July 1997 VOLUME 22 NUMBER 3 IJOEDY(ISSN 0364-9059)


 SPECIAL ISSUE ON Shallow-water acoustics II

NONTECHNICAL CONTENT
Front cover and table of contents
Back cover

GUEST EDITORIAL
James F. Lynch Guest Editorial 409

SPECIAL ISSUE PAPERS
Sarah J. Bass and Alex E. Hay Ambient noise in the natural surf zone: Wave-breaking frequencies 411
Oscar B. Wilson, Marc S. Stewart, James H. Wilson, and Robert H. Bourke Noise source level density due to surf--Part I: Monterey Bay, CA 425
Josette Paquin Fabre and James H. Wilson Noise source level density due to surf--Part II. Duck, NC 434
Peter H. Wiebe, Timothy K. Stanton, Mark C. Benfield, David G. Mountain, and Charles H. Greene High-frequency acoustic volume backscattering in the Georges Bank coastal region and its interpretation using scattering models 445
John R. Apel, Mohsen Badiey, Ching-Sang Chiu, Steven Finette, Robert Headrick, John Kemp, James F. Lynch, Arthur Newhall, Marshall H. Orr, Bruce H. Pasewark, Dirk Tielbuerger, Altan Turgut, Keith Von Der Heydt, and Stephen Wolf An overview of the 1995 SWARM shallow-water internal wave acoustic scattering experiment 465
Kazuhiko Ohta and George V. Frisk Modal evolution and inversion for seabed geoacoustic properties in weakly range-dependent shallow-water waveguides 501
Ching-Sang Chiu, Christopher W. Miller, and James F. Lynch Optimal modal beamforming of bandpass signals using an undersized sparse vertical hydrophone array: Theory and a shallow-water experiment 522
Peter G. Cable, Karen D. Frech, James C. O'Connor, and J. Michael Steele Reverberation-derived shallow-water bottom scattering strength 534
Juan I. Arvelo and Xavier A. Zabal Reverberation rejection via modeforming with a vertical line array 541

REGULAR ISSUE PAPERS
William M. Carey, James W. Reese, and Charles E. Stuart Mid-frequency measurements of array signal and noise characteristics 548
Kainam T. Wong and Michael D. Zoltowski Closed-form underwater acoustic direction-finding with arbitrarily spaced vector hydrophones at unknown locations 566
Steven A. Stotts, James L. Martin, and Nancy R. Bedford Multiple-source localization using GPS technology and received arrival time structure analysis in an air-deployed system 576