Now showing items 177-196 of 890

    • Data file on amino acid distribution in calcified and uncalcified tissues of shell-forming organisms 

      Degens, Egon T.; Spencer, Derek W. (Woods Hole Oceanographic Institution, 1966-06)
      Largely for reason of limited space, scientific journals can only accept brief articles. Thus full accounts on analytical techniques, data files, and other details are frequently omitted, and pertinent information may ...
    • Data management strategy to improve global use of ocean acidification data and information 

      Garcia, Hernan E.; Cosca, Cathy; Kozyr, Alex; Mayorga, Emilio; Chandler, Cynthia L.; Thomas, Robert W.; O’Brien, Kevin; Appeltans, Ward; Hankin, Steve; Newton, Jan A.; Gutierrez, Angelica; Gattuso, Jean-Pierre; Hansson, Lina; Zweng, Melissa; Pfeil, Benjamin (The Oceanography Society, 2015-06)
      Ocean acidification (OA) refers to the general decrease in pH of the global ocean as a result of absorbing anthropogenic CO2 emitted in the atmosphere since preindustrial times (Sabine et al., 2004). There is, however, ...
    • Data-based assessment of environmental controls on global marine nitrogen fixation 

      Luo, Ya-Wei; Lima, Ivan D.; Karl, David M.; Deutsch, Curtis A.; Doney, Scott C. (Copernicus Publications on behalf of the European Geosciences Union, 2014-02-06)
      There are a number of hypotheses concerning the environmental controls on marine nitrogen fixation (NF). Most of these hypotheses have not been assessed against direct measurements on the global scale. In this study, we ...
    • A decade of synthesis and modeling in the US Joint Global Ocean Flux Study 

      Doney, Scott C.; Ducklow, Hugh W. (2005-11-04)
      A decade long Synthesis and Modeling Project (SMP) was conducted as the final element of the U.S. Joint Global Ocean Flux Study (JGOFS). The SMP goal was to synthesize knowledge gained from field studies into a set of ...
    • Deciphering ocean carbon in a changing world 

      Moran, Mary Ann; Kujawinski, Elizabeth B.; Stubbins, Aron; Fatland, Rob; Aluwihare, Lihini I.; Buchan, Alison; Crump, Byron C.; Dorrestein, Pieter C.; Dyhrman, Sonya T.; Hess, Nancy J.; Howe, Bill; Longnecker, Krista; Medeiros, Patricia M.; Niggemann, Jutta; Obernosterer, Ingrid; Repeta, Daniel J.; Waldbauer, Jacob R. (2016-01-13)
      Dissolved organic matter (DOM) in the oceans is one of the largest pools of reduced carbon on Earth, comparable in size to the atmospheric CO2 reservoir. A vast number of compounds are present in DOM and they play important ...
    • Decolorization improves the fuel properties of algal biodiesel from Isochrysis sp. 

      O’Neil, Gregory W.; Knothe, Gerhard; Williams, John R.; Burlow, Noah P.; Reddy, Christopher M. (2016-03)
      Results from the comprehensive fuel testing according to American Society for Testing and Materials International (ASTM) standards of an alkenone-free and decolorized biodiesel produced from the industrially grown marine ...
    • Decoupled sedimentary records of combustion : causes and implications 

      Hanke, Ulrich; Eglinton, Timothy I.; Braun, Ana L. L.; Reddy, Christopher M.; Wiedemeier, Daniel B.; Schmidt, Michael W. I. (John Wiley & Sons, 2016-05-30)
      Pyrogenic carbon (PyC) is a collective term for carbon-rich residues comprised of a continuum of products arising from biomass burning and fossil-fuel combustion. PyC is ubiquitous in the environment where it can be ...
    • Decoupling of net community and export production on submesoscales in the Sargasso Sea 

      Estapa, Margaret L.; Siegel, David A.; Buesseler, Ken O.; Stanley, Rachel H. R.; Lomas, Michael W.; Nelson, N. B. (John Wiley & Sons, 2015-08-31)
      Determinations of the net community production (NCP) in the upper ocean and the particle export production (EP) should balance over long time and large spatial scales. However, recent modeling studies suggest that a ...
    • Deep ocean nutrients during the Last Glacial Maximum deduced from sponge silicon isotopic compositions 

      Hendry, Katharine R.; Georg, R. Bastian; Rickaby, Rosalind E. M.; Robinson, Laura F.; Halliday, Alex N. (2010-02)
      The relative importance of biological and physical processes within the Southern Ocean for the storage of carbon and atmospheric pCO2 on glacial-interglacial timescales remains uncertain. Understanding the impact of ...
    • Deep-sea scleractinian coral age and depth distributions in the northwest Atlantic for the last 225,000 years 

      Robinson, Laura F.; Adkins, Jess F.; Scheirer, Daniel S.; Fernandez, Diego P.; Gagnon, Alexander C.; Waller, Rhian G. (University of Miami - Rosenstiel School of Marine and Atmospheric Science, 2007-11-01)
      Deep-sea corals have grown for over 200,000 yrs on the New England Seamounts in the northwest Atlantic, and this paper describes their distribution both with respect to depth and time. Many thousands of fossil scleractinian ...
    • Defining DNA-based operational taxonomic units for microbial-eukaryote ecology 

      Caron, David A.; Countway, Peter D.; Savai, Pratik; Gast, Rebecca J.; Schnetzer, Astrid; Moorthi, Stefanie D.; Dennett, Mark R.; Moran, Dawn M.; Jones, Adriane C. (2009-06-19)
      DNA sequence information has been increasingly used in ecological research on microbial eukaryotes. Sequence-based approaches have included studies of the total diversity of selected ecosystems, the autecology of ...
    • Definitions and sharpness of the extratropical tropopause : a trace gas perspective 

      Pan, L. L.; Randel, W. J.; Gary, B. L.; Mahoney, M. J.; Hintsa, Eric J. (American Geophysical Union, 2004-12-04)
      Definitions of the extratropical tropopause are examined from the perspective of chemical composition. Fine-scale measurements of temperature, ozone, carbon monoxide, and water vapor from approximately 70 aircraft flights, ...
    • Denitrification likely catalyzed by endobionts in an allogromiid foraminifer 

      Bernhard, Joan M.; Edgcomb, Virginia P.; Casciotti, Karen L.; McIlvin, Matthew R.; Beaudoin, David J. (2011-10)
      Nitrogen can be a limiting macronutrient for carbon uptake by the marine biosphere. The process of denitrification (conversion of nitrate to gaseous compounds, including N2) removes bioavailable nitrogen, particularly in ...
    • Deposition and recirculation of tritium in the North Pacific Ocean 

      Stark, Sheila; Jenkins, William J.; Doney, Scott C. (American Geophysical Union, 2004-06-04)
      Tritium data, primarily from the GEOSECS and WOCE cruises of the 1970s and 1990s, are used to estimate the time-evolving 3H inventory of the North Pacific basin. In the years between the two surveys, there have been changes ...
    • Desert dust and anthropogenic aerosol interactions in the Community Climate System Model coupled-carbon-climate model 

      Mahowald, Natalie M.; Lindsay, Keith; Rothenberg, D.; Doney, Scott C.; Moore, J. Keith; Thornton, Peter E.; Randerson, James T.; Jones, C. D. (Copernicus Publications on behalf of the European Geosciences Union, 2011-02-15)
      Coupled-carbon-climate simulations are an essential tool for predicting the impact of human activity onto the climate and biogeochemistry. Here we incorporate prognostic desert dust and anthropogenic aerosols into the ...
    • Detectability of CO2 flux signals by a space-based lidar mission 

      Hammerling, Dorit M.; Kawa, S. Randolph; Schaefer, Kevin; Doney, Scott C.; Michalak, Anna M. (John Wiley & Sons, 2015-03-11)
      Satellite observations of carbon dioxide (CO2) offer novel and distinctive opportunities for improving our quantitative understanding of the carbon cycle. Prospective observations include those from space-based lidar such ...
    • Detecting anthropogenic CO2 changes in the interior Atlantic Ocean between 1989 and 2005 

      Wanninkhof, Rik; Doney, Scott C.; Bullister, John L.; Levine, Naomi M.; Warner, Mark J.; Gruber, Nicolas (American Geophysical Union, 2010-11-30)
      Repeat observations along the meridional Atlantic section A16 from Iceland to 56°S show substantial changes in the total dissolved inorganic carbon (DIC) concentrations in the ocean between occupations from 1989 through ...
    • Detection of a tropospheric ozone anomaly using a newly developed ozone retrieval algorithm for an up-looking infrared interferometer 

      Lightner, K. J.; McMillan, W. W.; McCann, K. J.; Hoff, R. M.; Newchurch, M. J.; Hintsa, Eric J.; Barnet, C. D. (American Geophysical Union, 2009-03-25)
      On 2 June 2003, the Baltimore Bomem Atmospheric Emitted Radiance Interferometer (BBAERI) recorded an infrared spectral time series indicating the presence of a tropospheric ozone anomaly. The measurements were collected ...
    • Detection of anthropogenic climate change in satellite records of ocean chlorophyll and productivity 

      Henson, Stephanie A.; Sarmiento, Jorge L.; Dunne, John P.; Bopp, Laurent; Lima, Ivan D.; Doney, Scott C.; John, Jasmin G.; Beaulieu, C. (Copernicus Publications on behalf of the European Geosciences Union, 2010-02-15)
      Global climate change is predicted to alter the ocean's biological productivity. But how will we recognise the impacts of climate change on ocean productivity? The most comprehensive information available on its global ...
    • A determination of air-sea gas exchange and upper ocean biological production from five noble gases and tritiugenic helium-3 

      Stanley, Rachel H. R. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2007-09)
      The five noble gases (helium, neon, argon, krypton, and xenon) are biologically and chemically inert, making them ideal oceanographic tracers. Additionally, the noble gases have a wide range of solubilities and molecular ...