<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Over the last twenty years or so, researchers’ attention to the issue of food deserts has increased in the geographical literature. Accessibility to large-scale retail units is one of the essential and frequently-used indicators leading to the identification and mapping of food deserts. Numerous accessibility measures of various types are available for this purpose. Euclidean distance and street network distance rank among the most frequently-used approaches, although they may lead to slightly different results. The aim of this paper is to compare various approaches to the accessibility to food stores and to assess the differences in the results gained by these methods. Accessibility was measured for residential block centroids, with applications of various accessibility measures in a GIS environment. The results suggest a strong correspondence between Euclidean distance and a little more accurate street network distance approach, applied in the case of the urban environment of Bratislava-Petržalka, Slovakia.</p></abstract>

Over the last twenty years or so, researchers’ attention to the issue of food deserts has increased in the geographical literature. Accessibility to large-scale retail units is one of the essential and frequently-used indicators leading to the identification and mapping of food deserts. Numerous accessibility measures of various types are available for this purpose. Euclidean distance and street network distance rank among the most frequently-used approaches, although they may lead to slightly different results. The aim of this paper is to compare various approaches to the accessibility to food stores and to assess the differences in the results gained by these methods. Accessibility was measured for residential block centroids, with applications of various accessibility measures in a GIS environment. The results suggest a strong correspondence between Euclidean distance and a little more accurate street network distance approach, applied in the case of the urban environment of Bratislava-Petržalka, Slovakia.

Comparing two distance measures in the spatial mapping of food deserts: The case of Petržalka, Slovakia

Department of Regional Geography, Protection and Planning of the Landscape, Faculty of Natural Science

Department of Human Geography and Demography, Faculty of Natural Science

Department of Marketing, Faculty of Commerce

Moravian Geographical Reports

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Over the last twenty years or so, researchers’ attention to the issue of food deserts has increased in the geographical literature. Accessibility to...

Comparing two distance measures in the spatial mapping of food deserts: The case of Petržalka, Slovakia

Publié en ligne: 08 juil. 2017

Pages: 95 - 103

Reçu: 03 févr. 2017

Accepté: 01 juin 2017

DOI: https://doi.org/10.1515/mgr-2017-0009

Mots clés
food access, food deserts, distance measures, GIS, Bratislava-Petržalka, Slovakia

© 2017 Kristína Bilková et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comparing two distance measures in the spatial mapping of food deserts: The case of Petržalka, Slovakia

Publié en ligne: 08 juil. 2017

Pages: 95 - 103

Reçu: 03 févr. 2017

Accepté: 01 juin 2017

DOI: https://doi.org/10.1515/mgr-2017-0009

Mots clésfood access, food deserts, distance measures, GIS, Bratislava-Petržalka, Slovakia

© 2017 Kristína Bilková et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
food access, food deserts, distance measures, GIS, Bratislava-Petržalka, Slovakia