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Listening to glaciers: Passive hydroacoustics near marine-terminating glaciers

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Full Publication: http://dx.doi.org/10.5670/oceanog.2012.81

Product Type: Journal Article

Year: 2012

Authors: Pettit, E. C., J. A. Nystuen, and S. R. O'Neel


Suggested Citation:
Pettit, E. C., J. A. Nystuen, and S. R. O'Neel. 2012. Listening to glaciers: Passive hydroacoustics near marine-terminating glaciers. Oceanography 25(3):104-105. doi:10.5670/oceanog.2012.81

Abstract


The catastrophic breakup of the Larsen B Ice Shelf in the Weddell Sea in 2002 paints a vivid portrait of the effects of glacier-climate interactions. This event, along with other unexpected episodes of rapid mass loss from marine-terminating glaciers (i.e., tidewater glaciers, outlet glaciers, ice streams, ice shelves) sparked intensified study of the boundaries where marine-terminating glaciers interact with the ocean. These dynamic and dangerous boundaries require creative methods of observation and measurement. Toward this effort, we take advantage of the exceptional sound-propagating properties of seawater to record and interpret sounds generated at these glacial ice-ocean boundaries from distances safe for instrument deployment and operation.

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