressed in urban development policies,and areas with insufficient vegetation and limited access to public green spaces should be *** paper presents two spatially explicit urban green indicators that are derived using remote sensing imagery,freely available map data and spatial analysis tools from open source geospatial libraries and commercial *** first indicator represents proportional green cover(public as well as private)in the vicinity of each building within a *** second indicator quantifies the proximity of public green spaces as walking distances from buildings to actual park entrances.A dasymetric mapping approach was used to take spatial variations in population density into *** allows representing the indicators from the perspective of citizens instead of buildings,which may be more meaningful for deriving statistics at city level or at the level of neighbourhoods or administrative *** potential use of these indicators in a planning context is discussed on a case study carried out for the city of Brussels,Belgium.