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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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  • Bowen, Martin F. (Woods Hole Oceanographic Institution, 1998-07-30)
    A Honeywell GG 1320AN Digital Ring Laser Gyroscope (RLG), typically an aviation sensor, has been adapted for use as part of a navigation package rated to ocean depths of 6,000 meters. Researchers and engineers at the Deep ...
  • Kalmikov, Alexander G. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2013-02)
    Quantifying uncertainty and error bounds is a key outstanding challenge in ocean state estimation and climate research. It is particularly difficult due to the large dimensionality of this nonlinear estimation problem ...
  • Cockrell, Kevin L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2011-02)
    Much of the recent research in ocean acoustics has focused on developing methods to exploit the effects that the sea surface and seafloor have on acoustic propagation. Many of those methods require detailed knowledge of ...
  • Eggen, Trym H. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1997-06)
    This work is concerned with coherent communication by means of acoustic signals over underwater communication channels. The estimated scattering functions of real data ranging from the Arctic environment to tropical ...
  • Nickolaisen, Niel R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1989-09)
    In order to provide an accurate and efficient method of docking, station keeping, and navigation for the JASON remotely operated vehicle, an optical tracking method is investigated. The method needs to be accurate enough ...
  • Morozov, Andrey K.; Webb, Douglas C. (Acoustical Society of America, 2007-08)
    A highly efficient frequency-controlled sound source based on a tunable high-Q underwater acoustic resonator is described. The required spectrum width was achieved by transmitting a linear frequency-modulated signal and ...
  • Shalvi, Ofir; Weinstein, Ehud (Woods Hole Oceanographic Institution, 1990-02)
    We present necessary and sufficient conditions for blind equalization/deconvolution (without observing the input) of an unknown, possible non-minimum phase linear time invariant system (channel). Based on that, we propose ...
  • Nash, Jonathan D.; Kelly, Samuel M.; Shroyer, Emily L.; Moum, James N.; Duda, Timothy F. (American Meteorological Society, 2012-11)
    Packets of nonlinear internal waves (NLIWs) in a small area of the Mid-Atlantic Bight were 10 times more energetic during a local neap tide than during the preceding spring tide. This counterintuitive result cannot be ...
  • Matsuno, Tetsuo; Seama, Nobukazu; Evans, Rob L.; Chave, Alan D.; Baba, Kiyoshi; White, Antony; Goto, Tada-nori; Heinson, Graham; Boren, Goran; Yoneda, Asami; Utada, Hisashi (American Geophysical Union, 2010-09-02)
    This paper reports on a magnetotelluric (MT) survey across the central Mariana subduction system, providing a comprehensive electrical resistivity image of the upper mantle to address issues of mantle dynamics in the mantle ...
  • Wheeler, J. D.; Helfrich, Karl R.; Anderson, Erik J.; McGann, B.; Staats, P.; Wargula, A. E.; Wilt, K.; Mullineaux, Lauren S. (Inter-Research, 2013-08-15)
    Investigating settlement responses in the transitory period between planktonic and benthic stages of invertebrates helps shape our understanding of larval dispersal and supply, as well as early adult survival. Turbulence ...
  • Akkaynak, Derya; Treibitz, Tali; Xiao, Bei; Gurkan, Umut A.; Allen, Justine J.; Demirci, Utkan; Hanlon, Roger T. (Optical Society of America, 2014-01-20)
    Commercial off-the-shelf digital cameras are inexpensive and easy-to-use instruments that can be used for quantitative scientific data acquisition if images are captured in raw format and processed so that they maintain a ...
  • Ho, David T.; Ledwell, James R.; Smethie, William M. (American Geophysical Union, 2008-02-19)
    SF6 tracer release experiments (TREs) have provided fundamental insights in many areas of Oceanography. Recently, SF6 has emerged as a powerful transient tracer, generating a need for an alternative tracer for large-scale ...
  • Jones, Benjamin A.; Lavery, Andone C.; Stanton, Timothy K. (Acoustical Society of America, 2009-01)
    A new method has been developed to predict acoustic scattering by weakly scattering objects with three-dimensional variability in sound speed and density. This variability can take the form of inhomogeneities within the ...
  • Irish, James D.; Kerry, S.; Fucile, P.; Beardsley, Robert C.; Lord, Jeffrey; Brink, Kenneth H. (Woods Hole Oceanographic Institution, 2005-12)
    As part of the U.S. GLOBEC Northwest Atlantic/Georges Bank program, moorings were deployed on Georges Bank as part of the broad-scale survey component to help measure the temporal variability of both physical and biological ...
  • Beaulieu, Stace E.; Sengco, Mario R.; Anderson, Donald M. (2003-12-21)
    Harmful algal blooms (HABs) may be legitimate targets for direct control or mitigation, due to their impacts on commercial fisheries and public health. One promising control strategy is the rapid sedimentation of HABs ...
  • Jensen, Harold Franklin (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2009-06)
    Over the past 20 years, underwater vehicle technology has undergone drastic improvements, and vehicles are quickly gaining popularity as a tool for numerous oceanographic tasks. Systems used on the vehicle to alter buoyancy, ...
  • Prestero, Timothy (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2001-09)
    Improving the performance of modular, low-cost autonomous underwater vehicles (AUVs) in such applications as long-range oceanographic survey, autonomous docking, and shallow-water mine countermeasures requires improving ...
  • Wichers, Sacha (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2005-02)
    Hydrothermal vents discharge superheated, mineral rich water into our oceans, thereby providing a habitat for exotic chemosynthetic biological communities. Hydrothermal fluids are convected upwards until they cool and ...
  • Feddersen, Falk; Trowbridge, John H.; Williams, Albert J. (American Meteorological Society, 2007-07)
    The vertical structure of the dissipation of turbulence kinetic energy was observed in the nearshore region (3.2-m mean water depth) with a tripod of three acoustic Doppler current meters off a sandy ocean beach. Surface ...
  • Jensen, Frants H.; Bejder, Lars; Wahlberg, Magnus; Aguilar De Soto, Natacha; Johnson, Mark P.; Madsen, Peter T. (Inter-Research, 2009-12-03)
    Increasing numbers and speeds of vessels in areas with populations of cetaceans may have the cumulative effect of reducing habitat quality by increasing the underwater noise level. Here, we first use digital acoustic tags ...

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