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Remote Sens. 2014, 6(11), 11420-11443; doi:10.3390/rs61111420

Use of Satellite SAR for Understanding Long-Term Human Occupation Dynamics in the Monsoonal Semi-Arid Plains of North Gujarat, India

1
CaSEs-Complexity and Socio-Ecological Dynamics Research Group
2
Spanish National Research Council (IMF-CSIC), c/ Egipcíaques, 15, Barcelona 08001, Catalonia, Spain
3
Geomatics Division, Catalan Telecommunications Technology Centre (CTTC), Av. Carl Friedrich Gauss, 11, Parc Mediterrani de la Tecnologia, Castelldefels E-08860, Catalonia, Spain
4
Department of Humanities, Universitat Pompeu Fabra, C/ Ramon Trias Fargas, 25–27, Barcelona 08005, Catalonia, Spain
5
ICREA-Institució Catalana de Recerca i Estudis Avançats
*
Author to whom correspondence should be addressed.
Received: 7 July 2014 / Revised: 17 October 2014 / Accepted: 20 October 2014 / Published: 14 November 2014
(This article belongs to the Special Issue New Perspectives of Remote Sensing for Archaeology)
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Abstract

This work explores the spatial distribution of monsoonal flooded areas using ENVISAT C-band Advanced Synthetic Aperture Radar (ASAR) in the semi-arid region of N. Gujarat, India. The amplitude component of SAR Single Look Complex (SLC) images has been used to estimate the extent of surface and near-surface water dynamics using the mean amplitude (MA) of monsoonal (July to September) and post-monsoonal (October to January) seasons. The integration of SAR-derived maps (seasonal flooding maps and seasonal MA change) with archaeological data has provided new insights to understand present-day landscape dynamics affecting archaeological preservation and visibility. Furthermore, preliminary results suggest a good correlation between Mid-Holocene settlement patterns and the distribution and extension of seasonal floodable areas within river basin areas, opening interesting inroads to study settlement distribution and resource availability in past socio-ecological systems in semi-arid areas. View Full-Text
Keywords: ENVISAT; SAR amplitude; Indian summer monsoon; archaeology; water areas; land use ENVISAT; SAR amplitude; Indian summer monsoon; archaeology; water areas; land use
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Conesa, F.C.; Devanthéry, N.; Balbo, A.L.; Madella, M.; Monserrat, O. Use of Satellite SAR for Understanding Long-Term Human Occupation Dynamics in the Monsoonal Semi-Arid Plains of North Gujarat, India. Remote Sens. 2014, 6, 11420-11443.

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