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Degrees:
B.A., 1976, (Highest Honors) University of California, Berkeley, Statistics
M.A., 1981, University of California, Berkeley, Geophysics
Ph.D., 1990, University of California, San Diego, Oceanography
Research Interest:
Coupling of underwater acoustic, air acoustic, and seismic wavefields; simultaneous measurements of acoustic particle velocity, acoustic pressure and acoustic strain rate; geophysical inversions with sources of opportunity; ocean and atmospheric infrasonic propagation in support of the CTBT; ocean ambient noise; shallow water MFP; invariants of waveguide propagation; biological sounds including marine mammal vocalizations and fish choruses; synthetic apertures in the ocean.
Awards and Honors:
Phi Beta Kappa, 1976
Friends and Associates of the Earth Sciences Fellowship, 1978
Professional Societies:
Acoustical Society of America (Member)
American Geophysical Union (Member)
Sigma Xi (Member)
Publications:
D'Spain, G. L., Kuperman, W. A., Orcutt, J. A., and Hedlin, M. A. H., "Long range localization of impulsive sources in the atmosphere and ocean from focus regions in single element spectrograms," Proc. of 22nd Annual Seismic Research Symposium: Technol. for Monitoring the Comprehensive Nuclear Test Ban Treaty, (2000).
D'Spain, G. L., Kuperman, W. A., and Murray, J. J., "Matchless field processing in shallow water," invited for the Oceans 2000 Conference, Sept. (2000).
D'Spain, G. L., "Polarization of acoustic particle motion in the ocean and its relation to vector acoustic intensity," invited for Proc. 2nd Int'l Workshop on Acoustical Engin. and Technol., Harbin, China, pp. 149-164 (1999).
D'Spain, G. L., Murray, J. J., Hodgkiss, W. S., Booth, N. O., and Schey, P. W., "Mirages in shallow water matched field processing," J. Acoust. Soc. Am. 105(6), 3245-3265 (1999).
D'Spain, G. L. and Kuperman, W. A. "Application of Waveguide Invariants to Analysis of Spectrograms from Shallow Water Environments that Vary in Range and Azimuth", J. Acoust. Soc. Am., 106(5), pp. 2454-2468 (1999).
Thode, A. M., Kuperman, W. A., D'Spain, G. L., and Hodgkiss, W. S., "Localization using Bartlett matched-field processor sidelobes," J. Acoust. Soc. Am. 107 (1), 278-286 (2000).
D'Spain, G. L., Berger, L. P., Kuperman, W. A., Hodgkiss, W. S., Dorman, L. M., and Gaines, W. A., "Observations of land vehicle activity and other land-based sounds with offshore underwater acoustic arrays", accepted for publ. in J. Acoust. Soc. Am., (2001).
Booth, N. O., Baxley, P. A., Rice, J. A., Schey, P. W., Hodgkiss, W. S., D'Spain, G. L., and Murray,
J. J., "Source localization with broad-band matched- field processing in shallow water," IEEE J. Ocean. Engin., Vol 21(4), pp. 402-412 (1996).
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