Amplitude Change Detection with ENVISAT ASAR to Image the Cultural Landscape of the Nasca Region, Peru (Articolo in rivista)

Type
Label
  • Amplitude Change Detection with ENVISAT ASAR to Image the Cultural Landscape of the Nasca Region, Peru (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/arp.1451 (literal)
Alternative label
  • Francesca Cigna1, Deodato Tapete2, Rosa Lasaponara3, Nicola Masini4 (2013)
    Amplitude Change Detection with ENVISAT ASAR to Image the Cultural Landscape of the Nasca Region, Peru
    in Archaeological prospection (Print); WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Francesca Cigna1, Deodato Tapete2, Rosa Lasaponara3, Nicola Masini4 (literal)
Pagina inizio
  • 117 (literal)
Pagina fine
  • 131 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://onlinelibrary.wiley.com/doi/10.1002/arp.1451/abstract (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 20 (literal)
Rivista
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  • 15 (literal)
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  • 2 (literal)
Note
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 British Geological Survey, Natural Environment Research Council, Nicker Hill, Keyworth, Nottingham NG12 5GG, United Kingdom 2 Institute for the Conservation and Valorization of Cultural Heritage, National Research Council, Via Madonna del Piano 10, I-50019, Sesto Fiorentino, Florence, Italy 3 IMAA, Institute of Methodologies for Environmental Analysis, National Research Council, Contrada S. Loja, -85050, Tito Scalo, Potenza, Italy 4 IBAM, Institute for Archaeological and Monumental Heritage, National Research Council, Contrada S. Loja, -85050, Tito Scalo, Potenza, Italy (literal)
Titolo
  • Amplitude Change Detection with ENVISAT ASAR to Image the Cultural Landscape of the Nasca Region, Peru (literal)
Abstract
  • Synthetic aperture radar (SAR) amplitude information from ENVISAT C-band advanced SAR (ASAR) data was used to analyse the cultural landscape of the Nasca region, southern Peru. A multispatial environmental analysis was performed over the whole drainage basin of the Rio Grande, by extracting the radar backscattering coefficient (?0) of both natural and anthropogenic features between 2003 and 2005. Co-registration of the ASAR scenes to a single master resulted in precisions of less than 0.1 pixels along both the range and azimuth directions. Four different products were generated based on the co-registered ASAR stack: (i) temporally averaged radar signatures of the targets between 2003 and 2005; (ii) time series of spatially averaged radar signatures within selected areas of interest; (iii) amplitude change detection products based on (iii) image ratios and (iv) RGB colour composites between different scenes. Comparisons of annual and seasonal records through amplitude change detection maps highlighted ?0 changes over the floodplains of the Rio Ingenio and Rio Nazca, which correlate well with evidence from Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data acquired in 2003, 2004 and 2007. Inferences about land use and soil conditions were retrieved from the ?0 change patterns, thereby proving the capability of this approach to support landscape evolution studies, even with SAR imagery of medium resolution (~30m). Our results also demonstrated actual potential for monitoring mass movements and land surface processes, to assess the susceptibility of archaeological heritage and cultural landscape to natural hazards. (literal)
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