Now showing items 2171-2190 of 5955

    • Glacial influence on the geochemistry of riverine iron fluxes to the Gulf of Alaska and effects of deglaciation 

      Schroth, Andrew W.; Crusius, John; Chever, Fanny; Bostick, Benjamin C.; Rouxel, Olivier J. (American Geophysical Union, 2011-08-25)
      Riverine iron (Fe) derived from glacial weathering is a critical micronutrient source to ecosystems of the Gulf of Alaska (GoA). Here we demonstrate that the source and chemical nature of riverine Fe input to the GoA could ...
    • Glacial to Holocene swings of the Australian–Indonesian monsoon 

      Mohtadi, Mahyar; Oppo, Delia W.; Steinke, Stephan; Stuut, Jan-Berend W.; De Pol-Holz, Ricardo; Hebbeln, Dierk; Luckge, Andreas (2011-06)
      The Australian-Indonesian monsoon is an important component of the climate system in the tropical Indo-Pacific region. However, its past variability, relation with northern and southern high latitude climate and connection ...
    • Glacial water mass geometry and the distribution of δ13C of ΣCO2 in the western Atlantic Ocean 

      Curry, William B.; Oppo, Delia W. (American Geophysical Union, 2005-03-18)
      Oxygen and carbon isotopic data were produced on the benthic foraminiferal taxa Cibicidoides and Planulina from 25 new piston cores, gravity cores, and multicores from the Brazil margin. The cores span water depths from ...
    • Glacial-interglacial modulation of the marine nitrogen cycle by high-latitude O2 supply to the global thermocline 

      Galbraith, Eric D.; Kienast, Markus; Pedersen, Thomas F.; Calvert, Stephen E. (American Geophysical Union, 2004-10-16)
      An analysis of sedimentary nitrogen isotope records compiled from widely distributed marine environments emphasizes the global synchrony of denitrification changes and provides evidence for a strong temporal coupling of ...
    • Glacially generated overpressure on the New England continental shelf : integration of full-waveform inversion and overpressure modeling 

      Siegel, Jacob; Lizarralde, Daniel; Dugan, Brandon; Person, Mark (John Wiley & Sons, 2014-04-29)
      Localized zones of high-amplitude, discontinuous seismic reflections 100 km off the coast of Massachusetts, USA, have P wave velocities up to 190 m/s lower than those of adjacent sediments of equal depth (250 m below the ...
    • Glacial‐interglacial circulation changes inferred from 231Pa/230Th sedimentary record in the North Atlantic region 

      Gherardi, J.‐M.; Labeyrie, L.; Nave, S.; Francois, Roger; McManus, Jerry F.; Cortijo, E. (American Geophysical Union, 2009-05-02)
      Studies from the subtropical western and eastern Atlantic Ocean, using the 231Pa/230Th ratio as a kinematic proxy for deep water circulation, provided compelling evidence for a strong link between climate and the rate of ...
    • Global assessment of ocean carbon export by combining satellite observations and food-web models 

      Siegel, David A.; Buesseler, Ken O.; Doney, Scott C.; Sailley, Sevrine F.; Behrenfeld, Michael J.; Boyd, Philip W. (John Wiley & Sons, 2014-03-10)
      The export of organic carbon from the surface ocean by sinking particles is an important, yet highly uncertain, component of the global carbon cycle. Here we introduce a mechanistic assessment of the global ocean carbon ...
    • Global barotropic variability of the ocean in response to atmospheric forcing based on multichannel regression and Kalman filter techniques 

      Chechelnitsky, Michael Y. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1996-05)
      TOPEX/POSEIDON altimetry data are employed in the analysis of the global ocean response to atmospheric forcing. We use two different approaches to test the hypothesis that the global sea surface height variability can ...
    • Global biogeochemical fluxes program for the Ocean Observatories Initiative 

      Unknown author (OCB Project Office, 2011-05)
      This OCB Scoping Workshop will explore the potential for development of a major, sustained biogeochemical flux program aligned with the Ocean Observatories Initiative (OOI). The primary focus of this workshop will be to ...
    • Global carbon budget 2013 

      Le Quere, Corinne; Peters, Glen P.; Andres, Robert J.; Andrew, Robbie M.; Boden, T. A.; Ciais, Philippe; Friedlingstein, Pierre; Houghton, Richard A.; Marland, G.; Moriarty, Roisin; Sitch, Stephen; Tans, Pieter P.; Arneth, Almut; Arvanitis, A.; Bakker, Dorothee C. E.; Bopp, Laurent; Canadell, Josep G.; Chini, Louise Parsons; Doney, Scott C.; Harper, A.; Harris, Ian; House, Jo I.; Jain, Atul K.; Jones, S. D.; Kato, Etsushi; Keeling, Ralph F.; Klein Goldewijk, Kees; Kortzinger, A.; Koven, Charles; Lefevre, N.; Maignan, F.; Omar, A.; Ono, Tsuneo; Park, Geun-Ha; Pfeil, Benjamin; Poulter, Benjamin; Raupach, Michael R.; Regnier, P.; Rodenbeck, C.; Saito, Shu; Schwinger, Jorg; Segschneider, J.; Stocker, B. D.; Takahashi, Taro; Tilbrook, Bronte; van Heuven, Steven; Viovy, N.; Wanninkhof, Rik; Wiltshire, A.; Zaehle, Sonke (Copernicus Publications., 2014-06-17)
      Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere is important to better understand the global carbon cycle, support the ...
    • Global carbon budget 2014 

      Le Quere, Corinne; Moriarty, Roisin; Andrew, Robbie M.; Peters, Glen P.; Ciais, Philippe; Friedlingstein, Pierre; Jones, S. D.; Sitch, Stephen; Tans, Pieter P.; Arneth, Almut; Boden, T. A.; Bopp, Laurent; Bozec, Yann; Canadell, Josep G.; Chini, Louise Parsons; Chevallier, F.; Cosca, C. E.; Harris, Ian; Hoppema, Mario; Houghton, Richard A.; House, Jo I.; Jain, Atul K.; Johannessen, T.; Kato, Etsushi; Keeling, R. F.; Kitidis, Vassilis; Klein Goldewijk, Kees; Koven, Charles; Landa, C. S.; Landschutzer, Peter; Lenton, A.; Lima, Ivan D.; Marland, G.; Mathis, Jeremy T.; Metzl, Nicolas; Nojiri, Yukihiro; Olsen, Are; Ono, Tsuneo; Peng, S.; Peters, W.; Pfeil, Benjamin; Poulter, Benjamin; Raupach, Michael R.; Regnier, P.; Rodenbeck, C.; Saito, Shu; Salisbury, Joseph E.; Schuster, Ute; Schwinger, Jorg; Seferian, Roland; Segschneider, J.; Steinhoff, Tobias; Stocker, B. D.; Sutton, Adrienne J.; Takahashi, Taro; Tilbrook, Bronte; van der Werf, Guido R.; Viovy, N.; Wang, Y.-P.; Wanninkhof, Rik; Wiltshire, A.; Zeng, Ning (Copernicus Publications, 2015-05-08)
      Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere is important to better understand the global carbon cycle, support the ...
    • Global Carbon Budget 2015 

      Le Quere, Corinne; Moriarty, Roisin; Andrew, Robbie M.; Canadell, Josep G.; Sitch, Stephen; Korsbakken, Jan Ivar; Friedlingstein, Pierre; Peters, Glen P.; Andres, Robert J.; Boden, T. A.; Houghton, Richard A.; House, Jo I.; Keeling, Ralph F.; Tans, Pieter P.; Arneth, Almut; Bakker, Dorothee C. E.; Barbero, Leticia; Bopp, Laurent; Chang, J.; Chevallier, F.; Chini, Louise Parsons; Ciais, Philippe; Fader, Marianela; Feely, Richard A.; Gkritzalis, Thanos; Harris, Ian; Hauck, Judith; Ilyina, Tatiana; Jain, Atul K.; Kato, Etsushi; Kitidis, Vassilis; Klein Goldewijk, Kees; Koven, Charles; Landschutzer, Peter; Lauvset, Siv K.; Lefevre, N.; Lenton, A.; Lima, Ivan D.; Metzl, Nicolas; Millero, Frank J.; Munro, David R.; Murata, Akihiko; Nabel, Julia E. M. S.; Nakaoka, Shin-ichiro; Nojiri, Yukihiro; O'Brien, Kevin; Olsen, Are; Ono, Tsuneo; Perez, Fiz F.; Pfeil, Benjamin; Pierrot, Denis; Poulter, Benjamin; Rehder, Gregor; Rodenbeck, C.; Saito, Shu; Schuster, Ute; Schwinger, Jorg; Seferian, Roland; Steinhoff, Tobias; Stocker, B. D.; Sutton, Adrienne J.; Takahashi, Taro; Tilbrook, Bronte; van der Laan-Luijkx, I. T.; van der Werf, Guido R.; van Heuven, Steven; Vandemark, Doug; Viovy, N.; Wiltshire, A.; Zaehle, Sonke; Zeng, Ning (Copernicus Publications, 2015-12-07)
      Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere is important to better understand the global carbon cycle, support the ...
    • Global climate patterns explain range-wide synchronicity in survival of a migratory seabird 

      Jenouvrier, Stephanie; Thibault, Jean-Claude; Viallefont, Anne; Vidal, Patrick; Ristow, Dietrich; Mougin, Jean-Louis; Brichetti, Pierandrea; Borg, John J.; Bretagnolle, Vincent (2008-08-25)
      To predict the impact of climate change over the whole species distribution range, comparison of adult survival variations over large spatial scale is of primary concern for long-lived species populations that are ...
    • Global distribution of the decay timescale of mixed layer inertial motions observed by satellite-tracked drifters 

      Park, Jong Jin; Kim, Kuh; Schmitt, Raymond W. (American Geophysical Union, 2009-11-05)
      The decay timescale of mixed layer inertial amplitudes has been estimated from satellite tracked drifter trajectories from 1990 to 2004 as the e-folding timescale of the temporal correlation functions. The decay timescales ...
    • Global estimate of submarine groundwater discharge based on an observationally constrained radium isotope model 

      Kwon, Eun Young; Kim, Guebuem; Primeau, Francois W.; Moore, Willard S.; Cho, Hyung-Mi; DeVries, Timothy; Sarmiento, Jorge L.; Charette, Matthew A.; Cho, Yang-Ki (John Wiley & Sons, 2014-12-03)
      Along the continental margins, rivers and submarine groundwater supply nutrients, trace elements, and radionuclides to the coastal ocean, supporting coastal ecosystems and, increasingly, causing harmful algal blooms and ...
    • Global Intercomparability in a Changing Ocean: An International Time‐Series Methods Workshop 

      Unknown author (Ocean Carbon & Biogeochemistry (OCB) Program and International Ocean Carbon Coordination Project (IOCCP), 2013-11)
      Ocean time-series represent one of the most valuable tools scientists have to characterize and quantify ocean carbon fluxes and biogeochemical processes and their links to changing climate. In order to acquire a more ...
    • Global isotopic signatures of oceanic island basalts 

      Oschmann, Lynn A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1991-08)
      Sr, Nd and Pb isotopic analyses of 477 samples representing 30 islands or island groups, 3 seamounts or seamount chains, 2 oceanic ridges and 1 oceanic plateau [for a total of 36 geographic features] are compiled to form ...
    • Global mantle flow and the development of seismic anisotropy : differences between the oceanic and continental upper mantle 

      Conrad, Clinton P.; Behn, Mark D.; Silver, Paul G. (American Geophysical Union, 2007-07-26)
      Viscous shear in the asthenosphere accommodates relative motion between Earth's surface plates and underlying mantle, generating lattice-preferred orientation (LPO) in olivine aggregates and a seismically anisotropic fabric. ...
    • Global ocean carbon uptake : magnitude, variability and trends 

      Wanninkhof, Rik; Park, Geun-Ha; Takahashi, Taro; Sweeney, Colm; Feely, Richard A.; Nojiri, Yukihiro; Gruber, Nicolas; Doney, Scott C.; McKinley, Galen A.; Lenton, A.; Le Quere, Corinne; Heinze, Christoph; Schwinger, Jorg; Graven, Heather; Khatiwala, Samar (Copernicus Publications on behalf of the European Geosciences Union, 2013-03-22)
      The globally integrated sea–air anthropogenic carbon dioxide (CO2) flux from 1990 to 2009 is determined from models and data-based approaches as part of the Regional Carbon Cycle Assessment and Processes (RECCAP) project. ...
    • Global Ocean Summit : a forum for institutional coordination of global ocean observations 

      Cai, Wenju; Avery, Susan K.; Leinen, Margaret S.; Lee, Kenneth; Lin, Xiaopei; Visbeck, Martin (2014-11)
      A sustainable global ocean observation system requires timely implementation of a global ocean observation framework. The recent Qingdao Global Ocean Summit offers an effective mechanism for a coherent institutional response ...