{"refrec":{"BRefID":215875,"RR":"<b>Carrière, O.; Hermand, J.-P.; Stephan, Y.</b> (2008). A simulation study of shallow water tomography for coastal monitoring. <i>J. Acoust. Soc. Am. 123(5)</i>: 3912. <a href=\"http://dx.doi.org/10.1121/1.2935916\" target=\"_blank\">dx.doi.org/10.1121/1.2935916</a>","BEntID":207631,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Acoust. Soc. Am. 123(5)</i>: 3912. <a href=\"https://dx.doi.org/10.1121/1.2935916\" target=\"_blank\">https://dx.doi.org/10.1121/1.2935916</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Carrière, O.; Hermand, J.-P.; Stephan, Y.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Carrière, O. <i>et al.</i>","Englishabstract":"Developing operational oceanographic models for coastal environment is an exciting challenge for the next decades. The typical sparsity of assimilated <i>in-situ</i> observations often creates biases in the model predictions reducing the overall accuracy of the forecasting. In such a highly dynamic environment, acoustic tomography can be a good candidate to provide synoptic measurements over wide areas while a range-dependent inversion scheme allows to achieve a reasonable spatial resolution. In this work, we present simulation results of a Kalman-based assimilation of ocean-acoustic data for a basic model of the Ushant front west off Britanny. In a first part, a single vertical slice tomography experiment is simulated for a static front model to study in which way the modal propagation of a multifrequency acoustic signal is affected by the characteristics of the front (position, intensity). 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