Effects of choice of data aggregation method to a point on walking accessibility results using the G2SFCA method

• Autorzy: Lechowski Łukasz

Identyfikatory

DOI

10.4467/2543859XPKG.22.023.17147

Warianty tytułu

PL

Wpływ wyboru metody agregacji danych do punktu na wyniki dostępności pieszej uzyskane przy wykorzystaniu metody G2SFCA

• Języki publikacji: EN

Abstrakty

EN

In spatial accessibility studies based on market areas, such as floating catchment area (FCA) family methods, it is crucial to identify the point to which weights are assigned, both on the demand and supply side. Bearing in mind that it is not always possible to work on disaggregated data, the aim of this paper was to investigate which method of determining a point, minimises bias in the estimation of walking accessibility. The research used the G2SFCA method, introduced by Dai, which has been employed several times to model walking accessibility. Results clearly show that point location methods for area units, based on disaggregating data to buildings, perform better at the scale of statistical districts or cadastral precincts, compared to those based on the centrally weighted mean. They also show that positional measures such as the Euclidean centrally weighted median can improve the results of analyses in units that are heterogeneous in terms of settlement network pattern.

Słowa kluczowe

EN

spatial accessibility; walking accessibility; GIS; 2SFCA; data aggregation

PL

dostępność przestrzenna; dostępność piesza; GIS; 2SFCA; agregacja danych

• Wydawca: Komisja Geografii Komunikacji Polskiego Towarzystwa Geograficznego ; Uniwersytet Gdański. Katedra Geografii Rozwoju Regionalnego
• Czasopismo: Prace Komisji Geografii Komunikacji PTG
• Rocznik: 2022
• Tom: nr 25(4)
• Strony: 74--93
• Opis fizyczny: Bibliogr. 69 poz., rys., tab.

Twórcy

autor

Lechowski Łukasz

• Institute of Urban Geography, Tourism Studies and Geoinformation, Faculty of Geographical Sciences, University of Lodz, Kopcińskiego 31, 90-142 Lodz, Poland

• https://orcid.org/0000-0001-8919-2173

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)