Now showing items 1940-1959 of 4897

  • Gravity currents from a dam-break in a rotating channel 

    Helfrich, Karl R.; Mullarney, Julia C. (Cambridge University Press, 2005-07-26)
    The generation of a gravity current by the release of a semi-infinite region of buoyant fluid of depth $H$ overlying a deeper, denser and quiescent lower layer in a rotating channel of width $w$ is considered. Previous ...
  • The gravity field and plate boundaries in Venezuela 

    Folinsbee, Robert Allin (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1972-01)
    Free-air and simple Bouguer anomaly maps of the Venezuelan continental margin (from 60°W to 72°W and from 7°N to 13°N) are presented. The major features of the free-air map are: the large lows associated with the deep ...
  • Gravity observations 09.0°E to 37.9°W along the equator 

    Dean, Jerome P.; McCullough, C. B. (Woods Hole Oceanographic Institution, 1972-07)
    This report presents free air gravity values and computed free air anomalies obtained on an equatorial traverse from 09°00'E. to 37°56'W. It is the second of a series of reports presenting the gravity data to be used in ...
  • Gravity wave characteristics in the mesopause region revealed from OH airglow imager observations over Northern Colorado 

    Tang, Yihuan; Dou, Xiankang; Li, Tao; Nakamura, Takuji; Xue, Xianghui; Huang, Can; Manson, Alan; Meek, Chris; Thorsen, Denise; Avery, Susan K. (John Wiley & Sons, 2014-01-31)
    Using 5 years of all-sky OH airglow imager data over Yucca Ridge Field Station, CO (40.7°N, 104.9°W), from September 2003 to September 2008, we extract and deduce quasi-monochromatic gravity wave (GW) characteristics in ...
  • The great 2012 Arctic Ocean summer cyclone enhanced biological productivity on the shelves 

    Zhang, Jinlun; Ashjian, Carin J.; Campbell, Robert G.; Hill, Victoria; Spitz, Yvette H.; Steele, Michael (John Wiley & Sons, 2014-01-16)
    A coupled biophysical model is used to examine the impact of the great Arctic cyclone of early August 2012 on the marine planktonic ecosystem in the Pacific sector of the Arctic Ocean (PSA). Model results indicate that the ...
  • The Greenland Flow Distortion Experiment 

    Renfrew, Ian A.; Petersen, Guðrún N.; Outten, S.; Sproson, D.; Moore, G. W. K.; Hay, C.; Ohigashi, T.; Zhang, S.; Kristjansson, J. E.; Fore, I.; Olafsson, H.; Gray, S. L.; Irvine, E. A.; Bovis, K.; Brown, P. R. A.; Swinbank, R.; Haine, Thomas W. N.; Lawrence, A.; Pickart, Robert S.; Shapiro, M.; Woolley, A. (American Meteorological Society, 2008-09)
    Greenland has a major influence on the atmospheric circulation of the North Atlantic–western European region, dictating the location and strength of mesoscale weather systems around the coastal seas of Greenland and directly ...
  • Greenland's Island Rule and the Arctic Ocean circulation 

    Joyce, Terrence M.; Proshutinsky, Andrey (Sears Foundation for Marine Research, 2007-09)
    In order to explain observed southward water transport of 2-3 Sv through Davis Strait, a simple extension of Godfrey's (1989) Island Rule and a 2-D idealized numerical model simulations were made for the flow around ...
  • Gross and net production during the spring bloom along the Western Antarctic Peninsula 

    Goldman, Johanna A. L.; Kranz, Sven A.; Young, Jodi N.; Tortell, Philippe D.; Stanley, Rachel H. R.; Bender, Michael L.; Morel, Francois M. M. (2014-10)
    This study explores some of the physiological mechanisms responsible for high productivity near the shelf in the Western Antarctic Peninsula despite a short growing season and cold temperature. We measured gross and net ...
  • Growth and composition of high-Mg calcite in the skeleton of a Bermudian gorgonian (Plexaurella dichotoma) : potential for paleothermometry 

    Bond, Zoe A.; Cohen, Anne L.; Smith, Struan R.; Jenkins, William J. (American Geophysical Union, 2005-08-31)
    We used Secondary Ion Mass Spectrometry (SIMS) ion microprobe to analyze magnesium-to-calcium (Mg/Ca) and strontium-to-calcium (Sr/Ca) ratios of high-Mg calcite loculi within the skeleton of a shallow water gorgonian, ...
  • Growth and development of larval bay scallops (Argopecten irradians) in response to early exposure to high CO2 

    White, Meredith M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2013-02)
    Coastal and estuarine environments experience large variability and rapid shifts in pCO2 levels. Elevated pCO2, or ocean acidification, often negatively affects early life stages of calcifying m ...
  • Growth and specific P-uptake rates of bacterial and phytoplanktonic communities in the Southeast Pacific (BIOSOPE cruise) 

    Duhamel, Solange; Moutin, T.; Van Wambeke, F.; Van Mooy, Benjamin A. S.; Rimmelin, P.; Raimbault, P.; Claustre, H. (Copernicus Publications on behalf of the European Geosciences Union, 2007-11-08)
    Predicting heterotrophic bacteria and phytoplankton specific growth rates (μ) is of great scientific interest. Many methods have been developed in order to assess bacterial or phytoplankton μ. One widely used method is to ...
  • Growth rate and age effects on Mya arenaria shell chemistry: Implications for biogeochemical studies 

    Strasser, Carly A.; Mullineaux, Lauren S.; Walther, Benjamin D. (Elsevier B.V., 2008-01-30)
    The chemical composition of bivalve shells can reflect that of their environment, making them useful indicators of climate, pollution, and ecosystem changes. However, biological factors can also influence chemical properties ...
  • Gulf of Maine seals - fisheries interactions and integrated research : final report 

    Nichols, Owen C.; Bogomolni, Andrea L.; Bradfield, Elizabeth C.; Early, Greg A.; Sette, Lisa; Wood, Stephanie (Woods Hole Oceanographic Institution, 2011-10)
    The 2011 meeting, “Gulf of Maine Seals: Fisheries Interactions and Integrated Research”, held at the Provincetown Center for Coastal Studies (PCCS), featured posters and oral presentations as well as a series of discussion ...
  • Gulf of Maine seals - populations, problems and priorities 

    Bogomolni, Andrea L.; Early, Greg A.; Matassa, Keith; Nichols, Owen C.; Sette, Lisa (Woods Hole Oceanographic Institution, 2010-06)
    As pinniped populations shift and change along the northeast U.S. and Canadian coastline, so too do the interests and issues of regional residents, scientists and stakeholders. In May 2009 the Woods Hole Oceanographic ...
  • Gulf Stream recirculation experiment - Part II 

    Wooding, Christine M.; Owens, W. Brechner; Zemanovic, Marguerite E.; Valdes, James R. (Woods Hole Oceanographic Institution, 1989-09)
    This report presents trajectories and time series of velocity, pressure, and temperature for twelve neutrally-buoyant floats launched during the Gulf Stream Recirculation EXperiment (GUSREX) and two from earlier experiments, ...
  • Gulf Stream temperature, salinity and transport during the last millennium 

    Lund, David C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2006-02)
    Benthic and planktonic foraminiferal δ18O (δ18Oc) from a suite of well-dated, high-resolution cores spanning the depth and width of the Straits of Florida reveal significant changes in Gulf Stream cross-current density ...
  • Gut-associated microbial symbionts of the marsh fiddler crab, Uca pugnax 

    Gulmann, Lara K. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2004-09)
    Digestive associations between marine invertebrates and resident (attached) microbial communities may playa critical role in host physiology and involve previously unidentified microbial species. The overarching goal of ...
  • Habitat associations in gastropod species at East Pacific Rise hydrothermal vents (9°50'N) 

    Mills, Susan W.; Mullineaux, Lauren S.; Tyler, Paul A. (Marine Biological Laboratory, 2007-06)
    At deep-sea hydrothermal vents on the East Pacific Rise (9°50'N), distinct megafaunal assemblages are positioned along strong thermal and chemical gradients. We investigated the distribution of gastropod species to determine ...
  • Habitat associations of juvenile versus adult butterflyfishes 

    Pratchett, Morgan S.; Berumen, Michael L.; Marnane, M. J.; Eagle, J. V.; Pratchett, D. J. (2007-10)
    Many coral reef fishes exhibit distinct ontogenetic shifts in habitat use while some species settle directly in adult habitats, but there is not any general explanation to account for these differences in settlement ...
  • Habitat damage, marine reserves, and the value of spatial management 

    Moeller, Holly V.; Neubert, Michael G. (Ecological Society of America, 2013-07)
    The biological benefits of marine reserves have garnered favor in the conservation community, but “no-take” reserve implementation is complicated by the economic interests of fishery stakeholders. There are now a number ...