Physics
Scientific paper
Sep 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3317502m&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 17, CiteID L17502
Physics
17
Cryosphere: Icebergs, Cryosphere: Glaciology (1621, 1827, 1863), Cryosphere: Ice Shelves, Oceanography: Physical: Surface Waves And Tides (1222), Seismology: General Or Miscellaneous
Scientific paper
We deployed seismometers on the Ross Ice Shelf and on various icebergs adrift in the Ross Sea (including B15A, a large 100 km by 30 km fragment of B15, which calved from the Ross Ice Shelf in March, 2000). The data reveal that the dominant energy of these floating ice masses is in the 0.01 to 0.1 Hz band, and is associated with sea swell generated in the tropical and extra-tropical Pacific Ocean. In one example, a strong storm in the Gulf of Alaska on 21 October 2005, approximately 13,500 km from the Ross Sea, generated swell that arrived at B15A immediately prior to, and during, its break-up off Cape Adare on 27 October 2005. If sea swell influences iceberg calving and break-up, a teleconnection exists between the Antarctic ice sheet mass balance and weather systems worldwide.
Aster Richard C.
Bassis Jeremy N.
Brunt Kelly M.
Cathles Lawrence M.
Drucker Robert
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