Estimating movement of reflectors in the water column using seismic oceanography

Details Estimating movement of reflectors in the water column using seismic oceanography Estimating movement of reflectors in the water column using seismic oceanography

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3600d03k&link_type=abstract

Geophysical Research Letters, Volume 36, Issue 36, CiteID L00D03

Physics

Geophysics

5

Oceanography: Physical: Eddies And Mesoscale Processes, Oceanography: Physical: Currents, Oceanography: Physical: Upper Ocean And Mixed Layer Processes, Exploration Geophysics: Seismic Methods (3025, 7294)

Scientific paper

The observation of spatial and temporal dynamics of the ocean is fundamental to understand global and regional aspects of water mixing. Physical oceanography has traditionally observed ocean structures with in situ measurements, often limited in temporal and/or spatial resolution. In exploration seismology a set of techniques has been developed over the last decades to image and characterize the physical properties of sub-seafloor structures by inversion methods at high horizontal resolution. The two different fields have made contact in seismic oceanography where the well developed methods of marine reflection seismology have been applied to the dynamic ocean. However, one aspect, so far ignored in seismic oceanography, is the dynamical, temporally varying nature of water structures. Here we show that it is possible to estimate temporal variations of reflectors in water structures as an inversion parameter. The new dynamic property reflector movement velocity gives an additional parameter to characterize ocean water dynamics.

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