Cited by 2Archaeological Research and ProtectionArchaeological and Geological StudiesArchaeology and Cultural Heritage

A GIS open source application for cost distance modelling for site catchment analysis of prehistoric sites

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Duarte, Lia, Godinho, Sofia, Gomes, Alberto, Rodrigues, Sérgio, Teodoro, Ana Cláudia M.·2023·Earth Resources and Environmental Remote Sensing/GIS Applications XIV

Abstract

Archaeological research employing least-cost analysis and Geographic Information Systems (GIS) has increased over the past decade. In the Portuguese archaeological research, several approaches were applied to estimating the cost-distance, describing the relationship between travel distances and their associated costs. Archaeologically, Site Catchment Analysis (SCA) consists of a territorial analysis of the area surrounding a site that its inhabitants can exploit in terms of natural resources. There are a few generic least-cost path plugins available in QGIS software, but none of them incorporates an archaeology-specific methodology, as many GIS users combine QGIS algorithms with ArcGIS tools to achieve the desired results. This work’s objective is to automate the cost-distance modelling for SCA at archaeological sites by creating a QGIS open-source application. Tobler's hiking function and a set of geographic information – slope, aspect, rivers - were implemented in the application, allowing the evaluation of archaeological hypotheses in a specific research study area. The application was tested for Northwest Portugal in a region comprised of the districts of Porto, Braga, and Viana do Castelo, where an inventory of archaeological sites from the second millennium BC until 500 BC was compiled. The creation of SCA maps for archaeological sites enabled the detection of a few differences in the composition of one hour walking territories. This suggests the existence of a set of similarities between these territories, despite their different topographic histories. For archaeologists, the application has benefits for automating the creation of specific maps and streamlining the process of making these models.

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Research works printed but not linked: 4

  1. Davidson, 2016, Los Yacimientos, sus Territorios de Explotation y la Topografia, Boletín del Museo Arqueológico Nacional (Madrid), II
  2. Oubiña, 2006, Diseño metodológico para el análisis localicional de asentamientos a través de un SIG de base Raster, La aplicación de los SIG en la arqueología del paisaje, 69
  3. Jorge, 1988, O povoado da Bouça do Frade (Baião) no quadro do Bronze Final do Norte de Portugal, 2
  4. Bettencourt, 1999, A Paisagem e o Homem na Bacia do Cávado durante o II e o I milénios AC, U.Minho

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Authors
Duarte, L., Godinho, S., Gomes, A., Rodrigues, S., & Teodoro, A. C. M.
Affiliations
Universidade do Porto (PT)
Venue
Earth Resources and Environmental Remote Sensing/GIS Applications XIV
Publisher
SPIE
Published
2023-10-19
Pages
46
OpenAlex
W4387770959
Cited by
2
References
14
Citations by year
2026: 1 · 2025: 1
FWCI
11.02
Type
conference paper
Language
en
Open access
Licence
other-oa
Locations
Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Archaeological Research and Protection
  • Social Sciences › Arts and Humanities › Archeology › Archaeological and Geological Studies
  • Social Sciences › Cultural Studies › Archaeology and Cultural Heritage
Keywords
site catchment analysis, least-cost path, QGIS plugin, prehistoric sites, travel distance, natural resource exploitation, archaeological inventory, northwest Portugal

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