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First study to show that seismic imaging detects ocean's internal tides

Date:
January 30, 2010
Source:
American Geophysical Union
Summary:
Internal tides, waves below the ocean's surface that propagate at tidal frequencies, play an important role in ocean mixing but can be difficult to detect and study. Researchers find they can detect these waves with seismic imaging.

Internal tides, waves below the ocean's surface that propagate at tidal frequencies, play an important role in ocean mixing but can be difficult to detect and study.

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Holbrook et al. found they can detect these waves with seismic imaging. Using seismic data acquired in the Norwegian Sea, the authors observed bands of reflections that indicate internal tides.

The study is the first to show that seismic imaging can be used to detect internal tides and demonstrates that seismic oceanography could be an important tool in the study of ocean mixing.

The research appears in the journal Geophysical Research Letters.

Authors include W. Steven Holbrook, Department of Geology and Geophysics, University of Wyoming; Ilker Fer, Geophysical Institute, University of Bergen; Raymond W. Schmitt, Department of Physical Oceanography, Woods Hole Oceanographic Institution.


Story Source:

The above story is based on materials provided by American Geophysical Union. Note: Materials may be edited for content and length.


Journal Reference:

  1. Holbrook et al. Images of internal tides near the Norwegian continental slope. Geophysical Research Letters, 2009; 36L00D10 DOI: 10.1029/2009GL038909

Cite This Page:

American Geophysical Union. "First study to show that seismic imaging detects ocean's internal tides." ScienceDaily. ScienceDaily, 30 January 2010. <www.sciencedaily.com/releases/2010/01/100121163915.htm>.
American Geophysical Union. (2010, January 30). First study to show that seismic imaging detects ocean's internal tides. ScienceDaily. Retrieved December 20, 2014 from www.sciencedaily.com/releases/2010/01/100121163915.htm
American Geophysical Union. "First study to show that seismic imaging detects ocean's internal tides." ScienceDaily. www.sciencedaily.com/releases/2010/01/100121163915.htm (accessed December 20, 2014).

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