Search Results - "Swarr, Gretchen"

A global ocean inventory of anthropogenic mercury based on water column measurements by Lamborg, Carl H., Hammerschmidt, Chad R., Bowman, Katlin L., Swarr, Gretchen J., Munson, Kathleen M., Ohnemus, Daniel C., Lam, Phoebe J., Heimbürger, Lars-Eric, Rijkenberg, Micha J. A., Saito, Mak A.

“…GEOTRACES sampling of deep water from the Atlantic, Pacific and Southern oceans allows an estimate of the amount (tripled in surface waters) and distribution…”
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Mercury species concentrations and fluxes in the Central Tropical Pacific Ocean by Munson, Kathleen M., Lamborg, Carl H., Swarr, Gretchen J., Saito, Mak A.

“…The formation of the toxic and bioaccumulating monomethylmercury (MMHg) in marine systems is poorly understood, due in part to sparse data from many ocean…”
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Distribution of mercury species across a zonal section of the eastern tropical South Pacific Ocean (U.S. GEOTRACES GP16) by Bowman, Katlin L., Hammerschmidt, Chad R., Lamborg, Carl H., Swarr, Gretchen J., Agather, Alison M.

“…Monomethylmercury is a neurotoxin formed in the ocean that accumulates in fish. To better understand the chemical cycling of mercury (Hg) in the ocean,…”
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Mercury in the North Atlantic Ocean: The U.S. GEOTRACES zonal and meridional sections by Bowman, Katlin L., Hammerschmidt, Chad R., Lamborg, Carl H., Swarr, Gretchen

“…Mercury (Hg) in the ocean undergoes many chemical transformations, including in situ production of monomethylmercury (MMHg), the form that biomagnifies in…”
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Benzoyl Chloride Derivatization Advances the Quantification of Dissolved Polar Metabolites on Coral Reefs by Garcia, Brianna M., Becker, Cynthia C., Weber, Laura, Swarr, Gretchen J., Kido Soule, Melissa C., Apprill, Amy, Kujawinski, Elizabeth B.

“…Extracellular chemical cues constitute much of the language of life among marine organisms, from microbes to mammals. Changes in this chemical pool serve as…”
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Dissolved low-molecular weight thiol concentrations from the U.S. GEOTRACES North Atlantic Ocean zonal transect by Swarr, Gretchen J., Kading, Tristan, Lamborg, Carl H., Hammerschmidt, Chad R., Bowman, Katlin L.

“…Low-molecular weight thiols, including cysteine and glutathione, are biomolecules involved in a variety of metabolic pathways and act as important antioxidant…”
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Continuous proxy measurements reveal large mercury fluxes from glacial and forested watersheds in Alaska by Vermilyea, Andrew W., Nagorski, Sonia A., Lamborg, Carl H., Hood, Eran W., Scott, Durelle, Swarr, Gretchen J.

“…In this study, a stream from a glacially dominated watershed and one from a wetland, temperate forest dominated watershed in southeast Alaska were continuously…”
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Metabolite diversity among representatives of divergent Prochlorococcus ecotypes by Kujawinski, Elizabeth B, Braakman, Rogier, Longnecker, Krista, Becker, Jamie W, Chisholm, Sallie W, Dooley, Keven, Kido Soule, Melissa C, Swarr, Gretchen J, Halloran, Kathryn

“…Approximately half of the annual carbon fixation on Earth occurs in the surface ocean through the photosynthetic activities of phytoplankton such as the…”
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Mercury speciation and retention in a salt marsh undergoing long-term fertilization by Lamborg, Carl, Mincer, Tracy, Buchanan, William, Collins, Caroline, Swarr, Gretchen, Ganguli, Priya, Whalen, Kristen, Bothner, Michael, Valiela, Ivan

“…Experimental plots in Great Sippewissett Marsh (Falmouth, MA USA) have been undergoing long-term (>48 years) fertilization through the application of…”
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Erratum for Kujawinski et al., "Metabolite diversity among representatives of divergent Prochlorococcus ecotypes" by Kujawinski, Elizabeth B, Braakman, Rogier, Longnecker, Krista, Becker, Jamie W, Chisholm, Sallie W, Dooley, Keven, Kido Soule, Melissa C, Swarr, Gretchen J, Halloran, Kathryn

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Methods for the sampling and analysis of marine aerosols: results from the 2008 GEOTRACES aerosol intercalibration experiment by Morton, Peter L., Landing, William M., Hsu, Shih-Chieh, Milne, Angela, Aguilar-Islas, Ana M., Baker, Alex R., Bowie, Andrew R., Buck, Clifton S., Gao, Yuan, Gichuki, Susan, Hastings, Meredith G., Hatta, Mariko, Johansen, Anne M., Losno, Rémi, Mead, Chris, Patey, Matthew D., Swarr, Gretchen, Vandermark, Amanda, Zamora, Lauren M.

“…Atmospheric deposition of trace elements and isotopes (TEI) is an important source of trace metals to the open ocean, impacting TEI budgets and distributions,…”
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Mercury Speciation and Mobilization in a Wastewater-Contaminated Groundwater Plume by Lamborg, Carl H, Kent, Doug B, Swarr, Gretchen J, Munson, Kathleen M, Kading, Tristan, O’Connor, Alison E, Fairchild, Gillian M, LeBlanc, Denis R, Wiatrowski, Heather A

“…We measured the concentration and speciation of mercury (Hg) in groundwater down-gradient from the site of wastewater infiltration beds operated by the…”
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Influence of flood history and hydrology on transport of organic matter in a frequently flooded river by Fuller, Randall L, Dennison, Jaime, Doyle, Sarina, Levy, Lisanne, Owen, James, Shope, Erin, Swarr, Gretchen, Vo, Lilien, Weichert, Kelly, DiCesare, Elizabeth, Doyle, Martin W

“…Most studies of organic matter transport have been conducted on small headwater streams and have found that floods strongly influence downstream transport. We…”
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Seasonal and daily patterns in known dissolved metabolites in the northwestern Sargasso Sea by Longnecker, Krista, Kido Soule, Melissa C., Swarr, Gretchen J., Parsons, Rachel J., Liu, Shuting, Johnson, Winifred M., Widner, Brittany, Curry, Ruth, Carlson, Craig A., Kujawinski, Elizabeth B.

“…Organic carbon in seawater plays a significant role in the global carbon cycle. The concentration and composition of dissolved organic carbon reflect the…”
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The air-sea exchange of mercury in the low latitude Pacific and Atlantic Oceans by Mason, Robert P., Hammerschmidt, Chad R., Lamborg, Carl H., Bowman, Katlin L., Swarr, Gretchen J., Shelley, Rachel U.

“…Air-sea exchange is an important component of the global mercury (Hg) cycle as it mediates the rate of increase in ocean Hg, and therefore the rate of change…”
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Chitin utilization by marine picocyanobacteria and the evolution of a planktonic lifestyle by Capovilla, Giovanna, Braakman, Rogier, Fournier, Gregory P, Hackl, Thomas, Schwartzman, Julia, Lu, Xinda, Yelton, Alexis, Longnecker, Krista, Soule, Melissa C Kido, Thomas, Elaina, Swarr, Gretchen, Mongera, Alessandro, Payette, Jack G, Castro, Kurt G, Waldbauer, Jacob R, Kujawinski, Elizabeth B, Cordero, Otto X, Chisholm, Sallie W

“…Marine picocyanobacteria and , the most abundant photosynthetic cells in the oceans, are generally thought to have a primarily single-celled and free-living…”
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Dark Reduction Drives Evasion of Mercury From the Ocean by Lamborg, Carl H., Hansel, Colleen M., Bowman, Katlin L., Voelker, Bettina M., Marsico, Ryan M., Oldham, Veronique E., Swarr, Gretchen J., Zhang, Tong, Ganguli, Priya M.

“…Much of the surface water of the ocean is supersaturated in elemental mercury (Hg 0 ) with respect to the atmosphere, leading to sea-to-air transfer or…”
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Impacts of Recreational Flow Releases on Macroinvertebrate Drift at Different Distances Downstream from Abanakee Dam, New York by Fuller, Randall L, Dennison, Jaime, Swarr, Gretchen, Weichert, Kelli, Griego, Carrie, Doyle, Martin W

“…We examined macroinvertebrate drift at 4 sites downstream of Abanakee Dam on the Indian River, NY, on separate days at base-flow conditions and following days…”
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Determination of low-level mercury in coralline aragonite by calcination-isotope dilution-inductively coupled plasma-mass spectrometry and its application to Diploria specimens from Castle Harbour, Bermuda by Lamborg, Carl H., Swarr, Gretchen, Hughen, Konrad, Jones, Ross J., Birdwhistell, Scot, Furby, Kathryn, Murty, Sujata A., Prouty, Nancy, Tseng, Chun-Mao

“…We have developed a technique that combines a high temperature quartz furnace with inductively coupled plasma-mass spectrometry for the determination of Hg…”
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