Now showing items 1940-1959 of 5758

    • Following a foraging fish-finder : diel habitat use of Blainville's beaked whales revealed by echolocation 

      Arranz, Patricia; Aguilar De Soto, Natacha; Madsen, Peter T.; Brito, Alberto; Bordes, Fernando; Johnson, Mark P. (Public Library of Science, 2011-12-07)
      Simultaneous high resolution sampling of predator behavior and habitat characteristics is often difficult to achieve despite its importance in understanding the foraging decisions and habitat use of predators. Here we tap ...
    • Food habits of Atlantic white-sided dolphins (Lagenorhynchus acutus) off the coast of New England 

      Craddock, James E.; Polloni, Pamela T.; Hayward, Brett; Wenzel, Frederick W. (U.S. Dept. of Commerce, NOAA NMFS, 2009-07)
      Although the Atlantic white-sided dolphin (Lagenorhynchus acutus) is one of the most common dolphins off New England, little has been documented about its diet in the western North Atlantic Ocean. Current federal ...
    • Food habits of Sowerby’s beaked whales (Mesoplodon bidens) taken in the pelagic drift gillnet fishery of the western North Atlantic 

      Wenzel, Frederick W.; Polloni, Pamela T.; Craddock, James E.; Gannon, Damon P.; Nicolas, John R.; Read, Andrew J.; Rosel, Patricia E. (National Marine Fisheries Service, NOAA, 2013-08)
      We describe the food habits of the Sowerby’s beaked whale (Mesoplodon bidens) from observations of 10 individuals taken as bycatch in the pelagic drift gillnet fishery for Swordfish (Xiphias gladius) in the western ...
    • Forcing of tropical Atlantic sea surface temperatures during the mid-Pleistocene transition 

      Schefuß, Enno; Sinninghe Damste, Jaap S.; Jansen, J. H. Fred (American Geophysical Union, 2004-12-28)
      We compare a new mid-Pleistocene sea surface temperature (SST) record from the eastern tropical Atlantic to changes in continental ice volume, orbital insolation, Atlantic deepwater ventilation, and Southern Ocean front ...
    • The forgotten whale : a bibliometric analysis and literature review of the North Atlantic sei whale Balaenoptera borealis 

      Prieto, Rui; Janiger, David; Silva, Monica A.; Waring, Gordon T.; Goncalves, Joao M. A. (2012-07)
      1. A bibliometric analysis of the literature on the sei whale Balaenoptera borealis is presented. Research output on the species is quantified and compared with research on four other whale species. The results show a ...
    • Form, function and flow in the plankton : jet propulsion and filtration by pelagic tunicates 

      Sutherland, Kelly R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2010-02)
      Trade-offs between filtration rate and swimming performance among several salp species with distinct morphologies and swimming styles were compared. Small-scale particle encounter at the salp filtering apparatus was also ...
    • Formation and erosion of the seasonal thermocline in the Kuroshio Extension Recirculation Gyre 

      Cronin, Meghan F.; Bond, Nicholas A.; Farrar, J. Thomas; Ichikawa, Hiroshi; Jayne, Steven R.; Kawai, Yoshimi; Konda, Masanori; Qiu, Bo; Rainville, Luc; Tomita, Hiroyuki (Elsevier Ltd., 2012-07-21)
      Data from the Kuroshio Extension Observatory (KEO) surface mooring are used to analyze the balance of processes affecting the upper ocean heat content and surface mixed layer temperature variations in the Recirculation ...
    • Formation and export of deep water in the Labrador and Irminger Seas in a GCM 

      Deshayes, Julie; Frankignoul, Claude; Drange, Helge (2006-12-13)
      The influence of changes in the rate of deep water formation in the North Atlantic subpolar gyre on the variability of the transport in the Deep Western Boundary Current is investigated in a realistic hind cast simulation ...
    • The formation and fate of internal waves in the South China Sea 

      Alford, Matthew H.; Peacock, Thomas; MacKinnon, Jennifer A.; Nash, Jonathan D.; Buijsman, Maarten C.; Centurioni, Luca R.; Chao, Shenn-Yu; Chang, Ming-Huei; Farmer, David M.; Fringer, Oliver B.; Fu, Ke-Hsien; Gallacher, Patrick C.; Graber, Hans C.; Helfrich, Karl R.; Jachec, Steven M.; Jackson, Christopher R.; Klymak, Jody M.; Ko, Dong S.; Jan, Sen; Johnston, T. M. Shaun; Legg, Sonya; Lee, I-Huan; Lien, Ren-Chieh; Mercier, Matthieu J.; Moum, James N.; Musgrave, Ruth; Park, Jae-Hun; Pickering, Andrew I.; Pinkel, Robert; Rainville, Luc; Ramp, Steven R.; Rudnick, Daniel L.; Sarkar, Sutanu; Scotti, Alberto; Simmons, Harper L.; St Laurent, Louis C.; Venayagamoorthy, Subhas K.; Wang, Yu-Huai; Wang, Joe; Yang, Yiing-Jang; Paluszkiewicz, Theresa; Tang, Tswen Yung (2015-03)
      Internal gravity waves, the subsurface analogue of the familiar surface gravity waves that break on beaches, are ubiquitous in the ocean. Because of their strong vertical and horizontal currents, and the turbulent mixing ...
    • Formation and spreading of Red Sea Outflow Water in the Red Sea 

      Zhai, Ping; Bower, Amy S.; Smethie, William M.; Pratt, Lawrence J. (John Wiley & Sons, 2015-09-29)
      Hydrographic data, chlorofluorocarbon-12 (CFC-12) and sulfur hexafluoride (SF6) measurements collected in March 2010 and September–October 2011 in the Red Sea, as well as an idealized numerical experiment are used to study ...
    • Formation of intrathermocline eddies at ocean fronts by wind-driven destruction of potential vorticity 

      Thomas, Leif N. (2008-02)
      A mechanism for the generation of intrathermocline eddies (ITEs) at wind-forced fronts is examined using a high resolution numerical simulation. Favorable conditions for ITE formation result at fronts forced by “down-front” ...
    • Formation of intrathermocline lenses by eddy–wind interaction 

      McGillicuddy, Dennis J. (American Meteorological Society, 2015-02)
      Mesoscale intrathermocline lenses are observed throughout the World Ocean and are commonly attributed to water mass anomalies advected from a distant origin. An alternative mechanism of local generation is offered herein, ...
    • Formation of submarine lava channel textures : insights from laboratory simulations 

      Garry, W. Brent; Gregg, Tracy K. P.; Soule, Samuel A.; Fornari, Daniel J. (American Geophysical Union, 2006-03-28)
      Laboratory simulations using polyethylene glycol (PEG) extruded at a constant rate and temperature into a tank with a uniform basal slope and filled with a cold sucrose solution generate channels that are defined by ...
    • Formation of Subtropical Mode Water in a high-resolution ocean simulation of the Kuroshio Extension region 

      Rainville, Luc; Jayne, Steven R.; McClean, Julie L.; Maltrud, Mathew E. (2007-03-09)
      A high-resolution numerical model is used to examine the formation and variability of the North Pacific Subtropical ModeWater (STMW) over a 3-year period. The STMW distribution is found to be highly variable in both space ...
    • Formation of the Isthmus of Panama 

      O’Dea, Aaron; Lessios, Harilaos; Coates, Anthony; Eytan, Ron I.; Restrepo-Moreno, Sergio A.; Cione, Alberto L.; Collins, Laurel S.; de Queiroz, Alan; Farris, David W.; Norris, Richard D.; Stallard, Robert; Woodburne, Michael; Aguilera, Orangel; Aubry, Marie-Pierre; Berggren, William; Budd, Ann F.; Cozzuol, Mario A.; Coppard, Simon E.; Duque-Caro, Hermann; Finnegan, Seth; Gasparini, Germán M.; Grossman, Ethan L.; Johnson, Kenneth G.; Keigwin, LLoyd; Knowlton, Nancy; Leigh, Egbert G.; Leonard-Pingel, Jill S.; Marko, Peter B.; Pyenson, Nicholas; Rachello-Dolmen, Paola G.; Soibelzon, Esteban; Soibelzon, Leopoldo; Todd, Jonathan A.; Vermeij, Geerat J.; Jackson, Jeremy B. C. (American Association for the Advancement of Science, 2016-08-17)
      The formation of the Isthmus of Panama stands as one of the greatest natural events of the Cenozoic, driving profound biotic transformations on land and in the oceans. Some recent studies suggest that the Isthmus formed ...
    • Fortnightly tides and subtidal motions in a choked inlet 

      MacMahan, Jamie; van de Kreeke, Jacobus; Reniers, Ad; Elgar, Steve; Raubenheimer, Britt; Thornton, Ed B.; Weltmer, Micah; Rynne, Patrick; Brown, Jenna (Elsevier, 2014-04-12)
      Amplitudes of semi-diurnal tidal fluctuations measured at an ocean inlet system decay nearly linearly by 87% between the ocean edge of the offshore ebb-tidal delta and the backbay. A monochromatic, dynamical model for a ...
    • Forward scattering of a pulsed continuous wave signal through laminar and turbulent thermal plumes 

      Bowen, Stephen G. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1993-09)
      The results of an experiment examining the forward propagation or an acoustic signal through a buoyant plume are discussed. Two distinct testing sights were used. One made use of a small fresh water tank in NUWC to provide ...
    • Forward sound propagation around seamounts : application of acoustic models to the Kermit-Roosevelt and Elvis seamounts 

      Kim, Hyun Joe (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2009-06)
      The Basin Acoustic Seamount Scattering Experiment (BASSEX) of 2004 was conducted to measure forward-scattering around the Kermit-Roosevelt Seamount Complex in the Northeast Pacific. The BASSEX experiment was focused on ...
    • A fossil winonaite-like meteorite in Ordovician limestone : a piece of the impactor that broke up the L-chondrite parent body? 

      Schmitz, Birger; Huss, Gary R.; Meier, Matthias M. M.; Peucker-Ehrenbrink, Bernhard; Church, Ross P.; Cronholm, Anders; Davies, Melvyn B.; Heck, Philipp R.; Johansen, Anders; Keil, Klaus; Kristiansson, Per; Ravizza, Gregory E.; Tassinari, Mario; Terfelt, Fredrik (Elsevier, 2014-06-06)
      About a quarter of all meteorites falling on Earth today originate from the breakup of the L-chondrite parent body ∼470 Ma∼470 Ma ago, the largest documented breakup in the asteroid belt in the past ∼3 Ga∼3 Ga. A window ...
    • Four current meter models compared in strong currents in Drake Passage 

      Watts, D. Randolph; Kennelly, Maureen A.; Donohue, Kathleen A.; Tracey, Karen L.; Chereskin, Teresa K.; Weller, Robert A.; Victoria, Ivan (American Meteorological Society, 2013-10)
      Seven current meters representing four models on a stiffly buoyed mooring were placed for an 11-month deployment to intercompare their velocity measurements: two vector-measuring current meters (VMCMs), two Aanderaa recording ...