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Article

Consideration of Uncertainty Information in Accessibility Analyses for an Effective Use of Urban Infrastructures

Lab for Geoinformatics and Geovisualization (g2lab), HafenCity University Hamburg, Henning-Voscherau-Platz 1, 20457 Hamburg, Germany
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Academic Editor: Wolfgang Kainz
ISPRS Int. J. Geo-Inf. 2021, 10(3), 171; https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10030171
Received: 10 February 2021 / Revised: 4 March 2021 / Accepted: 11 March 2021 / Published: 16 March 2021
(This article belongs to the Special Issue Geo-Information for Developing Urban Infrastructures)
Accessibility analyses are an essential step in the evaluation and planning of urban infrastructures such as transport or pipeline networks. However, these studies generally produce sharply defined lines (called isovarones) or areas (called isovarone areas) that represent the same or similar accessibility. Uncertainties in the input data are usually not taken into account. The aim of this contribution is, therefore, to set up a structured framework that describes the integration of uncertainty information for accessibility analyses. This framework takes uncertainties in the input data, in the processing step, in the target variables, and in the final visualization into account. Particular attention is paid, on the one hand, to the impact of the uncertainties in the target values, as these are key factors for reasoning and decision making. On the other hand, the visualization component is emphasized by applying a dichotomous classification of uncertainty visualization methods. This framework leads to a large set of possible combinations of uncertainty categories. Five selected examples that have been generated with a new software tool and that cover important combinations are presented and discussed. View Full-Text
Keywords: urban infrastructure networks; accessibility analyses; uncertainty; uncertainty visualization; isovarones; isochrones urban infrastructure networks; accessibility analyses; uncertainty; uncertainty visualization; isovarones; isochrones
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MDPI and ACS Style

Schiewe, J.; Knura, M. Consideration of Uncertainty Information in Accessibility Analyses for an Effective Use of Urban Infrastructures. ISPRS Int. J. Geo-Inf. 2021, 10, 171. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10030171

AMA Style

Schiewe J, Knura M. Consideration of Uncertainty Information in Accessibility Analyses for an Effective Use of Urban Infrastructures. ISPRS International Journal of Geo-Information. 2021; 10(3):171. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10030171

Chicago/Turabian Style

Schiewe, Jochen; Knura, Martin. 2021. "Consideration of Uncertainty Information in Accessibility Analyses for an Effective Use of Urban Infrastructures" ISPRS Int. J. Geo-Inf. 10, no. 3: 171. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi10030171

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