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dc.creatorVerhoest, Niko E. C.es_ES
dc.creatorLievens, Hanses_ES
dc.creatorWagner, Wolfganges_ES
dc.creatorÁlvarez Mozos, Jesúses_ES
dc.creatorMoran, M. Susanes_ES
dc.creatorMattia, Francescoes_ES
dc.date.accessioned2014-05-29T12:37:28Z
dc.date.available2014-05-29T12:37:28Z
dc.date.issued2008
dc.identifier.issn1424-8220
dc.identifier.other741
dc.identifier.urihttps://hdl.handle.net/2454/10665
dc.description.abstractSynthetic Aperture Radar has shown its large potential for retrieving soil moisture maps at regional scales. However, since the backscattered signal is determined by several surface characteristics, the retrieval of soil moisture is an ill-posed problem when using single configuration imagery. Unless accurate surface roughness parameter values are available, retrieving soil moisture from radar backscatter usually provides inaccurate estimates. The characterization of soil roughness is not fully understood, and a large range of roughness parameter values can be obtained for the same surface when different measurement methodologies are used. In this paper, a literature review is made that summarizes the problems encountered when parameterizing soil roughness as well as the reported impact of the errors made on the retrieved soil moisture. A number of suggestions were made for resolving issues in roughness parameterization and studying the impact of these roughness problems on the soil moisture retrieval accuracy and scale.en
dc.description.sponsorshipPart of the research presented in this paper, as performed by the first two authors, is funded by the Belgian Science Policy Office in the frame of the Stereo II programme - project SR/00/100.en
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherMDPIen
dc.relation.ispartofSensors, 2008, 8(7). Págs. 4213-4248en
dc.rights© 2008 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland. This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).en
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.subjectSoil roughnessen
dc.subjectSoil moisture retrievalen
dc.subjectSynthetic aperture radaren
dc.subjectUncertaintyen
dc.subjectIntegral equation modelen
dc.subjectMicrowave backscatter dependenceen
dc.subjectA priori informationen
dc.subjectSar dataen
dc.subjectC banden
dc.subjectPolarimetric saren
dc.subjectAgriculturalen
dc.subjectFieldsen
dc.subjectProfile meteren
dc.subjectLaser scanneren
dc.subjectWet soilen
dc.titleOn the soil roughness parameterization problem in soil moisture retrieval of bare surfaces from synthetic aperture radaren
dc.typeArtículo / Artikuluaes
dc.typeinfo:eu-repo/semantics/articleen
dc.contributor.affiliationNafarroako Unibertsitate Publikoa. Landa Ingeniaritza eta Proiektuak Sailaeu
dc.contributor.affiliationUniversidad Pública de Navarra. Departamento de Proyectos e Ingeniería Rurales_ES
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.identifier.doi10.3390/s8074213
dc.relation.publisherversionhttps://dx.doi.org/10.3390/s8074213
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dc.type.versioninfo:eu-repo/semantics/publishedVersionen


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© 2008 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland. This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Except where otherwise noted, this item's license is described as © 2008 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland. This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).