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Browsing Marine Chemistry and Geochemistry (MC&G) by Title

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Browsing Marine Chemistry and Geochemistry (MC&G) by Title

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  • McKinley, Galen A.; Takahashi, Taro; Buitenhuis, Erik T.; Chai, Fei; Christian, James R.; Doney, Scott C.; Jiang, Mingshun; Lindsay, Keith; Moore, J. Keith; Le Quere, C.; Lima, Ivan D.; Murtugudde, Raghu; Shi, L.; Wetzel, P. (American Geophysical Union, 2006-07-04)
    Climate variability drives significant changes in the physical state of the North Pacific, and thus there may be important impacts of climate variability on the upper ocean carbon balance across the basin. We address this ...
  • Marinov, Irina; Doney, Scott C.; Lima, Ivan D.; Lindsay, Keith; Moore, J. Keith; Mahowald, Natalie M. (John Wiley & Sons, 2013-12-20)
    Here we analyze the impact of projected climate change on plankton ecology in all major ocean biomes over the 21st century, using a multidecade (1880–2090) experiment conducted with the Community Climate System Model ...
  • van der Plicht, Johannes; Beck, J. Warren; Bard, Edouard; Baillie, Mike G. L.; Blackwell, Paul G.; Buck, Caitlin E.; Friedrich, Michael; Guilderson, Thomas P.; Hughen, Konrad A.; Kromer, Bernd; McCormac, F. G.; Ramsey, C. Bronk; Reimer, Paul J.; Reimer, Ron W.; Remmele, Sabine; Richards, D. A.; Southon, John R.; Stuiver, Minze; Weyhenmeyer, Constanze E. (Dept. of Geosciences, University of Arizona, 2004)
    The radiocarbon calibration curve IntCal04 extends back to 26 cal kyr BP. While several high-resolution records exist beyond this limit, these data sets exhibit discrepancies of up to several millennia. As a result, no ...
  • Emerson, David; Rentz, Jeremy A.; Lilburn, Timothy G.; Davis, Richard E.; Aldrich, Henry; Chan, Clara S.; Moyer, Craig L. (Public Library of Science, 2007-08-01)
    For decades it has been recognized that neutrophilic Fe-oxidizing bacteria (FeOB) are associated with hydrothermal venting of Fe(II)-rich fluids associated with seamounts in the world's oceans. The evidence was based almost ...
  • Haupert, Christie L. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2000-11-13)
    A bi-weekly seasonal study was conducted in Ashumet Pond (Cape Cod, Massachusetts). The Redfield Ratio (106C:16N:1P) and alkaline phosphatase activity (APA) were utilized in tandem as nutrient deficiency indicators (NDIs) ...
  • Cooley, Sarah R.; Lucey, Noelle; Kite-Powell, Hauke L.; Doney, Scott C. (2011-05-20)
    Atmospheric carbon dioxide (CO2) emissions from human industrial activities are causing a progressive alteration of seawater chemistry, termed ocean acidification, that has decreased seawater pH and carbonate ion ...
  • Mahowald, Natalie M.; Kloster, S.; Engelstaedter, S.; Moore, J. Keith; Mukhopadhyay, S.; McConnell, Joseph R.; Albani, S.; Doney, Scott C.; Bhattacharya, A.; Curran, M. A. J.; Flanner, M. G.; Hoffman, Forrest M.; Lawrence, David M.; Lindsay, Keith; Mayewski, P. A.; Neff, Jason C.; Rothenberg, D.; Thomas, E.; Thornton, Peter E.; Zender, Charles S. (Copernicus Publications on behalf of the European Geosciences Union, 2010-11-19)
    Desert dust perturbs climate by directly and indirectly interacting with incoming solar and outgoing long wave radiation, thereby changing precipitation and temperature, in addition to modifying ocean and land biogeochemistry. ...
  • Doney, Scott C.; Balch, William M.; Fabry, Victoria J.; Feely, Richard A. (Oceanography Society, 2009-12)
    Over a period of less than a decade, ocean acidification—the change in seawater chemistry due to rising atmospheric carbon dioxide (CO2) levels and subsequent impacts on marine life—has become one of the most critical ...
  • Feely, Richard A.; Doney, Scott C.; Cooley, Sarah R. (Oceanography Society, 2009-12)
    The uptake of anthropogenic CO2 by the global ocean induces fundamental changes in seawater chemistry that could have dramatic impacts on biological ecosystems in the upper ocean. Estimates based on the Intergovernmental ...
  • Cooley, Sarah R.; Kite-Powell, Hauke L.; Doney, Scott C. (Oceanography Society, 2009-12)
    Ocean acidification lowers the oceanic saturation states of carbonate minerals and decreases the calcification rates of some marine organisms that provide a range of ecosystem services such as wild fishery and aquaculture ...
  • Gent, Peter R.; Bryan, Frank O.; Danabasoglu, Gokhan; Lindsay, Keith; Tsumune, Daisuke; Hecht, Matthew W.; Doney, Scott C. (American Meteorological Society, 2006-06-01)
    An ensemble of nine simulations for the climate of the twentieth century has been run using the Community Climate System Model version 3 (CCSM3). Three of these runs also simulate the uptake of chlorofluorocarbon-11 (CFC-11) ...
  • Luo, Ya-Wei; Friedrichs, Marjorie A. M.; Doney, Scott C.; Church, Matthew J.; Ducklow, Hugh W. (Inter-Research, 2010-08-03)
    Previous studies have focused on the role of labile dissolved organic matter (DOM) (defined as turnover time of ~1 d) in supporting heterotrophic bacterial production, but have mostly neglected semilabile DOM (defined as ...
  • Gruber, Nicolas; Gloor, Manuel; Mikaloff Fletcher, Sara E.; Doney, Scott C.; Dutkiewicz, Stephanie; Follows, Michael J.; Gerber, Markus; Jacobson, Andrew R.; Joos, Fortunat; Lindsay, Keith; Menemenlis, Dimitris; Mouchet, Anne; Muller, Simon A.; Sarmiento, Jorge L.; Takahashi, Taro (American Geophysical Union, 2009-02-18)
    We synthesize estimates of the contemporary net air-sea CO2 flux on the basis of an inversion of interior ocean carbon observations using a suite of 10 ocean general circulation models (Mikaloff Fletcher et al., 2006, ...
  • Doney, Scott C. (2006-12)
    Satellite data show that phytoplankton biomass and growth generally decline as the oceans’ surface waters warm up. Is this trend, seen over the past decade, a harbinger of the future for marine ecosystems?
  • Bonfils, Celine; Fung, Inez Y.; Doney, Scott C.; John, Jasmin (American Geophysical Union, 2004-05-11)
    We identify the climatic signatures of the summertime terrestrial photosynthesis variability using a long simulation of pre-industrial climate performed with the NCAR coupled global climate-carbon model. Since plant ...
  • Sholkovitz, Edward R.; Sedwick, Peter N.; Church, Thomas M. (American Geophysical Union, 2010-10-19)
    Paytan et al. (2009) argue that the atmospheric deposition of aerosols lead to copper concentrations that are potentially toxic to marine phytoplankton in a large area of tropical and subtropical North Atlantic Ocean. A ...
  • Le Moigne, Frederic A. C.; Sanders, Richard J.; Villa-Alfageme, Maria; Martin, Adrian P.; Pabortsava, Katsiaryna; Planquette, Helene; Morris, Paul J.; Thomalla, Sandy J. (American Geophysical Union, 2012-08-11)
    The role of biominerals in driving carbon export from the surface ocean is unclear. We compiled surface particulate organic carbon (POC), and mineral ballast export fluxes from 55 different locations in the Atlantic and ...
  • Kienast, Markus; Higginson, M. J.; Mollenhauer, Gesine; Eglinton, Timothy I.; Chen, Min-Te; Calvert, Stephen E. (American Geophysical Union, 2005-05-27)
    The bulk sedimentary nitrogen isotopic composition of two cores from nearby sites on the northern slope of the South China Sea (Site 17940 and Ocean Drilling Program (ODP) Site 1144) differs by up to >2‰ during the last ...
  • Hendry, Katharine R.; Rickaby, Rosalind E. M. (American Geophysical Union, 2008-06-18)
    During the last 50 years, the Antarctic Peninsula has experienced rapid warming with associated retreat of 87% of marine and tidewater glacier fronts. Accelerated glacial retreat and iceberg calving may have a significant ...
  • Jasper, John P. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1988-05)
    The concentration and carbon isotopic composition (δ13C) of sedimentary organic carbon (Corg), N/C ratios, and terrigenous and marine δ13C-Corg end-members form a basis from which to address problems of Late Quaternary ...

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