Analyzing fair access to urban green areas using multimodal accessibility measures and spatial prioritization

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http://hdl.handle.net/10138/321766

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Jalkanen , J , Fabritius , H , Vierikko , K , Moilanen , A & Toivonen , T 2020 , ' Analyzing fair access to urban green areas using multimodal accessibility measures and spatial prioritization ' , Applied Geography , vol. 124 , 102320 . https://doi.org/10.1016/j.apgeog.2020.102320

Title: Analyzing fair access to urban green areas using multimodal accessibility measures and spatial prioritization
Author: Jalkanen, Joel; Fabritius, Henna; Vierikko, Kati; Moilanen, Atte; Toivonen, Tuuli
Contributor: University of Helsinki, Digital Geography Lab
University of Helsinki, Digital Geography Lab
University of Helsinki, Department of Geosciences and Geography
University of Helsinki, Digital Geography Lab
Date: 2020-11
Number of pages: 11
Belongs to series: Applied Geography
ISSN: 0143-6228
URI: http://hdl.handle.net/10138/321766
Abstract: Maintaining enough green areas and ensuring fair access to them is a common planning challenge in growing and densifying cities. Evaluations of green area access typically use metrics like population around green areas (within a certain buffer), but these do not fully ensure equitable access. We propose that using systematic and complementarity-driven spatial prioritization, often used in nature conservation planning, could assist in the complex planning challenge. Here, we demonstrate the use of spatial prioritization to identify green areas with highest recreational potential based on their type and their accessibility for the residents of the Helsinki Metropolitan area, the capital district of Finland. We calculated travel times from each city district to each green area. Travel times were calculated separately to local green areas using active travel modes (walking and biking), and to large forests (attracting people from near and far) using public transport. We prioritized the green areas using these multimodal travel times from each district and weighting the prioritization with population data with Zonation, conservation prioritization software. Compared to a typical buffer analysis (population within a 500 m buffer from green areas), our approach identified areas of high recreational potential in different parts of the study area. This approach allows systematic integration of travel-time-based accessibility measures into equitable spatial prioritization of recreational green areas. It can help urban planners to identify sets of green areas that best support the recreational needs of the residents across the city.
Subject: Accessibility
BIODIVERSITY
CITIES
CONSERVATION PRIORITIZATION
ENVIRONMENTAL JUSTICE
Equitability
Green spaces
IDENTIFICATION
PARKS
PUBLIC-HEALTH
Recreation
SPACE
Travel mode
URBANIZATION
YOUNG-PEOPLE
Zonation software
519 Social and economic geography
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