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Recover of temperature, salinity and potential density from acoustic reflectivity in the ocean

AutorBiescas, Berta ; Ruddick, Barry; Nedimovic, Mladen R.; Sallarès, Valentí ; Bornstein, G. ; Mojica, J.F.
Fecha de publicación24-feb-2014
Citación2014 Ocean Sciences Meeting (2014)
ResumenWe present the inversion of temperature, salinity and potential density from time and space-coincident acoustic reflectivity and XBT data in the Gulf of Cadiz, NE Atlantic Ocean. This method recovers low frequency content (< 10 Hz) of the impedance from XBTs and the high frequency content (> 10 Hz) from acoustic reflectivity. Afterwards, maps of temperature and salinity are calculated from impedance using the GSW equations of state and an empirical T-S relation obtained with Neural Networks. This method allows to recover the main physical oceanographic parameters in the ocean with accuracies of δTsd = 0.1oC, δSsd = 0.09 and δρsd = 0.02kg/m3 for temperature, salinity and potential density respectively, along lateral sections of hundreds of km, covering all the full-depth water column and with vertical and lateral resolutions of 10 m and 100 m, respectively. Acoustic reflectors and inverted potential density are eventually compared to better understanding the contribution of the acoustic reflectivity to the physic observation of the ocean
Descripción17th Ocean Sciences Meeting, 23-28 February 2014, Honolulu, Hawaii USA
Versión del editorhttp://www.sgmeet.com/osm2014/viewabstract.asp?AbstractID=14173
Aparece en las colecciones: (ICM) Comunicaciones congresos
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