Now showing items 2657-2676 of 7683

    • 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 benefit and climate warming potential of nitrogen fertilizer uses in China 

      Tian, Hanqin; Lu, Chaoqun; Melillo, Jerry M.; Ren, Wei; Huang, Yao; Xu, Xiaofeng; Liu, Mingliang; Zhang, Chi; Chen, Guangsheng; Pan, Shufen; Liu, Jiyuan; Reilly, John M. (IOP Publishing, 2012-10-31)
      Chemical nitrogen (N) fertilizer has long been used to help meet the increasing food demands in China, the top N fertilizer consumer in the world. Growing concerns have been raised on the impacts of N fertilizer uses on ...
    • 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 ...
    • The footprint of Alaskan tundra fires during the past half-century : implications for surface properties and radiative forcing 

      Rocha, Adrian V.; Loranty, Michael M.; Higuera, Philip E.; Mack, Michelle C.; Hu, Feng Sheng; Jones, Benjamin M.; Breen, Amy L.; Rastetter, Edward B.; Goetz, Scott J.; Shaver, Gaius R. (IOP Publishing, 2012-12-19)
      Recent large and frequent fires above the Alaskan arctic circle have forced a reassessment of the ecological and climatological importance of fire in arctic tundra ecosystems. Here we provide a general overview of the ...
    • Force and length in the mitotic spindle 

      Dumont, Sophie; Mitchison, Timothy J. (2009-07)
      The mitotic spindle assembles to a steady-state length at metaphase through the integrated action of molecular mechanisms that generate and respond to mechanical forces. While molecular mechanisms that produce force have ...
    • 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 ...
    • Forecasting effects of sea-level rise and windstorms on coastal and inland ecosystems 

      Hopkinson, Charles S.; Lugo, Ariel E.; Alber, Merryl; Covich, Alan P.; Van Bloem, Skip J. (Ecological Society of America, 2008-06)
      We identify a continental-scale network of sites to evaluate how two aspects of climate change – sea-level rise and intensification of windstorms – will influence the structure, function, and capacity of coastal and inland ...
    • Forensic analysis of the microbiome of phones and shoes 

      Lax, Simon; Hampton-Marcell, Jarrad T.; Gibbons, Sean M.; Colares, Georgia Barguil; Smith, Daniel; Eisen, Jonathan A.; Gilbert, Jack A. (BioMed Central, 2015-05-12)
      Microbial interaction between human-associated objects and the environments we inhabit may have forensic implications, and the extent to which microbes are shared between individuals inhabiting the same space may be relevant ...
    • 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 dynamics of subsurface hydrocarbon intrusions following the Deepwater Horizon blowout 

      Socolofsky, Scott A.; Adams, E. Eric; Sherwood, Christopher R. (American Geophysical Union, 2011-05-12)
      Hydrocarbons released following the Deepwater Horizon (DH) blowout were found in deep, subsurface horizontal intrusions, yet there has been little discussion about how these intrusions formed. We have combined measured (or ...
    • Formation of fine sediment deposit from a flash flood river in the Mediterranean Sea 

      Grifoll, Manel; Gracia, Vicenc; Aretxabaleta, Alfredo L.; Guillen, Jorge; Espino, Manuel; Warner, John C. (John Wiley & Sons, 2014-09-09)
      We identify the mechanisms controlling fine deposits on the inner-shelf in front of the Besòs River, in the northwestern Mediterranean Sea. This river is characterized by a flash flood regime discharging large amounts of ...
    • 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 ...