Research in MC&G ranges from the glacial history of the Antarctic ice sheet and the formation of surface films in the upper micron of the ocean to the cycling of carbon through various ocean reservoirs, the history of ocean circulation recorded in the growth bands of coral, and the role of hydrothermal vents and seawater-rock interactions on the composition of the oceans.

Recent Submissions

  • Dinitrogen fixation across physico-chemical gradients of the Eastern Tropical North Pacific oxygen deficient zone 

    Selden, Corday; Mulholland, Margaret R.; Bernhardt, Peter W.; Widner, Brittany; Macias-Tapia, Alfonso; Ji, Qixing; Jayakumar, D. A. (American Geophysical Union, 2019-09-04)
    The Eastern Tropical North Pacific Ocean hosts one of the world's largest oceanic oxygen deficient zones (ODZs). Hot spots for reactive nitrogen (Nr) removal processes, ODZs generate conditions proposed to promote Nr inputs ...
  • Sustained wood burial in the Bengal Fan over the last 19 My 

    Lee, Hyejung; Galy, Valier; Feng, Xiaojuan; Ponton, Camilo; Galy, Albert; France-Lanord, Christian; Feakins, Sarah J. (National Academy of Sciences, 2019-10-21)
    The Ganges–Brahmaputra (G-B) River system transports over a billion tons of sediment every year from the Himalayan Mountains to the Bay of Bengal and has built the world’s largest active sedimentary deposit, the Bengal ...
  • Attributing ocean acidification to major carbon producers 

    Licker, Rachel; Ekwurzel, Brenda; Doney, Scott C.; Cooley, Sarah R.; Lima, Ivan D.; Heede, Richard; Frumhoff, Peter C. (IOP Publishing, 2019-12-11)
    Recent research has quantified the contributions of CO2 and CH4 emissions traced to the products of major fossil fuel companies and cement manufacturers to global atmospheric CO2, surface temperature, and sea level rise. ...
  • An extraterrestrial trigger for the mid-ordovician ice age: Dust from the breakup of the L-chondrite parent body 

    Schmitz, Birger; Farley, Kenneth A.; Goderis, Steven; Heck, Philipp R.; Bergstrom, Stig M.; Boschi, Samuele; Claeys, Philippe; Debaille, Vinciane; Dronov, Andrei; van Ginneke, Matthias; Harper, David A. T.; Iqbal, Faisal; Friberg, Johan; Liao, Shiyong; Martin, Ellinor; Meier, Matthias M. M.; Peucker-Ehrenbrink, Bernhard; Soens, Bastien; Wieler, Rainer; Terfelt, Fredrik (American Association for the Advancement of Science:, 2019-09-18)
    The breakup of the L-chondrite parent body in the asteroid belt 466 million years (Ma) ago still delivers almost a third of all meteorites falling on Earth. Our new extraterrestrial chromite and 3He data for Ordovician ...
  • DSi as a tracer for submarine groundwater discharge 

    Oehler, Till; Tamborski, Joseph; Rahman, Shaily; Moosdorf, Nils; Ahrens, Janis; Mori, Corinna; Neuholz, René; Schnetger, Bernhard; Beck, Melanie (Frontiers Media, 2019-09-13)
    Submarine groundwater discharge (SGD) is an important source of nutrients and metals to the coastal ocean, affects coastal ecosystems, and is gaining recognition as a relevant water resource. SGD is usually quantified using ...
  • Advancing observation of ocean biogeochemistry, biology, and ecosystems with cost-effective in situ sensing technologies 

    Wang, Zhaohui Aleck; Moustahfid, Hassan; Mueller, Amy V.; Michel, Anna P. M.; Mowlem, Matthew; Glazer, Brian T.; Mooney, T. Aran; Michaels, William; McQuillan, Jonathan S.; Robidart, Julie; Churchill, James H.; Sourisseau, Marc; Daniel, Anne; Schaap, Allison; Monk, Sam; Friedman, Kim; Brehmer, Patrice (Frontiers Media, 2019-09-12)
    Advancing our understanding of ocean biogeochemistry, biology, and ecosystems relies on the ability to make observations both in the ocean and at the critical boundaries between the ocean and other earth systems at relevant ...
  • Bacterial and archaeal specific-predation in the North Atlantic Basin 

    Seyler, Lauren M.; Tuorto, Steve; McGuinness, Lora R.; Gong, Donglai; Kerkhof, Lee J. (Frontiers Media, 2019-09-11)
    Stable isotope probing (SIP) was used to track prokaryotic and eukaryotic carbon uptake along a meridional transect (Long. 52°W) in the North Atlantic to assess if 13C-resource partitioning between bacteria and archaea and ...
  • Changes in gross oxygen production, net oxygen production, and air-water gas exchange during seasonal ice melt in Whycocomagh Bay, a Canadian estuary in the Bras d'or Lake system 

    Manning, Cara C.; Stanley, Rachel H. R.; Nicholson, David P.; Loose, Brice; Lovely, Ann; Schlosser, Peter; Hatcher, Bruce G. (European Geosciences Union, 2019-09-05)
    Sea ice is an important control on gas exchange and primary production in polar regions. We measured net oxygen production (NOP) and gross oxygen production (GOP) using near-continuous measurements of the O2∕Ar gas ratio ...
  • Consistently dated Atlantic sediment cores over the last 40 thousand years 

    Waelbroeck, Claire; Lougheed, Bryan C.; Vazquez Riveiros, Natalia; Missiaen, Lise; Pedro, Joel; Dokken, Trond; Hajdas, Irka; Wacker, Lukas; Abbott, Peter; Dumoulin, Jean-Pascal; Thil, Francois; Eynaud, Frederique; Rossignol, Linda; Fersi, Wiem; Albuquerque, Ana Luiza; Arz, Helge W.; Austin, William E. N.; Came, Rosemarie E.; Carlson, Anders E.; Collins, James A.; Dennielou, Bernard; Desprat, Stéphanie; Dickson, Alex; Elliot, Mary; Farmer, Christa; Giraudeau, Jacques; Gottschalk, Julia; Henderiks, Jorijntje; Hughen, Konrad A.; Jung, Simon; Knutz, Paul; Lebreiro, Susana; Lund, David C.; Lynch-Stieglitz, Jean; Malaizé, Bruno; Marchitto, Thomas M.; Martínez-Méndez, Gema; Mollenhauer, Gesine; Naughton, Filipa; Nave, Silvia; Nürnberg, Dirk; Oppo, Delia W.; Peck, Vicky L.; Peeters, Frank J. C.; Penaud, Aurélie; Portilho-Ramos, Rodrigo da Costa; Repschläger, Janne; Roberts, Jenny; Ruhlemann, Carsten; Salgueiro, Emilia; Sanchez Goni, Maria Fernanda; Schönfeld, Joachim; Scussolini, Paolo; Skinner, Luke C.; Skonieczny, Charlotte; Thornalley, David J. R.; Toucanne, Samuel; Van Rooij, David; Vidal, Laurence; Voelker, Antje H. L.; Wary, Mélanie; Weldeab, Syee; Ziegler, Martin (Nature Research, 2019-09-02)
    Rapid changes in ocean circulation and climate have been observed in marine-sediment and ice cores over the last glacial period and deglaciation, highlighting the non-linear character of the climate system and underlining ...
  • Occurrence and sources of radium in groundwater associated with oil fields in the southern San Joaquin Valley, California 

    McMahon, Peter B.; Vengosh, Avner; Davis, Tracy A.; Landon, Matthew K.; Tyne, Rebecca L.; Wright, Michael T.; Kulongoski, Justin T.; Hunt, Andrew G.; Barry, Peter H.; Kondash, Andrew J.; Wang, Zhen; Ballentine, Chris (American Chemical Society, 2019-08-07)
    Geochemical data from 40 water wells were used to examine the occurrence and sources of radium (Ra) in groundwater associated with three oil fields in California (Fruitvale, Lost Hills, South Belridge). 226Ra+228Ra activities ...
  • Evidence for microbial iron reduction in the methanic sediments of the oligotrophic southeastern Mediterranean continental shelf 

    Vigderovich, Hanni; Liang, Lewen; Herut, Barak; Wang, Fengping; Wurgaft, Eyal; Rubin-Blum, Maxim; Sivan, Orit (European Geosciences Union, 2019-08-23)
    Dissimilatory iron reduction is probably one of the oldest types of metabolisms that still participates in important biogeochemical cycles, such as those of carbon and sulfur. It is one of the more energetically favorable ...
  • Capturing coastal water clarity variability with Landsat 8 

    Luis, Kelly M.A.; Rheuban, Jennie E.; Kavanaugh, Maria T.; Glover, David M.; Wei, Jianwei; Lee, Zhongping; Doney, Scott C. (Elsevier, 2019-05-23)
    Coastal water clarity varies at high temporal and spatial scales due to weather, climate, and human activity along coastlines. Systematic observations are crucial to assessing the impact of water clarity change on aquatic ...
  • Active subseafloor microbial communities from Mariana back-arc venting fluids share metabolic strategies across different thermal niches and taxa 

    Trembath-Reichert, Elizabeth; Butterfield, David A.; Huber, Julie A. (Springer Nature, 2019-05-09)
    There are many unknowns regarding the distribution, activity, community composition, and metabolic repertoire of microbial communities in the subseafloor of deep-sea hydrothermal vents. Here we provide the first characterization ...
  • Characterizing the ecology of coral reef microorganisms across different scales within the Caribbean 

    Weber, Laura (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2020-02)
    Microorganisms sustain the high productivity of coral reefs and support one of the most diverse, valuable, and threatened ecosystems on Earth. Despite the importance of reef microorganisms, there is a lack of understanding ...
  • High rates of N-2 fixation in temperate, western North Atlantic coastal waters expand the realm of marine diazotrophy 

    Mulholland, Margaret R.; Bernhardt, Peter W.; Widner, Brittany; Selden, Corday; Chappell, Phoebe Dreux; Clayton, Sophie A.; Mannino, Antonio; Hyde, Kimberly J. W. (American Geophysical Union, 2019-06-10)
    Dinitrogen (N2) fixation can alleviate N limitation of primary productivity by introducing fixed nitrogen (N) to the world's oceans. Although measurements of pelagic marine N2 fixation are predominantly from oligotrophic ...
  • Ebullition of oxygen from seagrasses under supersaturated conditions 

    Long, Matthew H.; Sutherland, Kevin M.; Wankel, Scott D.; Burdige, David J.; Zimmerman, Richard C. (Wiley, 2019-08-08)
    Gas ebullition from aquatic systems to the atmosphere represents a potentially important fraction of primary production that goes unquantified by measurements of dissolved gas concentrations. Although gas ebullition from ...
  • Metabolite composition of sinking particles differs from surface suspended particles across a latitudinal transect in the South Atlantic 

    Johnson, Winifred M.; Longnecker, Krista; Kido Soule, Melissa C.; Arnold, William A.; Bhatia, Maya P.; Hallam, Steven J.; Van Mooy, Benjamin A. S.; Kujawinski, Elizabeth B. (Wiley, 2019-07-31)
    Marine sinking particles transport carbon from the surface and bury it in deep‐sea sediments, where it can be sequestered on geologic time scales. The combination of the surface ocean food web that produces these particles ...
  • Abiotic methane synthesis and serpentinization in olivine-hosted fluid inclusions 

    Klein, Frieder; Grozeva, Niya G.; Seewald, Jeffrey S. (National Academy of Sciences, 2019-09-03)
    The conditions of methane (CH4) formation in olivine-hosted secondary fluid inclusions and their prevalence in peridotite and gabbroic rocks from a wide range of geological settings were assessed using confocal Raman ...
  • Recent increases in water column denitrification in the seasonally suboxic bottom waters of the Santa Barbara Basin 

    White, Margot E.; Rafter, Patrick; Stephens, Brandon M.; Wankel, Scott D.; Aluwihare, Lihini I. (American Geophysical Union, 2019-06-11)
    Denitrification in the anoxic sediments of the Santa Barbara Basin has been well documented in the historic and modern record, but the regulation of and frequency with which denitrification occurs in the overlying water ...
  • Oxygen isotopes (delta O-18) trace photochemical hydrocarbon oxidation at the sea surface 

    Ward, Collin P.; Sharpless, Charles M.; Valentine, David L.; Aeppli, Christoph; Sutherland, Kevin M.; Wankel, Scott D.; Reddy, Christopher M. (American Geophysical Union, 2019-05-31)
    Although photochemical oxidation is an environmental process that drives organic carbon (OC) cycling, its quantitative detection remains analytically challenging. Here, we use samples from the Deepwater Horizon oil spill ...

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