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Preliminary Assessment of SARAL/AltiKa Observations over the Ganges-Brahmaputra and Irrawaddy Rivers

dc.rights.licenseopenen_US
dc.contributor.authorFRAPPART, F.
dc.contributor.authorPAPA, Fabrice
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMARIEU, Vincent
dc.contributor.authorMALBETEAU, Y.
dc.contributor.authorJORDY, F.
dc.contributor.authorCALMANT, Stéphane
dc.contributor.authorDURAND, Fabien
dc.contributor.authorBALA, S.
dc.date.accessioned2024-05-28T11:57:52Z
dc.date.available2024-05-28T11:57:52Z
dc.date.issued2015-01-20
dc.identifier.issn0149-0419en_US
dc.identifier.urihttps://www.researchgate.net/publication/276238641_Preliminary_Assessment_of_SARALAltiKa_Observations_over_the_Ganges-Brahmaputra_and_Irrawaddy_Rivers
dc.identifier.urioai:crossref.org:10.1080/01490419.2014.990591
dc.identifier.urioai:researchgate.net:276238641
dc.identifier.urioadoi:http://www.documentation.ird.fr/hor/fdi:010065333
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/200092
dc.description.abstractEnRadar altimetry has demonstrated strong capabilities for the monitoring of water levels of lakes, rivers and wetlands over the last 20 years. The Indo-French SARAL/AltiKa mission, launched in February 2013, is the first satellite radar altimetry mission to carry onboard a Ka-band sensor. We propose here to evaluate the potential of this new instrument for land hydrology through comparisons with other altimetry-derived stages and discharges in the Ganges-Brahmaputra and Irrawaddy river basins using its first year of data. Due to the lack of concomitant in situ measurements for the current period, Jason-2 data, previously evaluated against in situ gauge records, were used as reference. Comparisons between Jason-2 and SARAL-derived water levels and discharges, and Jason-2 and Envisat (which flew the same orbit as SARAL from 2002 to 2010) –derived ones, was performed. Time-series of only one year of SARAL-derived water levels and discharges present better performances (lower RMSE and higher R, generally greater than 0.95) than the ones derived from Envisat when compared to Jason-2.
dc.language.isoENen_US
dc.sourcecrossref
dc.sourceresearchgate
dc.sourceoadoi_repo
dc.subject.enSatellite altimetry
dc.subject.envalidation
dc.subject.enwater level
dc.subject.endischarge
dc.title.enPreliminary Assessment of SARAL/AltiKa Observations over the Ganges-Brahmaputra and Irrawaddy Rivers
dc.typeArticle de revueen_US
dc.identifier.doi10.1080/01490419.2014.990591en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalMarine Geodesyen_US
bordeaux.page568-580en_US
bordeaux.volume38en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issuesup1en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamMETHYSen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04590739
hal.version1
hal.date.transferred2024-05-28T11:57:54Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Marine%20Geodesy&rft.date=2015-01-20&rft.volume=38&rft.issue=sup1&rft.spage=568-580&rft.epage=568-580&rft.eissn=0149-0419&rft.issn=0149-0419&rft.au=FRAPPART,%20F.&PAPA,%20Fabrice&MARIEU,%20Vincent&MALBETEAU,%20Y.&JORDY,%20F.&rft.genre=article


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