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dc.contributor.authorRoca Sancho, Jordi
dc.contributor.authorBerenguer Ferrer, Marc
dc.contributor.authorSempere Torres, Daniel
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica
dc.date.accessioned2011-10-07T12:07:28Z
dc.date.available2015-03-25T16:17:20Z
dc.date.created2011
dc.date.issued2011
dc.identifier.citationRoca, J.; Berenguer, M.; Sempere, D. A variational approach to retrieve 3D radar reflectivity composites. A: Conference on Radar Meteorology. "35th Conference on Radar Meteorology". Pittsburgh: American Meteorological Society, 2011, p. 127-1-127-6.
dc.identifier.urihttp://hdl.handle.net/2117/13456
dc.description.abstractThis study proposes an alternative methodology to obtain high-resolution radar reflectivity composites based on a variational approach considering different error sources in an explicit manner. The methodology retrieves the 3-dimensional precipitation field most compatible with the observations from the different radars of the network. With this aim, the methodology uses a model that simulates the radar sampling of the atmosphere. The model settings are different for each radar and include features such as the radar location, hardware parameters (beam width, pulse length…) and the scan strategy. The methodology follows the concept of an inverse method based on the minimization of a cost function that penalizes discrepancies between the simulated and actual observations for each radar. The simulation model is able to reproduce the effect of beam broadening with the distance and attenuation by intense precipitation. The methodology has been applied on two radars close to Barcelona (Spain).
dc.language.isoeng
dc.publisherAmerican Meteorological Society
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Geologia::Hidrologia
dc.subject.lcshHydrometeorology
dc.subject.lcshRadar meteorology
dc.titleA variational approach to retrieve 3D radar reflectivity composites
dc.typeConference lecture
dc.subject.lemacHidrometeorologia
dc.subject.lemacMeteorologia -- Instruments
dc.subject.lemacMeteorologia -- Catalunya -- Observacions
dc.contributor.groupUniversitat Politècnica de Catalunya. CRAHI - Centre de Recerca Aplicada en Hidrometeorologia
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://ams.confex.com/ams/35Radar/webprogram/Manuscript/Paper191426/Roca-Sancho_AMS2011.pdf
dc.rights.accessOpen Access
drac.iddocument5999716
dc.description.versionPostprint (published version)
upcommons.citation.authorRoca, J.; Berenguer, M.; Sempere, D.
upcommons.citation.contributorConference on Radar Meteorology
upcommons.citation.pubplacePittsburgh
upcommons.citation.publishedtrue
upcommons.citation.publicationName35th Conference on Radar Meteorology
upcommons.citation.startingPage127-1
upcommons.citation.endingPage127-6


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