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  • Geomicrobiology of marine sediment containing methane

    Creator:
    Briggs, Brandon R.
    Abstract:
    Marine sediments contain an abundance of methane that is biologically produced and plays a significant role in the global carbon cycle. Microbes responsible for the carbon cycle in marine sediments, and the processes that they carry out, need to be characterized in order to fully understand the role of this...
    Resource Type:
    Dissertation
    Full Text:
    Colwell, Marta Torres, Marty Fisk, Peter Bottomley, and John Selker for their support and guidance

  • Establishment and dynamics of methane-oxidizing microbial communities in marine sediments

    Creator:
    Klasek, Scott A.
    Abstract:
    Marine sediments are vast sources and reservoirs of methane, a potent greenhouse gas. Most of this methane is anaerobically oxidized by archaea before it can reach the overlying ocean, though the efficiency of this process often depends on methane fluxes and mechanisms of fluid transport. Anaerobic methanotrophic archaea, or ANME,...
    Resource Type:
    Dissertation
    Full Text:
    contagious. My other committee members, Ryan Mueller, Peter Bottomley, and Sandra Loesgen, have also

  • Utilization of natural and supplemental biofuels for harvesting energy from marine sediments

    Creator:
    Nielsen, Mark E.
    Abstract:
    A benthic microbial fuel cell (BMFC) is an electrochemical device that generates current from the redox gradient at the sediment-water interface. Early prototypes had anodes buried in anoxic sediments and cathodes in overlying water. The BMFCs described in this dissertation are based on a chamber design that enables the use...
    Resource Type:
    Dissertation
    Full Text:
    described in Chapter 2. Dr. Peter Girguis, Dr. Helen White and Sonam Sharma analyzed the microbiology

  • Biogeochemical Processing of Freshwater Carbon in the Anthropocene

    Creator:
    Buser, Jessica Z.
    Abstract:
    Freshwater systems cycle carbon along a spatial and temporal biogeochemical continuum, across which ecosystem processes contribute to transformations of organic matter (OM). Various ecological constraints impact rates OM transformation and production and consumption of the energetic end of respiration, methane. Microbiological processing and complete reduction of carbon substrates to methane...
    Resource Type:
    Dissertation
    Full Text:
    have happened without his leadership and kindness. Finally, thank you to my husband, Peter Young

  • 2010/2011 Annual Report

    Creator:
    Hatfield Marine Science Center
    Abstract:
    Report year ends June 30
    Resource Type:
    Other