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Keywords: microseism
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Journal Articles
J Exp Biol (2013) 216 (4): 687–699.
Published: 15 February 2013
... come from the ubiquitous ground-to-air coupling of microseismic waves in steep-sided terrain. Microseisms are composed mostly of surface waves continuously generated in the solid earth by non-linear interactions of oceanic waves with similar frequencies traveling in nearly opposite directions...
Includes: Supplementary data
Journal Articles
J Exp Biol (2000) 203 (7): 1103–1111.
Published: 1 April 2000
... ). The frequency of the 6 s microseism peak is approximately 0.14 Hz, and the surface vertical displacement velocity is approximately 10 −3 cm s −1 ( Bullen and Bolt, 1985 ; Aki and Richards, 1980 ). To be useful to the avian navigational system, 6 s microseismic waves must be transformed into audible (to birds...