Ocean temperature and salinity inverted from combined hydrographic and seismic data

Details Ocean temperature and salinity inverted from combined hydrographic and seismic data Ocean temperature and salinity inverted from combined hydrographic and seismic data

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3704601p&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 4, CiteID L04601

Physics

Geophysics

1

Exploration Geophysics: Oceanic Structures, Marine Geology And Geophysics: Marine Seismics (0935, 7294), Exploration Geophysics: Seismic Methods (3025, 7294), Oceanography: General: Ocean Acoustics, Oceanography: Physical: Eddies And Mesoscale Processes

Scientific paper

Recently seismic reflection methods have been successfully applied to oceanographic issues. Here, we present a new approach, combining XBT and CTD surveys with seismic observations, to visualize long sections with a resolution down to a few meters. The challenge to a full investigation of mixing processes has been the tremendous span of spatial scales ranging from hundreds of kilometers to centimeters. Traditional hydrographic observations could only resolve the large scale effects by measuring temperature and salinity profiles at discrete locations typically several kilometers apart, whereas dedicated localized measurements allowed investigation of the ocean fine structure at the other end of the spatial spectrum. The intermediate scales have in contrast been difficult to observe systematically. Here we present temperature and salinity data inverted from seismic observations that cover the intermediate scales and provide a new approach to image mesoscale processes and allow the investigation of their dynamics at unprecedented resolution.

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