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Browsing Woods Hole Oceanographic Institution by Title

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  • Conrad, Clinton P.; Behn, Mark D. (American Geophysical Union, 2010-05-13)
    Although an average westward rotation of the Earth's lithosphere is indicated by global analyses of surface features tied to the deep mantle (e.g., hot spot tracks), the rate of lithospheric drift is uncertain despite its ...
  • Learman, Deric R.; Voelker, Bettina M.; Madden, Andrew S.; Hansel, Colleen M. (Frontiers Media, 2013-09-03)
    Manganese (Mn) oxides are among the most reactive sorbents and oxidants within the environment, where they play a central role in the cycling of nutrients, metals, and carbon. Recent discoveries have identified superoxide ...
  • Shillington, Donna J.; Van Avendonk, Harm J. A.; Behn, Mark D.; Kelemen, Peter B.; Jagoutz, Oliver (John Wiley & Sons, 2013-06-07)
    Determining the bulk composition of island arc lower crust is essential for distinguishing between competing models for arc magmatism and assessing the stability of arc lower crust. We present new constraints on the ...
  • Krawczynski, Michael J.; Behn, Mark D.; Das, Sarah B.; Joughin, Ian (American Geophysical Union, 2009-05-16)
    Water-filled cracks are an effective mechanism to drive hydro-fractures through thick ice sheets. Crack geometry is therefore critical in assessing whether a supraglacial lake contains a sufficient volume of water to keep ...
  • Petillo, Stephanie; Schmidt, Henrik; Balasuriya, Arjuna (Hindawi, 2012)
    In recent years, there has been significant concern about the impacts of offshore oil spill plumes and harmful algal blooms on the coastal ocean environment and biology, as well as on the human populations adjacent to these ...
  • Steele, John H.; Ruzicka, James J. (2011-03)
    The wide availability of ECOPATH data sets provides a valuable resource for the comparative analysis of marine ecosystems. We show how to derive a bottom-up transform from the top-down ECOPATH; couple this to a simple NPZD ...
  • Blacic, Tanya M.; Ito, Garrett T.; Canales, J. Pablo; Detrick, Robert S.; Sinton, John M. (American Geophysical Union, 2004-10-21)
    Multichannel seismic reflection data are used to infer crustal accretion processes along the intermediate spreading Galapagos Spreading Center. East of 92.5°W, we image a magma lens beneath the ridge axis that is relatively ...
  • Steele, John H.; Aydin, Kerim; Gifford, Dian J.; Hofmann, Eileen E. (2011-10)
    We review briefly the diversity of modeling activity that comes under the rubric of end-to-end (E2E) models, but the focus of this paper – of joint concern to researchers and to managers - is on applications to management ...
  • Geist, Dennis J.; Diefenbach, Bridget A.; Fornari, Daniel J.; Kurz, Mark D.; Harpp, Karen S.; Blusztajn, Jerzy S. (American Geophysical Union, 2008-03-19)
    New multibeam bathymetric and side-scan sonar data from the southwestern edge of the Galápagos platform reveal the presence of ∼60 large, stepped submarine terraces between depths of 800 m and 3500 m. These terraces are ...
  • Guitart, Carlos; Slattery, Marc; Ankisetty, Sridevi; Radwan, Mohamed; Ross, Samir J.; Letcher, Robert J.; Reddy, Christopher M. (2010-12)
    Considerable debate surrounds the sources of oxygenated polybrominated diphenyl ethers (O-PBDEs) in wildlife as to whether they are naturally produced or result from anthropogenic industrial activities. Natural radiocarbon ...
  • Peucker-Ehrenbrink, Bernhard; Miller, Mark W.; Arsouze, Thomas; Jeandel, Catherine (American Geophysical Union, 2010-03-27)
    Realistic models of past climate and ocean chemistry depend on reconstructions of the Earth's surface environments in the geologic past. Among the critical parameters is the geologic makeup of continental drainage. Here ...
  • Tucholke, Brian E.; Houtz, Robert E.; Barrett, Douglas M. (American Geophysical Union, 1981-05-10)
    The Agulhas Plateau lies 500 km off the Cape of Good Hope in the southwestern Indian Ocean. Acoustic basement beneath the northern one third of this large, aseismic structural high has rugged morphology, but basement in ...
  • Lam, Phoebe J.; Bishop, James K. B. (American Geophysical Union, 2008-04-09)
    Here we show that labile particulate iron and manganese concentrations in the upper 500 m of the Western Subarctic Pacific, an iron-limited High Nutrient Low Chlorophyll (HNLC) region, have prominent subsurface maxima ...
  • Walther, Benjamin D.; Thorrold, Simon R. (NRC Research Press, 2008-11-26)
    We assembled a comprehensive atlas of geochemical signatures in juvenile American shad (Alosa sapidissima) to discriminate natal river origins on a large spatial scale and at a high spatial resolution. Otoliths and (or) ...
  • Glenn, Scott M. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1983-01)
    A simple model for the bottom boundary layer on the continental shelf is presented. The governing equations are developed for a stratified, turbulent Ekman layer in a combined wave and current flow over a moveable sediment ...
  • Whitehead, John A.; Clift, Peter D. (American Geophysical Union, 2009-05-21)
    To the simplest approximation, Earth's continental crust is a floating aggregate on the planet's surface that is first attracted to subduction zones and, upon arrival, thickened by mountain building (then producing some ...
  • Joughin, Ian; Bindschadler, R. A.; King, Matt A.; Voigt, D.; Alley, Richard B.; Anandakrishnan, S.; Horgan, H.; Peters, L.; Winberry, P.; Das, Sarah B.; Catania, Ginny (American Geophysical Union, 2005-11-17)
    Earlier observations indicated that Whillans Ice Stream slowed from 1973 to 1997. We collected new GPS observations of the ice stream's speed in 2003 and 2004. These data show that the ice stream is continuing to decelerate ...
  • Johns, W. E.; Baringer, Molly O.; Beal, L. M.; Cunningham, S. A.; Kanzow, Torsten; Bryden, Harry L.; Hirschi, J. J. M.; Marotzke, J.; Meinen, C. S.; Shaw, B.; Curry, Ruth G. (American Meteorological Society, 2011-05-15)
    Continuous estimates of the oceanic meridional heat transport in the Atlantic are derived from the Rapid Climate Change–Meridional Overturning Circulation (MOC) and Heatflux Array (RAPID–MOCHA) observing system deployed ...
  • McIntyre, Cameron P.; Galutschek, Ernst; Roberts, Mark L.; von Reden, Karl F.; McNichol, Ann P.; Jenkins, William J. (Dept. of Geosciences, University of Arizona, 2010-08)
    Gas-accepting ion sources for radiocarbon accelerator mass spectrometry (AMS) have permitted the direct analysis of CO2 gas, eliminating the need to graphitize samples. As a result, a variety of analytical instruments can ...
  • Helfrich, Karl R. (Sears Foundation for Marine Research, 2008-05)
    A model for hydrostatic, fully nonlinear, low-mode internal tides is extended to continuously stratified conditions. Periodic inertia-gravity solutions of permanent form are shown to exist only for a limited range of ...

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