People

Michael G. Brown

Michael G. Brown

Professor and Graduate Program Director Department of Ocean Sciences

RSMAS/AMP
University of Miami
4600 Rickenbacker Causeway
Miami, FL 33149

MSC 318

Tel: 305.421.4640
mbrown@rsmas.miami.edu

Lab Website

Google Scholar Profile

underwater sound propagation, Lagrangian dynamics and transport processes in the ocean and atmosphere, surface gravity wave dynamics.

   Brown, M. G., W. H. Munk, J. L. Spiesberger and P. F. Worcester, 1980, Long-range acoustic transmission in the northwest Atlantic, J. Geophys. Res. 85, 2699-2703.
  
   Brown, M. G., 1982, Application of the WKBJ Green's function to acoustic propagation in horizontally stratified oceans, J. Acoust. Soc. Am. 71, 1427-1432.
  
   The Ocean Tomography Group: D. Behringer, T. Birdsall, M. Brown, B. Cornuelle, R. Heinmiller, R. Knox, K. Metzger, W. Munk, J. Spiesberger, R. Spindel, D. Webb, P. Worcester and C. Wunsch, 1982, A demonstration of ocean acoustic tomography, Nature 299, 121-125.
  
   Brown, M. G., 1984, Linearized travel time, intensity, and waveform inversions in the ocean sound channel - A comparision, J. Acoust. Soc. Am. 75, 1451-1461.
  
   Cornuelle, B., C. Wunsch, D. Behringer, T. Birdsall, M. Brown, R. Heinmiller, R. Knox, K. Metzger, W. Munk, J. Spiesberger, R. Spindel, D. Webb and P. Worcester, 1985, Tomographic maps of the ocean mesoscale - 1: Pure acoustics, J. Phys. Ocean. 15, 133-152.
  
   Brown, M. G., 1986, The transient wavefields in the vicinity of the cuspoid caustics, J. Acoust. Soc. Am. 79, 1367-1384.
  
   Brown, M. G., 1986, The transient wavefields in the vicinity of the elliptic, hyperbolic and parabolic umbilic caustics, J. Acoust. Soc. Am. 79, 1385-1401.
  
   Brown, M. G., and F. D. Tappert, 1986, Causality, caustics and the structure of transient wave-fields, J. Acoust. Soc. Am. 80, 251-255.
  
   Brown, M. G., and F. D. Tappert, 1987, Catastrophe theory, caustics and travel time diagrams in seismology, Geophys. J. Roy. Astr. Soc. 88, 217-229.
  
   Brown, M. G., 1987, On the singularity index and the unfolding of the diffraction catastrophes, Wave Motion 9, 107-110.
  
   Palmer, D. R., M. G. Brown, F. D. Tappert and H. F. Bezdek, 1988, Classical chaos in nonseparable wave propagation problems, Geophys. Res. Lett. 15, 569-572.
  
   Brown, M. G., and K. B. Smith, 1990, Are SOFAR float trajectories chaotic?, J. Phys. Ocean. 20, 139-149.
  
   Brown, M. G., F. D. Tappert and G. J. Goni, 1991, An investigation of sound ray dynamics in a range dependent model of the ocean volume using an area-preserving mapping, Wave Motion 14, 93-99.
  
   Tappert, F. D., M. G. Brown and G. J. Goni, 1991, Weak chaos in an area-preserving mapping for sound ray propagation, Phys. Lett. A 153, 181-185.
  
   Brown, M. G., F. D. Tappert and S. E. R. B. Sundaram, 1991, Chaos in small amplitude surface gravity waves over slowly varying bathymetry, J. Fluid Mech. 227, 35-46.
  
   Brown, M. G., and K. B. Smith, 1991, Ocean stirring and chaotic low-order dynamics, Phys. Fluids A 3, 1186-1192.
  
   Smith, K. B., M. G. Brown and F. D. Tappert, 1992, Ray chaos in underwater acoustics, J. Acoust. Soc. Am. 91, 1939-1949.
  
   Smith, K. B., M. G. Brown and F. D. Tappert, 1992, Acoustic ray chaos induced by mesoscale ocean structure, J. Acoust. Soc. Am. 91, 1950-1959.
  
   Bauer, S. T., and M. G. Brown, 1992, Empirical low-order ENSO dynamics, Geophys. Res. Lett. 19, 2055-2058.
  
   Brown, M. G., 1994, A Maslov-Chapman wavefield representation for wide-angle one-way propagation, Geophys. J. Intl. 116, 513-526.
  
   Brown, M. G., and R. M. Samelson, 1994, Particle motion in vorticity-conserving, two-dimensional incompressible flows, Phys. Fluids 6, 2875-2876.
  
   Tappert, F. D., and M. G. Brown, 1996, Asymptotic phase errors in parabolic approximations to the one-way Helmholtz equation, J. Acoust. Soc. Am. 99, 1405-1413.
  
   Brown, M. G., and F. D. Tappert, 1996, Comments on `Overcoming ray chaos' [J. Acoust. Soc. Am. 95, 3167-3170 (1994)], J. Acoust. Soc. Am. 100, 1234-1239.
  
   Brown, M. G., J. Viechnicki and F. D. Tappert, 1996, On the measurement of modal group time delays in the deep ocean, J. Acoust. Soc. Am. 100, 2093-2102.
  
   Brown, M. G., and J. Viechnicki, 1998, Stochastic ray theory for long-range sound propagation in deep ocean environments, J. Acoust. Soc. Am. 104, 2090-2104.
  
   Colosi, J. A., and M. G. Brown, 1998, Efficient numerical simulation of stochastic internal wave induced sound speed perturbation elds, J. Acoust. Soc. Am. 103, 2232-2235.
  
   Brown, M. G., 1998, Phase space structure and fractal trajectories in 1 1/2 degree of freedom Hamiltonian systems whose time dependence is quasiperiodic, Nonlinear Processes Geophys. 5, 69-74.
  
   Brown, M. G., 2000, The Maslov integral representation of slowly-varying dispersive wavetrains in inhomogeneous moving media, Wave Motion 32, 247-266.
  
   Brown, M. G., 2001, Space-time surface gravity wave caustics: Structurally stable extreme wave events, Wave Motion 33, 117-143.
  
   Brown, M. G., and A. Jensen, 2001, Experiments on focusing unidirectional water waves, J. Geo- phys. Res. 106 , 16917-16928.
  
   Brown, M. G., J. A. Colosi, S. Tomsovic, A. L. Virovlyansky, M. A. Wolfson, G. M. Zaslavsky, 2003, Ray dynamics in long-range deep ocean sound propagation, J. Acoust. Soc. Am. 113, 2533-2547.
  
   Beron-Vera, F. J., M. G. Brown, J. A. Colosi, S. Tomsovic, A. L. Virovlyansky, M. A. Wolfson, G. M. Zaslavsky, 2003, Ray dynamics in a long-range acoustic propagation experiment, J. Acoust. Soc. Am. 114, 1226-1242.
  
   Beron-Vera, F. J., and M. G. Brown, 2003, Ray stability in weakly range-dependent sound channels, J. Acoust. Soc. Am. 114, 122-130.
  
   Beron-Vera, F. J., M. J. Olascoaga and M. G. Brown, 2004, Passive tracer patchiness and particle trajectory stability in incompressible two-dimensional flows, Nonlin. Processes in Geophys. 11(1), 67-74 (1607-7946/npg/2004-11-67).
  
   Beron-Vera, F. J., and M. G. Brown, 2004, Travel time stability in weakly range-dependent sound channels, J. Acoust. Soc. Am. 115, 1068-1077.
  
   Brown, M. G., F. J. Beron-Vera, I. Rypina and I. Udovydchenkov, 2005, Rays, modes, wavefield structure and waveeld stability, J. Acoust. Soc. Am. 117, 1607-1610.
  
   Rypina, I. I., I. A. Udovydchenkov and M. G. Brown, 2006, A transformation of the environment eliminates parabolic equation phase errors, J. Acoust. Soc. Am. 120, 1295-1304.
  
   Olascoaga, M. J., I. I. Rypina, M. G. Brown, F. J. Beron-Vera, H. Kocak, L. E. Brand, G. R. Halliwell and L. K. Shay, 2006, Persistent transport barrier on the West Florida Shelf, Geophys. Res. Lett. 33, L22603, doi:10.1029/2006GL027800.
  
   Rypina, I. I., M. G. Brown, F. J. Beron-Vera, H. Kocak, M. J. Olascoaga and I. A. Udovydchenkov, 2007, On the Lagrangian dynamics of atmospheric zonal jets and the permeability of the stratospheric polar vortex, J. Atmos. Sci. 64, 3595-3610.
  
   Rypina, I. I., M. G. Brown, F. J. Beron-Vera, H. Kocak, M. J. Olascoaga and I. A. Udovydchenkov, 2007, Robust transport barriers resulting from strong KAM stability, Phys. Rev. Lett. 98, 104102, doi:10.1103/PhysRevLett.98.104102.
  
   Rypina, I. I., and M. G. Brown, 2007, On the width of a ray, J. Acoust. Soc. Am. 122, 1440-1448.
  
   Udovydchenkov, I. A., and M. G. Brown, 2008, Modal group time spreads in weakly range dependent deep ocean environments, J. Acoust. Soc. Am. 123, 41-50.
  
   Beron-Vera, F. J., M. G. Brown, M. J. Olascoaga, I. I. Rypina, H. Kocak and I. A. Udovydchenkov, 2008, Zonal jets as transport barriers in planetary atmospheres, J. Atmos. Sci. 65, 3316-3326, doi:10.1175/2008JAS2579.1.
  
   Rypina, I. I., M. G. Brown and H. Kocak, 2009, Transport in an idealized three-gyre system with application to the Adriatic Sea, J. Phys. Ocean. 39, 675-690, doi:10.1175/2008JPO3975.1.
  
   Beron-Vera, F. J., and M. G. Brown, 2009, Underwater acoustic beam dynamics, J. Acoust. Soc. Am. 126, 80-91.
  
   Beron-Vera, F. J., M. J. Olascoaga, M. G. Brown, H. Kocak and I. I. Rypina, 2010, Invariant-tori- like Lagrangian coherent structures in geophysical flows, Chaos 20, 017514, doi10.1063/1.3271342.
   Udovydchenkov, I. A., I. I. Rypina and M. G. Brown, 2010, Mode filters and energy conservation, J. Acoust. Soc. Am. 127, EL185-EL191.
   Rypina, I. I., S. Scott, L. J. Pratt and M. G. Brown, 2011, Investigating the connection between complexity of isolated trajectories and Lagrangian coherent structures, Nonlin. Proc. Geoph 18, 1-11, doi:10.5194.
   Brown, M. G., 2011, Noise interferometry in an inhomogeneous environment in the geometric limit, J. Acoust. Soc. Am. 130(4), EL173-EL179.
   Beron-Vera, F. J., M. J. Olascoaga, M. G. Brown and H. Kocak, 2012, Zonal jets as meridional transport barriers in the subtropical and polar lower stratosphere, J. Atmos. Sci. 69, 741-752, doi:10.1175/JAS-D-11-084.1.
   Udovydchenkov, I. A., M. G. Brown, T. F. Duda, J. A. Mercer, R. K. Andrew, P. F. Worcester, M. A. Dzieciuch, B. M. Howe and J. A. Colosi, 2012, Modal analysis of the range evolution of broadband wavefields in the North Pacific Ocean: Low mode numbers, J. Acoust. Soc. Am. 131, 4409-4427.
   Udovydchenkov, I. A., M. G. Brown and T. F. Duda, 2012, Piecewise coherent mode processing acoustic measurements made on two nearby vertical line arrays, J. Acoust. Soc. Am. 131, EL492- EL498.
   Olascoaga, M. J., M. G. Brown, F. J. Beron-Vera and H. Kocak, 2012, Stratospheric winds, trans- port barriers and the 2011 Arctic ozone hole, Nonlin. Proc. Geophys. 19, 1-6, doi:10.5194/npg-19- 1-2012.
   Brown, M. G., and I. A. Udovydchenkov, 2013, Underwater communication using weakly dispersive modes, Acoust. Phys. 59(5), 533-538, doi:10.1134/S1063771013050199.
   Udovydchenkov, I. A., M. G. Brown, T. F. Duda, P. F. Worcester, M. A. Dzieciuch, J. A. Mercer, R. K. Andrew, B. M. Howe and J. A. Colosi, 2013, Weakly dispersive modal pulse propagation in the North Pacific Ocean, J. Acoust. Soc. Am. 134, 3386-3394.
   Song, H. C., B. M. Howe, M. G. Brown and R. K. Andrew, 2014, Diversity-based acoustic commu- nication with a glider in deep water , J. Acoust. Soc. Am. 135, 1023-1026, doi:10.1121/1.4864299
   Brown, M. G., O. A. Godin, N. J. Williams, N. A. Zabotin, L. Zabotina and G. J. Banker, 2014, Acoustic Green’s function extraction from ambient noise in a coastal ocean environment, Geophys. Res. Lett. 41, doi:10.1002/2014GL060926.
   Godin, O. A., N. A. Zabotin, L. Zabotina, M. G. Brown, N. J. Williams, 2014, Passive acoustic measurements of flow velocity in the Straits of Florida, submitted to J. Acoust. Soc. Am.
   19. Other works, publications and abstracts:
   Bache, T. C., T. G. Barker, M. G. Brown, K. D. Pyatt and H. J. Swanger, 1980, The underwater acoustic signature of a nuclear explosion at the ocean surface, Systems Science and Software Technical Report SSS-R-80-4586, 1980.
  
   Brown, M. G., 1982, Inverting for the ocean sound speed structure, Ph.D. dissertation, University of California, San Diego.
   Brown, M. G., 1983, The identification and inversion of acoustic multipath data at long range in the ocean, PAME Proceedings, NORDA Technical Note 176, 189-199.
  
   Brown, M. G., 1983, An introductory wave mechanics course in the Ocean Engineering program at the University of Miami, Proc. ASEE Conf., Rochester, N. Y.
  
   Brown, M. G., 1986, Underwater sound, in McGraw-Hill Yearbook of Science and Technology, McGraw-Hill, New York, 476-478.
  
   Brown, M. G., and B. K. Emmett, 1986, Edge diffraction of transient non-dispersive waves and the B1 impulse catastrophe | Theory and experiment, Univ. of Miami Technical Report, RSMASTR86-006.
  
   Goni, G. J., F. D. Tappert and M. G. Brown, 1989, Numerical experiments on the standard mapping, University of Miami Technical Report, RSMAS-TR-89-005.
  
   Brown, M. G., F. D. Tappert, G. J. Goni and K. B. Smith, 1991, Chaos in underwater acoustics, in Ocean Variability and Acoustic Propagation, J. Potter and A.Warn-Varnas (eds), Kluwer Academic Publishers, Dordrect, 139-160.
  
   Brown, M. G., and H. A. DeFerrari, 1991, Are centimeter accuracy measurements of relative sea floor displacements feasible?, in Proceedings of the International Symposium on Marine Positioning (IN-SMAP 90), Marine Technology Society, PIP printing, Rockville, 88-92.
  
   Brown, M. G., 1993, Chaos in Ocean Physics, in Proceedings of the Aha Huliko'a Hawaiian Winter Workshop on Statistical Methods in Physical Oceanography, P. Muller and D. Henderson (eds), SOEST Publication Services, 373-380.
  
   Brown, M. G., 1996, Nonlinear waveform inversion in crosswell tomography, in Proceedings of the Super Crosswell Tomography and CORK Experiment Workshop of the JAMSTEC International Symposium on Deep Sea Research in Subduction Zones, Spreading Centers, and Backarc Basins, Tokyo, Japan.
  
   Brown, M. G., 2003, Review of “Seismic Ray Theory” by Vlastislav Cerveny, J. Acoust. Soc. Am.113, 14.
  
   Duda, T. F., A. K. Morozov, B. M. Howe, M. G. Brown, K. Speer, P. Lazarevich, P. F. Worcester and B. D. Cornuelle, 2006, Evaluation of a long-range joint acoustic navigation/thermometry system, Oceans06, Marine Technology Society, Boston, 060407-31, 6 pp.
  
   Tomsovic, S. and M. G. Brown, Ocean acoustics: a novel laboratory for wave chaos, in New Directions in Linear Acoustics and Vibration, R. Weaver and M. Wright, (eds), Cambridge University Press, Cambridge, 2008, 186-206.
  
   20. Other works accepted for publication
   PROFESSIONAL
   21. Funded Research Performed (include all grants received in the last five years, identifying the principal investigator and the amounts and dates of the awards):
  
   Brown, M. G., Time domain studies of acoustic wave propagation in the ocean, ONR, 12/82-11/83,$68,000.
  
   Brown, M. G., Time domain studies of acoustic wave propagation in the ocean, ONR, 12/83-9/84, $73,257.
  
   Brown, M. G., Time domain studies of acoustic wave propagation in the ocean, ONR, 10/84-9/86, $172,000.
  
   Brown, M. G., Catastrophic and chaotic ocean physics, NSF, 11/87-10/90, $158,000.
  
   Brown, M. G. (PI), and F. D. Tappert, Predictability of deterministic underwater sound fields,
   ONR, 10/88-9/90, $240,000.
  
   Tappert, F. D. (PI), and M. G. Brown, Full wave reverberation modeling, ONR, 10/90-9/92, $442,000.
  
   Brown, M. G., Empirical nonlinear ocean dynamics, ONR, 10/90-9/92, $124,000.
  
   Brown, M. G. (PI), F. D. Tappert and J. Willemsen, Wave chaos in ocean acoustics, NSF, 10/91-9/93, $250,000.
  
   Brown, M. G., Low-order nonlinear ocean dynamics, ONR, 10/92-9/94, $115,000.
  
   Brown, M. G. (PI), H. A. DeFerrari, F. D. Tappert, T. Yamamoto and H. Nguyen, Acoustics local area network, ONR, 10/92-9/94, $185,765.
  
   Brown, M. G., Analysis of measured spatio-temporal sound fields in deep and shallow water, ONR, 10/92-9/94, $229,979.
  
   Brown, M. G., Global acoustic propagation modelling, ARPA via SIO, 4/93-3/94, $80,000.
  
   Brown, M. G., Analysis of measured spatio-temporal sound fields in deep and shallow water (AASERT supplement), ONR, 6/93-5/96, $70,394.
  
   Brown, M. G., Transient wave propagation in underwater acoustics: theory and applications, ONR, 10/94-9/96, $240,000.
  
   Brown, M. G. (PI), and T. Yamamoto, Nonlinear waveform inversion in crosswell tomography, ONR, 10/94-9/96, $120,000.
  
   Brown, M. G., Semiclassical approximations and predictability in ocean acoustics, ONR, 10/96-12/97, $149,111.
  
   Brown, M. G., Semiclassical approximations and predictability in ocean acoustics, ONR, 10/97-9/99, $280,000.
   Brown, M. G., Ocean surface gravity wave kinematics, NSF, 3/98-2/01, $225,000.
  
   Brown, M. G., Semiclassical approximations and predictability in ocean acoustics, ONR, 10/99-9/01, $300,000.
  
   Brown, M. G., Predictability limitations of long-range sound propagation, ONR, 1/02-12/02, $100,000.
  
   Brown, M. G., Predictability limitations of long-range sound propagation, ONR, 1/03-12/05, $482,000.
  
   Beron-Vera, F. J. (PI), M. J. Olascoaga, M. G. Brown and H. Kocak, Nonintegrable Hamiltonian systems in ocean dynamics, NSF, 9/04-8/08, $950,000.
  
   Brown, M. G., Long-range underwater sound propagation: environmental variability, signal stability and signal coherence, ONR, 1/06-12/08, $504,000.
  
   Beron-Vera, F. J. (PI), M. J. Olascoaga, M. G. Brown and H. Kocak, Nonintegrable Hamiltonian systems in geophysical fluid dynamics, NSF, 9/08-8/12, $763,000.
  
   Brown, M. G., Long-range underwater sound propagation: environmental variability, signal stability and signal coherence, ONR, 1/09-12/11, $519,000.
  
   Brown, M. G., Ocean remote sensing using ambient noise, NSF, 10/11-9/14, $475,000.
   Brown, M. G., Long-range underwater sound propagation: environmental variability, signal stability and signal coherence, ONR, 1/12-12/14, $390,000.
   22. Editorial responsibilities:
   Referee for Journal of Geophysical Research (Oceans and Solid Earth sections), Journal of the Acoustical Society of America, Journal of Physical Oceanography, Geophysical Journal of the Royal Astronomical Society/Geophysical Journal International, Journal of Fluid Mechanics, Reviews of Geophysics, Wave Motion, Nature, Science, Geophysical Research Letters, Physics of Fluids/Physics of Fluids A, Radio Science, Journal of Atmospheric and Oceanic Technology, Bulletin of the Seismological Society of America, Nonlinear Processes in Geophysics, Deep-Sea Research, IEEE Journal of Ocean Engineering, Journal of Sound and Vibration, Journal of Nonlinear Science, Journal of Computational Acoustics, European Journal of Mechanics, Physics Letters A, Encyclopedia of Applied Physics, Office of Naval Research (proposals), National Science Foundation (proposals). Professional and Honorary Organizations (member; officer; date)
  
   23. Honors and Awards:
   Recipient of 1989 A. B. Wood Medal and Prize of the Institute of Acoustics, U.K., for important contributions to underwater acoustics.
  
   Fellow, Acoustical Society of America, 2004-present
  
   24. Post-Doctoral Fellowships:
   25. Other Professional Activities (e.g., papers presented; performances; conference proceedings; seminar or conference panel member; catalogue work; etc.):
  
   Sea Time
   Participant on several short (day-week) acoustical oceanography cruises. Chief Scientist on six two-day cruises in the Florida Straits on the RV Walton Smith to deploy/recover acoustical oceanography instrumentation.
  
   Patent
   Yamamoto, T., M. Brown, T. Torii and A. Berman, Bottom shear modulus profiler, U. S. Patent
   No. 4,807,199, granted 1989.
  
  
   Abstracts and Poster Papers
   The Ocean Tomography Group, 1982, Ocean acoustic tomography, EOS Trans. Am. Geophys. Union 63, 361.
  
   Brown, M. G., 1983, Linearized travel time, intensity and waveform inversions - A comparison, J. Acoust. Soc. Am. Suppl. 73, S37. (Invited paper)
  
   Brown, M.G., 1983, Impulsive wave propagation and the cuspoid caustics, J. Acoust. Soc. Am. Suppl. 74, S97.
  
   Brown, M. G., 1983, Impulsive wave propagation and the elliptic, hyperbolic, and parabolic umbilic caustics, J. Acoust. Soc. Am. Suppl. 74, S97.
  
   Brown, M. G., and F. D. Tappert, 1984, Catastrophe theory, caustics and travel time diagrams, J. Acoust. Soc. Am. Suppl. 75, S25.
  
   Brown, M. G., and F. D. Tappert, 1984, Catastrophe theory, caustics and travel time diagrams in seismology, Terra Cognita, May.
  
   Brown, M. G., 1984, Numerical considerations in ray tracing and ray expansions of the acoustic waveeld, J. Acoust. Soc. Am. Suppl. 76, S39.
  
   Brown, M. G., and B. K. Emmett, 1985, Edge diffraction of transient nondispersive waves – Theory and experiment, J. Acoust. Soc. Am. Suppl. 77, S61.
  
   Brown, M. G., 1985, Transient waveelds and caustics, URSI North American Radio Science Meeting, Vancouver, Canada, 132. (Invited paper)
  
   Brown, M. G., and F. D. Tappert, 1985, Causality, caustics and the structure of transient wave-fields, J. Acoust. Soc. Am. Suppl. 78, S22.
  
   Brown, M. G., 1985, Vortex generation on a beta-plane, EOS Trans. Am. Geophys. Union 66, 933-934.
  
   Brown, M. G., 1986, On the singularity index and the unfolding of the diffraction catastrophes, J. Acoust. Soc. Am. Suppl. 80, S91.
  
   Brown, M. G., 1986, Catastrophic constraints and the kinematic inverse problem, EOS Trans. Am. Geophys. Union 67, 1098-1099.
  
   Brown, M. G., and P. E. Bullwinkel, 1987, Matched catastrophe deconvolution with application to the inversion of marine seismic refraction data, J. Acoust. Soc. Am. Suppl. 82, S73.
  
   Tappert, F. D., M. G. Brown, D. R. Palmer and H. F. Bezdek, 1988, Chaos in underwater acoustics, J. Acoust. Soc. Am. Suppl. 83, S36. (Invited paper)
  
   Palmer, D. R., M. G., Brown, F. D. Tappert and H. F. Bezdek, 1988, Chaotic behavior of ray trajectories in a range-dependent ocean environment, J. Acoust. Soc. Am. Suppl. 83, S37.
  
   Tappert, F. D. and M. G. Brown, 1988, Chaos in shallow water propagation, J. Acoust. Soc. Am. Suppl. 83, S37.
  
   Bezdek, H. F., D. R. Palmer, M. G. Brown and F. D. Tappert, 1988, Chaos in nonseparable wave propagation problems, Nonlinear Dynamical Systems Symposium, Santa Cruz, CA.
  
   Brown, M. G., F. D. Tappert, D. R. Palmer and H. F. Bezdek, 1988, Chaos in nonseparable wave propagation problems, 17th Intl. Conf. on Mathematical Geophysics, Barcelona.
  
   Tappert, F. D., G. J., Goni and M. G. Brown, 1988, Chaos and hyperchaos in shallow water acoustics, J. Acoust. Soc. Am. suppl. 84, S152.
  
   Brown, M. G., and F. D. Tappert, 1989, Oceanographic applications of chaos in Hamiltonian systems, ONR Nonlinear Oceanography Workshop, APL, Johns Hopkins Univ.
  
   Tappert, F. D., M. G. Brown and G. Go~ni, 1989, Exponential growth of multipaths under chaotic conditions in a simple deterministic range-dependent waveguide, J. Acoust. Soc. Am. Suppl. 85, S70.
  
   Brown, M. G., F. D. Tappert, G. J. Go~ni and K. B. Smith, 1989, Chaos in underwater acoustics, Institute of Acoustics Sonar Signal Processing Conference, University of Technology, Loughborough, U. K. (Invited paper)
  
   Brown, M. G., K. B. Smith and F. D. Tappert, 1990, Sound ray chaos induced by oceanic internal waves and mesoscale structure, J. Acoust. Soc. Am. Suppl. 86, S55.
  
   Tappert, F. D., M. G. Brown and G. J. Go~ni, 1990, A search for wave chaos in a simple range-dependent underwater acoustic waveguide, J. Acoust. Soc. Am. Suppl. 86, S55.
  
   Brown, M. G., F. D. Tappert and G. J. Go~ni, 1990, An investigation of sound ray dynamics in a range-dependent model of the ocean volume using an area preserving mapping, J. Acoust. Soc. Am. Suppl. 86, S130.
  
   Brown, M. G., and K. B. Smith, 1990, Stirring the ocean by chaotic advection: an analysis of SOFAR float trajectories, IUTAM Symposium on Fluid Mechanics of Stiring and Mixing, UCSD, August 20-24.
  
   Brown, M. G., and H. A. DeFerrari, 1990, A system for the precise measurement of relative seafloor displacements using acoustic phase information, International Symposium on Marine Positioning, Miami, 15-19 October.
  
   Bauer, S. T., and M. G. Brown, 1991, Empirical low-order El Nino dynamics, The Oceanography Society meeting, St. Petersburg, 25-29 March.
  
   Brown, M. G., 1991, Chaos in small amplitude surface gravity waves over slowly varying bathymetry, ONR Nonlinear Ocean Waves Workshop, APL, Johns Hopkins University, 30-31 May.
  
   Brown, M. G., and K. B. Smith, 1991, Stirring the oceans by chaotic advection, IAPSO-IUGG meeting Vienna, August 11-24. (Invited paper)
  
   Brown, M., F. Tappert, K. Smith, G. Goni and S. Sundaram, 1991, Linear waves, rays and chaos, IAPSO-IUGG meeting, Vienna, August 11-24.
  
   Bauer, S. T., and M. G. Brown, 1991, Empirical low-order El Ni~no dynamics, IAPSO-IUGG meeting, Vienna, August 11-24.
  
   Tappert, F. D., K. B. Smith and M. G. Brown, 1992, Chaos in ocean acoustic waveguides, SIAM 40th anniversary meeting, Los Angeles.
  
   Brown, M. G., 1992, A Maslov-Chapman wave-field representation for broadband, wide-angle, oneway propagation in range-dependent environments, J. Acoust. Soc. Am. Suppl. 92, S273.
  
   Brown, M. G., 1993, Chaotic ocean dynamics: A critical assessment, Aha Huliko'a Hawaiian Winter
   Workshop, University of Hawaii, January 12-15. (Invited paper)
  
   DeFerrari, H. A., M. G. Brown, F. D. Tappert, C. Monjo and L. Nghiem-Phu, 1993, Fluctuations and predictability of sound propagation at moderate frequencies in bottom-limited sound channels, J. Acoust. Soc. Am. Suppl. 93, S2270.
  
   Tappert, F. D., M. G. Brown, H. A. DeFerrari, C. Monjo and L. Nghiem-Phu, 1993, Modeling issues for predicting sound propagation at moderate frequencies in bottom-limited sound channels, J. Acoust. Soc. Am. Suppl. 93, S2270.
  
   Brown, M. G., and S. T. Bauer, 1993, Empirical low-order ocean-atmosphere dynamics?, AGU Chapman Conference on Fractals, Chaos, and Predictability in Oceanography and Meteorology, Galway, Ireland, September 20-22. (Invited paper)
  
   Brown, M. G., 1994, Global acoustic propagation modelling using MaCh1, J. Acoust. Soc. Am. Suppl. 95, 2880.
  
   Brown, M. G., and R. M. Samelson, 1995, Particle motion in vorticity-conserving, two-dimensional incompressible flows, European Geophysical Society meeting, Hamburg, April 3-8. (Invited paper)
  
   Brown, M. G., and J. Viechnicki, 1995, On the feasibility of modal group delay-based tomography in the deep ocean, J. Acoust. Soc. Am. Suppl. 97, 3235.
  
   Tappert, F. D., and M. G. Brown, 1995, Accuracy of parabolic approximations for travel time, J. Acoust. Soc. Am. Suppl. 97, 3313.
  
   Brown, M. G., and M. Ianniruberto, 1996, A numerical investigation of the validity of a ray-based acoustic wave-field expansion, J. Acoust. Soc. Am. Suppl. 100, 2833.
  
   Brown, M. G., and F. D. Tappert, 1997, An overview of ray chaos, J. Acoust. Soc. Am. Suppl.
   101, 3115. (Invited paper)
  
   Brown, M. G., M. A. Wolfson and F. D. Tappert, 1997, A numerical investigation of semiclassical predictability in the presence of chaotic ray motion, J. Acoust. Soc. Am. Suppl. 101, 3117.
  
   Brown, M. G., 1997, Stochastic ray theory, chaos and precictability, J. Acoust. Soc. Am. Suppl. 101, 3117.
  
   Viechnicki, J., M. G. Brown and the ATOC group, 1998, Constraints on ocean internal wave spectra from long-range acoustic transmission data, J. Acoust. Soc. Am. Suppl. 103, 2789.
  
   Brown, M. G., and J. Viechnicki, 1999, Ray methods in long-range underwater sound propagation: recent results, ICTCA-99, Trieste.
  
   Brown, M. G., 1999, A ray perspective of stochastic volume scattering of sound in the ocean, Institute of Acoustics Conference on Stochastic Volume and Surface Scattering in Underwater Acoustics, Robinson College, Cambridge University, U. K.
  
   Brown, M. G., J. A. Colosi, A. L. Virovlyansky, G. M. Zaslavsky, S. Tomsovic and M. A. Wolfson, 2000, Ray dynamics in the AET experiment, J. Acoust. Soc. Am. Suppl. 108, 2578.
  
   Reeder, S., M. Brown and J. Dunion, 2003, Wave hindcasting for hurricane Bonnie, 57th Interdepartmental Hurricane Conference (NOAA), Miami.
  
   Brown, M. G., 2003, Waves, rays and the predictability of underwater sound fields, J. Acoust. Soc. Am. Suppl. 113, 2185. (Invited paper)
  
   F. J. Beron-Vera and M. G. Brown, 2004, Ray and Travel time stability in weakly range-dependent sound channels, J. Acoust. Soc. Am. Suppl. 115, 2579.
  
   Brown, M. G., F. J. Beron-Vera, I. Rypina and I. A. Udovydchenkov, 2004, Wave-field stability in weakly range-dependent sound channels, J. Acoust. Soc. Am. Suppl. 115, 2579.
  
   Brown, M. G., F. J. Beron-Vera, I. Rypina and I. A. Udovydchenkov, 2004, and wave-field statistics, J. Acoust. Soc. Am. Suppl. 116, 2609. (Invited paper)
  
   Beron-Vera, F. J., I. A. Udovydchenkov, I. Rypina and M. G. Brown, 2004, Acoustic beam dynamics in deep ocean environments, J. Acoust. Soc. Am. Suppl. 116, 2609.
  
   Rypina, I., I. A. Udovydchenkov, M. G. Brown, and F. J. Beron-Vera, 2004, A simple transformation of the environment eliminates standard PE phase errors, J. Acoust. Soc. Am. Suppl. 116, 2635.
  
   Udovydchenkov, I. A., I. Rypina, M. G. Brown, and F. J. Beron Vera, 2004, A very simple transformation of the environment significantly reduces Thomson-Chapman phase errors, J. Acoust. Soc. Am. Suppl. 116, 2635.
  
   Udovydchenkov, I. A., and M. G. Brown, 2006, Modal group time spreads in weakly rangedependent deep ocean environments, J. Acoust. Soc. Am. Suppl. 120, 3062.
  
   Rypina, I. I., and M. G. Brown, 2006, Fresnel zones in inhomogeneous media , J. Acoust. Soc. Am. Suppl. 120, 3061.
  
   Udovydchenkov, I. A., M. G. Brown, P. F. Worcester, M. A. Dzieciuch, L. J. van Uelen, J. A. Mercer, B. M. Howe and R. K. Andrew, 2006, Mode processing of transient signals using a deficient vertical array, with application to LOAPEX measurements, J. Acoust. Soc. Am. Suppl. 120, 3022.
  
   Beron-Vera, F. J., and M. G. Brown, 2006, A partial theory of phase coherence loss in deep ocean propagation, J. Acoust. Soc. Am. Suppl. 120, 3062.
  
   Rypina, I. I., M. G. Brown, F. J. Beron-Vera, H. Kocak, M. J. Olascoaga and I. A. Udovydchenkov, 2007, On the Lagrangian dynamics of atmospheric zonal jets and the permeability of the stratospheric polar vortex, EOS Trans. Am. Geophys. Union 88(52) Fall Meet. Suppl., Abstract A51F-11.
  
   Beron-Vera, F. J., M. G. Brown, M. J. Olascoaga, I. I. Rypina, H. Kocak and I. A. Udovydchenkov, 2007, Zonal jets as transport barriers in planetary atmospheres, EOS Trans. Am. Geophys. Union 88(52) Fall Meet. Suppl., Abstract P51A-202.
  
   Rypina, I. I., L. J. Pratt, M. G. Brown, I. A. Udovydchenkov and H. Kocak, 2008, Transport and mixing in oceanic surface ows. NLOA 2008 Workshop.
  
   Rypina, I. I., I. A. Udovydchenkov and M. G. Brown, 2008, Resonant forward scattering of sound in deep ocean environments, J. Acoust. Soc. Am. Suppl. 124, 2598.
  
   Udovydchenkov, I. A., M. G. Brown and T. Duda, 2008, Low mode-number scattering of transient signals in the deep ocean, J. Acoust. Soc. Am. Suppl. 124, 2598.
  
   Brown, M. G., F. J. Beron-Vera, I. A. Udovydchenkov and I. I. Rypina, , 2009, Coherence in longrange deep ocean propagation, J. Acoust. Soc. Am. Suppl. 125, 2491. (Invited paper)
  
   Rypina, I. I., I. A. Udovydchenkov, T. F. Duda and M. G. Brown, 2009, Resonant forward scattering of sound in the deep ocean by internal tides, J. Acoust. Soc. Am. Suppl. 125, 2501.
  
   Brown, M. G., I. A. Udovydchenkov and I. I. Rypina, , 2009, Ray methods in long-range deep ocean sound propagation, J. Acoust. Soc. Am. Suppl. 126, 2158. (Invited paper)
  
   Brown, M. G., F. J. Beron-Vera, M. J. Olascoaga and H. Kocak, 2010, Evidence of persistent transport barriers in the Southern Ocean, Ocean Sciences Meeting, Portland, PO54B-03.

   Rypina, I. I., I. A. Udovydchenkov, M. G. Brown and B. Dushaw, 2010, Mode filters and energy conservation, J. Acoust. Soc. Am. Suppl. 127, 1819.
   Udovydchenkov, I. A., M. G. Brown and I. I. Rypina, 2010, Sound propagation in strongly range- dependent deep ocean environments with application to the Philippine Sea, J. Acoust. Soc. Am. Suppl. 128, 2387.
   Brown, M. G., 2011, Noise interferometry in the geometric limit in a multipathing environment, J. Acoust. Soc. Am. Suppl. 129, 2496.
   Brown, M. G., F. J. Beron-Vera, M. J. Olascoaga and H. Kocak, Elliptic Lagrangian coherent structures in geophysical flows, EOS Trans. Am. Geophys. Union xx(yy) Fall Meet. Suppl., Abstract NG41B-03 . (invited presentation)
   Brown, M. G., F. J. Beron-Vera, M. J. Olascoaga and H. Kocak, KAM-like Lagrangian Coherent Structures in geophysical flows, AIMS conference on dynamical systems, Orlando, July, 2012. (in- vited presentation)
   Godin, O. A., N. A. Zabotin, L. Zabotina, J. S. Ball, M. G. Brown and N. J. Williams, 2014, Acoustic noise interferometry in the Straits of Florida at 100 m depth: A ray-based interpretation, J. Acoust. Soc. Am. Suppl. 135, 2167.
   Brown, M. G., N. J. Williams, G. Banker, O. A. Godin, N. A. Zabotin and L. Zabotina, 2014, Acoustic noise interferometry in the Straits of Florida at 100 m depth: A rmode-based interpreta- tion, J. Acoust. Soc. Am. Suppl. 135, 2167.
   Brown, M. G., N. J. Williams, X. Zang, O. A. Godin, N. A. Zabotin and L. Zabotina, 2014, Acous- tic noise interferometry in the Straits of Florida at 600 m depth: Preliminary results, J. Acoust. Soc. Am. Suppl. 135, 2167.
   Udovydchenkov, I. A., M. G. Brown, T. F. Duda, P. F. Worcester, M. A. Dzieciuch, J. A. Mercer, R. K. Andrew, B. M. Howe and J. A. Colosi, 2014, Weakly dispersive modal pulse propagation in the North Pacific Ocean, J. Acoust. Soc. Am. Suppl. 135, 2430.
   Zang, X., M. G. Brown, O. A. Godin, N. A. Zabotin and L. Zabotina, 2014, Waveform inversion of ambient noise cross-correlation functions in a coastal ocean environment, J. Acoust. Soc. Am. Suppl. 136, xxxx.

  • Zang, Xiaoqin
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