| Abstract: | We show that microbaroms, continuous infrasound fluctuations resulting from the interaction of the ocean with the atmosphere, have long-range correlation properties that make it possible to estimate the impulse response between two microphones from passive recordings. The processing is analogous to methods employed in the emerging field of ambient noise seismology, where the random noise source is the ocean coupling with the solid Earth (microseisms) instead of the atmosphere (microbaroms). We find that time-dependent temperature fields and temperature inversions determine the character of infrasonic impulse responses at Fourpeaked Volcano in Alaska. Applications include imaging and monitoring the gross structure of the Earth‘s atmospheric boundary layer. Copyright 2009 by the American Geophysical Union. |
| Genre: | Article |
| ProdID: | 70035994 |
| Citation Author: | Haney, M. M. |
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| Citation Issue: | 19 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geophysical Research Letters |
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| Citation Search Results Text: | Infrasonic ambient noise interferometry from correlations of microbaroms; 2009; Article; Journal; Geophysical Research Letters; Haney, M. M. |
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| Citation Volume: | 36 |
| Citation Year: | 2009 |
| Type: | citation/reference |
| Text: | Infrasonic ambient noise interferometry from correlations of microbaroms; 2009; Article; Journal; Geophysical Research Letters; Haney, M. M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1029/2009GL040179 |
| Date Other: | Thu, 1 Jan 2009 00:00 -0600 |
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