http://www.cnr.it/ontology/cnr/individuo/prodotto/ID279738
SAR and InSAR for flood monitoring: examples with COSMO-SkyMed data (Articolo in rivista)
- Type
- Label
- SAR and InSAR for flood monitoring: examples with COSMO-SkyMed data (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1109/JSTARS.2014.2305165 (literal)
- Alternative label
A. REFICE, D. CAPOLONGO, G. PASQUARIELLO, A. D'ADDABBO, F. BOVENGA, R. NUTRICATO, F. P. LOVERGINE, L. PIETRANERA (2014)
SAR and InSAR for flood monitoring: examples with COSMO-SkyMed data
in IEEE journal of selected topics in applied earth observations and remote sensing (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. REFICE, D. CAPOLONGO, G. PASQUARIELLO, A. D'ADDABBO, F. BOVENGA, R. NUTRICATO, F. P. LOVERGINE, L. PIETRANERA (literal)
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- Q1 (Computers in Earth Sciences)
Q2 (Atmospheric Science) (literal)
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- http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6721254 (literal)
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- A. Refice, G. Pasquariello, A. D'Addabbo, F. Bovenga, and F. P. Lovergine
are with ISSIA-CNR, Via Amendola 122/o, 70125 Bari, Italy (e-mail: refice@ba.
issia.cnr.it).
D. Capolongo is with the Department of Earth and Environmental Science,
University of Bari, 70125 Bari, Italy (e-mail: capolongo@geo.uniba.it).
R. Nutricato is with Geophysical Application Processing (GAP) s.r.l., c/o
Dipartimento Interateneo di Fisica \"M. Merlin\", 70126 Bari, Italy (e-mail:
raffaele.nutricato@gapsrl.eu).
L. Pietranera is with e-Geos s.p.a., 00156 Rome, Italy (e-mail: luca.
pietranera@e-geos.it). (literal)
- Titolo
- SAR and InSAR for flood monitoring: examples with COSMO-SkyMed data (literal)
- Abstract
- We apply high-resolution, X-band, stripmap COSMO-SkyMed data to the monitoring of flood events in the Basilicata region (Southern Italy), where multitemporal datasets are available with short spatial and temporal baselines, allowing interferometric (InSAR) processing. We show how the use of the interferometric coherence information can help to detect more precisely the areas affected by the flood, reducing false alarms and missed identifications which affect algorithms based on SAR intensity alone. The effectiveness of using the additional InSAR information layer is illustrated by RGB composites of various combinations of intensity and coherence data. Analysis of multitemporal SAR intensity and coherence trends reveals complex behavior of various field types, which we interpret through a Bayesian inference approach, based on a manual identification of representative scattering and coherence signatures of selected homogeneous fields. The approach allows to integrate external, ancillary information to derive a posteriori probabilistic maps of flood inundation accounting for different scattering responses to the presence of water. First results of this semiautomated methodology, using simple assumptions for the SAR signatures and a priori information based on the distance from river courses, show encouraging results, and open a path to improvement through use of more complex hydrologic and topo-hydrographic information. (literal)
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