Accession Number:

ADA440255

Title:

Evidence for an Infrasound Waveguide

Descriptive Note:

Corporate Author:

SOUTHERN METHODIST UNIV DALLAS TX DEPTOF GEOLOGICAL SCIENCES

Report Date:

2005-11-01

Pagination or Media Count:

8.0

Abstract:

On May 30, 2005, eight strongly dispersed infrasound signals were recorded at one seismo-acoustic array in the Republic of Korea. Phase-matched filtering Herrin Goforth, 1977 and a forward modeling technique were used to determine the nature of the dispersion. The most likely explanation for these dispersed infrasound signals is that the dispersion is due to propagation down a low-velocity waveguide This can be characterized as an ephemeral SOFAR layer in the atmosphere.

Subject Categories:

  • Acoustics
  • Acoustic Detection and Detectors
  • Seismic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE