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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Modeling watershed response in semiarid regions with high-resolution synthetic aperture radars
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume 7, No. 7, Article 6805161, Year 2014
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Description
In this paper, we propose a methodology devoted to exploit the outstanding characteristics of COSMO-SkyMed for monitoring water bodies in semiarid countries at a scale never experienced before. The proposed approach, based on appropriate registration, calibration, and processing of synthetic aperture radar (SAR) data, allows outperforming the previously available methods for monitoring small reservoirs, mainly carried out with optical data, and severely limited by the presence of cloud coverage, which is a frequent condition in wet season. A tool has been developed for computing the water volumes retained in small reservoirs based on SAR-derived digital elevation model. These data have been used to derive a relationship between storage volumes and surface areas that can be used when bathymetric information is unavailable. Due to the lack of direct measures of river's discharge, the time evolution of water volumes retained at reservoirs has been used to validate a simple rainfall-runoff hydrological model that can provide useful recommendation for the management of small reservoirs. Operational scenarios concerning the improvement in the efficiency of reservoirs management and the estimation of their impact on downstream area point out the applicative outcomes of the proposed method. © 2014 IEEE.
Authors & Co-Authors
Amitrano, Donato
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Ciervo, Fabio
Italy, Salerno
Università Degli Studi Di Salerno
Di Martino, Gerardo
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Papa, Maria Nicolina
Italy, Salerno
Università Degli Studi Di Salerno
Iodice, Antonio
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Koussoubé, Youssouf
Burkina Faso, Ouagadougou
University of Ouagadougou
Mitidieri, Francesco
Italy, Salerno
Università Degli Studi Di Salerno
Riccio, Daniele
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Ruello, Giuseppe
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Statistics
Citations: 24
Authors: 9
Affiliations: 3
Identifiers
Doi:
10.1109/JSTARS.2014.2313230
ISSN:
19391404
e-ISSN:
21511535
Research Areas
Environmental
Health System And Policy