{"refrec":{"BRefID":211441,"RR":"<b>Carriere, O.; Hermand, J.P.</b> (2008). Dynamic estimation of the sound-speed field in Mediterranean coastal waters, <b><i>in</i></b>: IEEE (Ed.) <i>Oceans '08 MTS/IEEE Kobe-Techno-Ocean '08. Voyage Toward the Future, Kobe, Japan, April 8-11, 2008. Oceans (New York),</i> 1-3: pp. 708-713. <a href=\"https://dx.doi.org/10.1109/OCEANSKOBE.2008.4531017\" target=\"_blank\">https://dx.doi.org/10.1109/OCEANSKOBE.2008.4531017</a>","BEntID":203363,"PublicFlag":1,"CheckedFlag":1,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: IEEE (Ed.) <i>Oceans '08 MTS/IEEE Kobe-Techno-Ocean '08. Voyage Toward the Future, Kobe, Japan, April 8-11, 2008. Oceans (New York),</i> 1-3: pp. 708-713. <a href=\"https://dx.doi.org/10.1109/OCEANSKOBE.2008.4531017\" target=\"_blank\">https://dx.doi.org/10.1109/OCEANSKOBE.2008.4531017</a>","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Carriere, O.; Hermand, J.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Carriere, O.; Hermand, J.P.","Englishabstract":"The acoustic monitoring of space- and time-dependent structures in coastal waters constitutes a complex inverse problem which is attractive to physical oceanography. In this work the use of a nonlinear Kalman filtering scheme is investigated for tracking the evolution of the sound-speed field in a vertical section of a shallow water environment, taking into account the bottom acoustic properties. In support of the MREA/BP'07 experiment southeast of Elba, Italy, prediction results from the NCOM oceanic model provide realistic scenarios to test the tracking algorithm. Constraints in the form of range-distributed observations such as the sea surface temperature (SST) are added in an attempt to obtain uniqueness of the solution. This paper shows that the formulation of the range-resolving inverse problem in a state-space model allows implementing a Kalman-based processor that effectively track the time variations of the 2-D sound-speed field. Furthermore, the estimations are enhanced by using an unscented Kalman filter (UKF) in place of the standard extended Kalman filter (EKF).","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Dynamic estimation of the sound-speed field in Mediterranean coastal waters","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"coastal acoustic tomography; unscented Kalman filter; empirical","OtherDescriptors":null,"Notes":null,"AnaPub":2008,"MonPub":null,"DateUpdate":"2020-11-04","DateCreate":"2011-12-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000257943100119","VABBcode":null,"OpenAcc":0,"DOI":"10.1109/OCEANSKOBE.2008.4531017"},"refs":null,"anarec":{"AnaID":211441,"PubliDate":2008,"Pagination":"708-713","XtraPublOfAnaID":null,"ISBN":"978-1-4244-2125-1","Volume":"1-3","Issue":null,"BRefMon":210448,"BRefMonRR":"<b>IEEE (Ed.)</b> (2008). 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