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Assessing the coastal vs hinterland divide by use of multitemporal data: Case study in Corinthia, Greece

Apostolos LAGARIAS | Ioannis ZACHARAKIS | Anastasia STRATIGEA Downloads: 203

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Published: 2022/04/13 DOI:

Open Access

Keywords: Urban development, Coastal vs hinterland divide, Coastal areas, Multitemporal data, Global Human Settlement Layer, Corinthia


Escalating urban development in coastal zones is currently noticed in many regions around the globe, leading to unsustainable future pathways. This, among others, accounts for: land and marine ecosystems’ degradation; higher vulnerability to Climate Change impacts; and a largely uneven urban network pattern, raising issues of the ‘coastal vs mainland’ divide that hampers a balanced regional development. This holds true in the case study explored in this work, namely Regional Unit of Corinthia, Region of Peloponnese, Greece. This area, despite its natural and cultural assets and critical location as a transportation node in close proximity to Athens, displays certain spatial imbalances as to the coastal and hinterland urban expansion pattern that are linked also to developmental ones. Monitoring urban development by use of multi-temporal data for built-up areas can advocate the identification/assessment of important spatial dimensions of the aforementioned problems; and guide evidence-based policy decisions. Along these lines, this paper elaborates on the development of a methodology in response to the research question of quantifying urban development trends and assessing the “coastal vs hinterland” divide. This methodology is grounded in high-resolution multi-temporal data processing for built-up areas, provided by the Global Human Settlement Layer (GHSL); and the estimation of a Coastal vs Hinterland divide Index (CHI). Results highlight the criticality of coastal urban development and the need for an integrated policy, re-directing developmental impulses towards the less privileged hinterland urban constellations; while supporting endogenous development of territorial assets, in order for a more balanced and sustainable urban settlements’ model to emerge.

Highlights:- ‘Coastal vs mainland’ divide in coastal areas hampers balanced regional development - Methodology is grounded in high-resolution multi-temporal data processing for built-up areas - Urban development is monitored in Regional Unit of Corinthia, Greece, in the period 1975-2014 - A Coastal vs Hinterland divide Index (CHI) is used to assess the spatial divide - Results highlight the criticality of coastal development and the need for an integrated policy

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