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Browsing Applied Ocean Physics and Engineering (AOP&E) by Title

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Browsing Applied Ocean Physics and Engineering (AOP&E) by Title

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  • Hester, K. C.; Dunk, R. M.; White, Sheri N.; Brewer, Peter G.; Peltzer, Edward T.; Sloan, E. D. (2006-11-14)
    Oceanic gas hydrates have been measured near the seafloor for the first time using a seagoing Raman spectrometer at Hydrate Ridge, Oregon, where extensive layers of hydrates have been found to occur near the seafloor. All ...
  • Poole, Travis L.; Frisk, George V.; Lynch, James F.; Pierce, Allan D. (Acoustical Society of America, 2008-02)
    This paper introduces a perturbative inversion algorithm for determining sea floor acoustic properties, which uses modal amplitudes as input data. Perturbative inverse methods have been used in the past to estimate bottom ...
  • Poole, Travis L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2007-02)
    This thesis introduces an algorithm for inverting for the geoacoustic properties of the seafloor in shallow water. The input data required by the algorithm are estimates of the amplitudes of the normal modes excited by ...
  • Poole, Travis L.; Frisk, George V.; Lynch, James F.; Pierce, Allan D. (Acoustical Society of America, 2008-02)
    This paper introduces a perturbative inversion algorithm for determining sea floor acoustic properties, which uses modal amplitudes as input data. Perturbative inverse methods have been used in the past to estimate bottom ...
  • Becker, Kyle M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2002-02)
    Sound propagation in shallow water is highly dependent on the interaction of the sound field with the bottom. In order to fully understand this problem, it is necessary to obtain reliable estimates of bottom geoacoustic ...
  • Evans, Rob L.; Hirth, Greg; Baba, Kiyoshi; Forsyth, Donald W.; Chave, Alan D.; Mackie, Randall L. (2005-06-29)
    Magnetotelluric (MT) and seismic data, collected during the MELT experiment at the Southern East Pacific Rise (SEPR) constrain the distribution of melt beneath this mid-ocean-ridge spreading center and also the evolution ...
  • Tontini, F. Caratori; de Ronde, C. E. J.; Kinsey, James C.; Soule, Samuel A.; Yoerger, Dana R.; Cocchi, L. (John Wiley & Sons, 2013-10-18)
    Catastrophic collapses of submarine volcanoes have the potential to generate major tsunami, threatening many coastal populations. Recognizing the difficulties surrounding anticipations of these events, quantitative assessment ...
  • McGillicuddy, Dennis J.; Townsend, David W.; Keafer, Bruce A.; Thomas, M. A.; Anderson, Donald M. (2012-09-21)
    A series of oceanographic surveys on Georges Bank document variability of populations of the toxic dinoflagellate Alexandrium fundyense on time scales ranging from synoptic to seasonal to interannual. Blooms of A. fundyense ...
  • Dexter, Stephen C. (Woods Hole Oceanographic Institution, 1972-12)
    This handbook is intended to serve as an aid in materials selection to Oceanographic engineers and designers. As such it is intentionally limited to materials that may be used advantageously in the marine environment.
  • Winget, Clifford L. (Woods Hole Oceanographic Institution, 1969-05)
    This report presents the design and construction details for various mechanical hand tools and accessories used by a manned deep submersible. The tools require the use of a mechanical manipulator, and were designed specifically ...
  • Berteaux, Henri O.; Goldsmith, Roger A.; Schott, W. E. (Woods Hole Oceanographic Institution, 1977-02)
    The following report describes a computer solution to help predict the heave and roll response of free floating bodies of cylindrical shape when excited by random seas with known spectra. The basic concepts of harmonic ...
  • von der Heydt, Keith (Woods Hole Oceanographic Institution, 1991-06)
    Multichannel data acquisition has been a keystone of 7 ONR sponsored Arctic acoustic research programs conducted jointly by WHOI and MIT investigators from 1978 through 1989. This report describes the status and capability ...
  • Chu, Dezhang; Stanton, Timothy K.; Pierce, Allan D. (Acoustical Society of America, 2007-12)
    A cw solution of acoustic diffraction by a three-sided semi-infinite barrier or a double edge, where the width of the midplanar segment is finite and cannot be ignored, involving all orders of diffraction is presented. The ...
  • Lin, Ying-Tsong; Duda, Timothy F. (Acoustical Society of America, 2012-07-03)
    A three-dimensional Cartesian parabolic-equation model with a higher-order approximation to the square-root Helmholtz operator is presented for simulating underwater sound propagation in ocean waveguides. The higher-order ...
  • Lin, Ying-Tsong (Acoustical Society of America, 2013-07-15)
    A higher-order square-root operator splitting algorithm is employed to derive a tangent linear solution for the three-dimensional parabolic wave equation due to small variations of the sound speed in the medium. The solution ...
  • Lavery, Andone C.; Schmitt, Raymond W.; Stanton, Timothy K. (Acoustical Society of America, 2003-11)
    Acoustic scattering techniques provide a unique and powerful tool to remotely investigate the physical properties of the ocean interior over large spatial and temporal scales. With high-frequency acoustic scattering it is ...
  • Chu, Dezhang; Williams, Kevin L.; Tang, Dajun; Jackson, Darrell R. (Acoustical Society of America, 1997-08)
    A previous study of high-frequency acoustic backscattering data collected at Eckernfoerde Bay, Germany revealed that scattering is mainly due to methane gas bubbles buried about a meter beneath the seafloor [Tang et al., ...
  • Mayer, Larry A.; Raymond, Richard; Glang, Gerd; Richardson, Michael D.; Traykovski, Peter A.; Trembanis, Arthur C. (IEEE, 2007-01)
    High-resolution multibeam sonar and state-of-the- art data processing and visualization techniques have been used to quantify the evolution of seafloor morphology and the degree of burial of instrumented mines and mine-shapes ...
  • Hsu, Tian-Jian; Ozdemir, Celalettin E.; Traykovski, Peter A. (American Geophysical Union, 2009-05-14)
    Wave-supported gravity-driven mudflow has been identified as a major offshore fine sediment transport mechanism of terrestrial sediment into the coastal ocean. This transport process essentially occurs within the wave ...
  • Singer, Robin C.; Butler, Douglas M. (Woods Hole Oceanographic Institution, 1990-07)
    A High Speed Buffer Board (HSBB) has been developed for the Vector Measuring Current Meter (VMCM) to implement the transmission of data at 9600 baud over an EIA-485 link. The HSBB significantly extends the VMCM communication ...

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