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

Klaeschen, Dirk , Hobbs, R. W., Krahmann, Gerd , Papenberg, Cord and Vsemirnova, E. (2009) Estimating movement of reflectors in the water column using seismic oceanography. Open Access Geophysical Research Letters, 36 . L00D03. DOI 10.1029/2009GL038973.

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Abstract

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.

Document Type: Article
Keywords: seismic oceanography; POS350; R.V. Poseidon
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-PO Physical Oceanography
OceanRep > The Future Ocean - Cluster of Excellence
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1029/2009GL038973
ISSN: 0094-8276
Projects: Future Ocean
Expeditions/Models/Experiments:
Date Deposited: 09 Dec 2009 11:02
Last Modified: 27 Jul 2017 13:38
URI: http://oceanrep.geomar.de/id/eprint/4468

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