Physics – Geophysics
Scientific paper
Jul 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3514609h&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 14, CiteID L14609
Physics
Geophysics
3
Atmospheric Processes: Acoustic-Gravity Waves, Atmospheric Processes: Tropical Meteorology, Oceanography: Physical: Air/Sea Interactions (0312, 3339), Marine Geology And Geophysics: General Or Miscellaneous, Seismology: Surface Waves And Free Oscillations
Scientific paper
Infrasound signals in the microbarom band (about 0.2 Hz) generated by hurricanes often do not appear to originate near the eye where the winds are strongest. This paper suggests that conditions conducive to microbarom (and microseism) generation can occur along the trailing periphery of the storm through the interaction of the storm-generated wavefield with the ambient swell field, resulting in detection bearings that vary from the center of the storm by up to 20 degrees. Infrasound data from Typhoon Usagi (2007) is presented that supports this theory.
Bass Henry E.
Gilbert Kenneth E.
Hetzer Claus H.
Talmadge Carrick L.
Waxler Roger
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