GIS approaches to understanding connections and movement through space

Davies, Gemma (2019) GIS approaches to understanding connections and movement through space. PhD thesis, Lancaster University.

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Abstract

The overarching theme of this work is an exploration of ways in which GIS can be used to analyse connections or movement through space in a wide variety of contexts. The published work focuses upon the application of both network and raster-based techniques at a variety of scales. A review is provided summarising the breadth of applications that currently use GIS to model connectivity or movement through space. This is followed by a series of published work in this field. This includes both raster and network approaches to assessing journey-time exposure to air pollution; exploring the impact of artificial lighting on gap crossing thresholds of bats; examining the presence of food deserts in rainforest cities; assessing urban accessibility and its influence on social vulnerability to climate shocks; and understanding of the impact of segregation on everyday patterns of mobility. With a diverse range of application areas and variety of spatial scales ranging from 2 - 605,000km2, this published work highlights the ways in which GIS can be implemented in new ways to improve understanding of connections and/or movement through space.