A place-based model of local activity spaces: individual place exposure and characteristics

Kamyar Hasanzadeh (), Tiina Laatikainen () and Marketta Kyttä ()
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Kamyar Hasanzadeh: Aalto University
Tiina Laatikainen: Aalto University
Marketta Kyttä: Aalto University

Journal of Geographical Systems, 2018, vol. 20, issue 3, No 2, 227-252

Abstract: Abstract Researchers for long have hypothesized relationships between mobility, urban context, and health. Despite the ample amount of discussions, the empirical findings corroborating such associations remain to be marginal in the literature. It is growingly believed that the weakness of the observed associations can be largely explained by the common misspecification of the geographical context. Researchers coming from different fields have developed a wide range of methods for estimating the extents of these geographical contexts. In this article, we argue that no single approach yet has sufficiently been capable of capturing the complexity of human mobility patterns. Subsequently, we discuss that reaching a better understanding of individual activity spaces can be possible through a spatially sensitive estimation of place exposure. Following this discussion, we take an integrative person and place-based approach to create an individualized residential exposure model (IREM) to estimate the local activity spaces (LAS) of the individuals. This model is created using data collected through public participation GIS. Following a brief comparison of IREM with other commonly used LAS models, the article continues by presenting an empirical study of aging citizens in Helsinki area to demonstrate the usability of the proposed framework. In this study, we identify the main dimensions of LASs and seek their associations with socio-demographic characteristics of individuals and their location in the region. The promising results from comparisons and the interesting findings from the empirical part suggest both a methodological and conceptual improvement in capturing the complexity of local activity spaces.

Keywords: Activity space; Local activity space; PPGIS; Modeling; Neighborhood; Mobility pattern (search for similar items in EconPapers)
JEL-codes: C61 C65 R20 R23 Y80 (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s10109-017-0264-z

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