Now showing items 323-342 of 1158

  • Evaluation of Arctic sea ice thickness simulated by Arctic Ocean Model Intercomparison Project models 

    Johnson, Mark; Proshutinsky, Andrey; Aksenov, Yevgeny; Nguyen, An T.; Lindsay, Ron; Haas, Christian; Zhang, Jinlun; Diansky, Nikolay; Kwok, Ron; Maslowski, Wieslaw; Hakkinen, Sirpa M. A.; Ashik, Igor M.; de Cuevas, Beverly (American Geophysical Union, 2012-03-15)
    Six Arctic Ocean Model Intercomparison Project model simulations are compared with estimates of sea ice thickness derived from pan-Arctic satellite freeboard measurements (2004–2008); airborne electromagnetic measurements ...
  • Evaluation of GEOSAT data and application to variability of the Northeast Pacific Ocean 

    Campbell, Jeffrey W. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1988-09)
    A portion of the northeast Pacific ocean was chosen within which to evaluate and use altimetric data from the U.S. Navy Geodetic Satellite GEOSAT. The zero-order accuracy of the major GEOSAT geophysical data record (GDR) ...
  • Evaluation of monsoon seasonality and the tropospheric biennial oscillation transitions in the CMIP models 

    Li, Yue; Jourdain, Nicolas C.; Taschetto, Andrea S.; Ummenhofer, Caroline C.; Ashok, Karumuri; Sen Gupta, Alexander (American Geophysical Union, 2012-10-26)
    Characteristics of the Indian and Australian summer monsoon systems, their seasonality and interactions are examined in a variety of observational datasets and in the Coupled Model Intercomparison Project Phase 3 and 5 ...
  • Evaluation of NSCAT scatterometer winds using equatorial Pacific buoy observations 

    Caruso, Michael J.; Dickinson, Suzanne; Kelly, Kathryn A.; Spillane, Mick; Mangum, Linda J.; McPhaden, Michael J.; Stratton, Linda D. (Woods Hole Oceanographic Institution, 1999-07)
    As part of the calibration/validation effort for NASA's Scatterometer (NSCAT) we compare the satellite data to winds measured at the sea surface with an array of buoys moored in the equatorial Pacific Ocean. The NSCAT ...
  • Evaporative dense water formation and cross-shelf exchange over the northwest Australian inner shelf 

    Shearman, R. Kipp; Brink, Kenneth H. (American Geophysical Union, 2010-06-29)
    High-resolution surveys of oceanographic and atmospheric conditions made during the winter over the inner shelf off northwest Australia are used to examine the coastal ocean response to large outgoing heat and freshwater ...
  • The evolution and demise of North Brazil Current rings 

    Fratantoni, David M.; Richardson, Philip L. (American Meteorological Society, 2006-07)
    Subsurface float and surface drifter observations illustrate the structure, evolution, and eventual demise of 10 North Brazil Current (NBC) rings as they approached and collided with the Lesser Antilles in the western ...
  • Evolution of the Irminger Current anticyclones in the Labrador Sea from hydrographic data 

    Rykova, Tatiana A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2006-06)
    The continuous supply of heat and fresh water from the boundaries to the interior of the Labrador Sea plays an important role for the dynamics of the region and in particular, for the Labrador Sea Water formation. Thus, ...
  • The evolution of upper ocean thermal structure at 10°N, 125°W during 1997-1998 

    Farrar, J. Thomas (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2003-09)
    In this thesis I have endeavored to determine the factors and physical processes that controlled SST and thermocline depth at 10°N, 125°W during the Pan American Climate Study (PACS) field program. Analysis based on the ...
  • Exchanges between hemispheres and gyres : a direct approach to the mean circulation of the equatorial Pacific 

    Wijffels, Susan E. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1993-09)
    An extensive set of new high-quality hydrographic data is assembled in order to determine the mean circulation in the equatorial Pacific, and thus the pathways for cross-equatorial and cross-gyre exchange. Making up the ...
  • Experimental and numerical studies of sound propagation over a submarine canyon northeast of Taiwan 

    Lin, Ying-Tsong; Duda, Timothy F.; Emerson, Chris; Gawarkiewicz, Glen G.; Newhall, Arthur E.; Calder, Brian; Lynch, James F.; Abbot, Philip A.; Yang, Yiing-Jang; Jan, Sen (IEEE, 2015-01-09)
    A study of sound propagation over a submarine canyon northeast of Taiwan was made using mobile acoustic sources during a joint ocean acoustic and physical oceanographic experiment in 2009. The acoustic signal levels ...
  • An experimental study of a mesoscale vortex colliding with topography of varying geometry in a rotating fluid 

    Adduce, Claudia; Cenedese, Claudia (Sears Foundation for Marine Research, 2004-09)
    The interaction of a self-propagating barotropic cyclonic vortex with an obstacle has been investigated and the conditions for a vortex to bifurcate into two vortices determined. As in a previous study, after a self-propagating ...
  • Experimental study of internal gravity waves over a slope 

    Cacchione, David A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1970-09)
    A series of laboratory experiments were conducted in a glass wave tank to investigate the propagation of internal gravity waves up a sloping bottom in a fluid with constant Brunt-Vaisala frequency. Measurements of the ...
  • Experimental study of the effect of rotation on nonlinear internal waves 

    Grimshaw, Roger H. J.; Helfrich, Karl R.; Johnson, Edward R. (2013-03-01)
    Large amplitude internal waves are commonly observed in the coastal ocean. In the weakly nonlinear long wave r egime, they are often modeled by the Korteweg-de Vries equation, which predicts that the long-time outcome ...
  • An experimental study on mixing induced by gravity currents on a sloping bottom in a rotating fluid 

    Ohiwa, Mitchihiro (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2002-09)
    Mixing induced by gravity currents on a sloping bottom was studied through laboratory experiments in a rotating fluid. The dense fluid on the sloping bottom formed a gravity current that could be in regimes where the ...
  • An experimental study on thermal circulation driven by horizontal differential heating 

    Wang, Wei; Huang, Rui Xin (Cambridge University Press, 2005-09-27)
    Circulation driven by horizontal differential heating is studied, using a double-walled Plexiglas tank (20×15×2.5 cm3) filled with salt water. For instances of heating/cooling from above and below, results indicate that ...
  • Experiments in a rotating source-sink annulus 

    Ingram, Richard Grant (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1971-08)
    An experimental investigation of the different flow regimes in a rotating source-sink annulus is described. Both the steady and transient velocities are measured over a large range of Ekman Reynolds number and Rossby number. ...
  • Explaining the global distribution of peak-spectrum variability of sea surface height 

    Lin, Xiaopei; Yang, Jiayan; Wu, Dexing; Zhai, Ping (American Geophysical Union, 2008-07-19)
    A 14-year satellite observation of sea surface height (SSH) reveals an interesting pattern. Along any latitude, there is a frequency at which the SSH power spectrum peaks, regardless of which hemisphere or oceanic basin. ...
  • An exploration of the North Atlantic current and its recirculation in the Newfoundland basin using SOFAR floats 

    Owens, W. Brechner; Zemanovic, Marguerite E. (Woods Hole Oceanographic Institution, 1990-07)
    Trajectories and time series of velocity, temperature, and pressure are presented for 13 neutrally-buoyant, acoustically tracked (SOFAR) floats that were launched in May and June, 1986 in the Newfoundland Basin by the ...
  • Explosive volcanism on the ultraslow-spreading Gakkel ridge, Arctic Ocean 

    Sohn, Robert A.; Willis, Claire; Humphris, Susan E.; Shank, Timothy M.; Singh, Hanumant; Edmonds, Henrietta N.; Kunz, Clayton G.; Hedman, Ulf; Helmke, Elisabeth; Jakuba, Michael V.; Liljebladh, Bengt; Linder, Julia; Murphy, Christopher A.; Nakamura, Ko-ichi; Sato, Taichi; Schlindwein, Vera; Stranne, Christian; Tausenfreund, Upchurch; Winsor, Peter; Jakobsson, Martin; Soule, Samuel A. (2007-11-26)
    Roughly 60% of the Earth’s outer surface is comprised of oceanic crust formed by volcanic processes at mid-ocean ridges (MORs). Although only a small fraction of this vast volcanic terrain has been visually surveyed ...
  • Extracting wind sea and swell from directional wave spectra derived from a bottom-mounted ADCP 

    Churchill, James H.; Plueddemann, Albert J.; Faluotico, Stephen M. (Woods Hole Oceanographic Institution, 2006-07)
    Recent advances in processing velocity data from bottom-mounted Acoustic Doppler Current Profilers (ADCPs) offer the capability of partitioning directional wave specctra of surface wave height in order to separate locally ...