October 1990 VOLUME 15 NUMBER 4 IJOEDY(ISSN 0364-9059)


 SPECIAL ISSUE ON Sea surface-generated ambient noise: 20-2000 HZ

NONTECHNICAL CONTENT
Front cover and table of contents
Back cover

GUEST EDITORIAL
William M. Carey and Edward C. Monahan Guest Editorial 265

SPECIAL ISSUE PAPERS
Hugh C. Pumphrey and John E.  Ffowcs Williams Bubbles as sources of ambient noise 268
Nan Q. Lu, Andrea Prosperetti, and Suk Wang Yoon Underwater noise emissions from bubble clouds 275
Robert H. Mellen Experimental investigation of the wave-interaction mechanism for ambient noise 282
David E. Hollinberger and David W. Bruder Ambient noise data logger buoy 286
Jack A. Shooter, Thomas E. DeMary, and August F. Wittenborn Depth dependence of noise resulting from ship traffic and wind 292
Robert M. Kennedy and Teri V. Goodnow Measuring the vertical directional spectra caused by sea surface sound 299
Ralph Marrett and N. Ross Chapman Low-frequency ambient-noise measurements in the South Fiji basin 311
Barbara J. Sotirin, Jean-Marie Q. D. Tran, and Williams S. Hodgkiss Jr. Matched field processing of deep-water ambient noise 316
William M. Carey, Richard B. Evans, James A. Davis, and George Botseas Deep-ocean vertical noise directionality 324
William S. Hodgkiss Jr. and Frederick H. Fisher Vertical directionality of ambient noise at 32°N as a function of longitude and wind speed 335
Edward C. Monahan and Mingzhi Lu Acoustically relevant bubble assemblages and their dependence on meteorological parameters 340

REGULAR ISSUE PAPERS
Haruyoshi Matsumoto Characteristics of SeaMARC II phase data 350
Edward Y. T. Kuo Low-frequency acoustic wave-scattering phenomena under ice cover 361
F. Yates Sorrell, Thomas B. Curtin, and Michael D. Feezor An electromagnetic current meter-based system for application in unsteady flows 373

COMMUNICATIONS
Mark Wimbush, Stephen M. Chiswell, Roger Lukas, and Kathleen A. Donohue Inverted echo sounder measurement of dynamic height through an ENSO cycle in the central equatorial Pacific 380