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Identification of Seasonally Flooded Areas in North Gujarat Using Radar Satellite Imagery: Implications for Archaeology

AuthorsCecilia Conesa, Francesc ; Devanthéry, Núria; Balbo, Andrea ; Madella, Marco ; Ajithprasad, P.
Remote Sensing
North Gujarat
landscape Dynamics
Issue Date2013
PublisherUniversity of Kerala
CitationHeritage: Journal of Multidisciplinary Studies in Archaeology (1) : 344-355 (2013)
AbstractThis research aims at exploring the potential of ENVISAT ASAR satellite data for understanding surface and near‐surface water dynamics in the semi‐arid archaeological landscape of North Gujarat (India). Research is done within the framework of an explorative Earth Observation project proposal from the European Space Agency (ESA EOPI) with the collaboration of the North Gujarat Archaeological Project (NoGAP) and the Active Remote Sensing Unit from the Institute of Geomatics (Barcelona, Catalonia). The amplitude component of multi‐temporal ASAR C‐band Single Look Complex (SLC) images from pre‐monsoon, monsoon and post‐monsoon seasons have been used. The mean extent of floodable areas has been estimated by comparing the mean amplitude of seasonal periods. The integration of SAR data and geoarchaeological data has provided new insights to understand presentday 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, opening interesting inroads to study settlement distribution and resource availability in past socio‐ecological systems.
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