Modelling Physical Accessibility to Public Green Spaces in Switzerland to Support the SDG11

被引:11
作者
Chenes, Camille [1 ]
Giuliani, Gregory [1 ,2 ]
Ray, Nicolas [1 ,3 ]
机构
[1] Univ Geneva, Inst Environm Sci, Bd Carl Vogt 66, CH-1211 Geneva, Switzerland
[2] GRID Geneva, United Nations Environm Programme, 11 Chem Anemones, CH-1211 Chatelaine, Switzerland
[3] Univ Geneva, Inst Global Hlth, GeoHlth Grp, 9 Chem Mines, CH-1202 Geneva, Switzerland
来源
GEOMATICS | 2021年 / 1卷 / 04期
关键词
green space; forest; physical accessibility; sustainable development goals; earth observations; OpenStreetMap; Sentinel-2; AccessMod; HUMAN HEALTH; URBAN; INDICATORS; CITIES;
D O I
10.3390/geomatics1040022
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
Urban sprawl has a strong impact on the provision and use of green spaces and, consequently, on the benefits that society can derive from these natural ecosystems, especially in terms of public health. In looking at the Sustainable Development Goals and other regional policy frameworks, there is a strong need for quantifying access to green spaces. This study presents and applies a methodology to model the physical accessibility at national and sub-national scales to public green spaces (i.e., urban green spaces and forests) in Switzerland, using AccessMod and ArcGIS travel time functions. We found that approximately 75% and 36% of the Swiss population can access the nearest urban green space within 5 min and 15 min, respectively, using motorized transport. For motorized access to the nearest forest patch, 72% and 52% of the population are within 5 min and 15 min, respectively. When considering only the main urban areas, approximately 55% of the population can walk to the nearest urban green space within 5 min. However, a high heterogeneity in access exists at cantonal and municipal levels, depending on road density, green space density, and population distribution. Despite some possible challenges in correctly delineating public green spaces, our methodology offers a replicable approach offering not only insights into sustainable urban development, but also the facilitation of comparison with other European countries.
引用
收藏
页码:383 / 398
页数:16
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