Tags: Seminars


Marine polyphosphate: Linking the global phosphorus cycle over modern and geologic timescales


Photochemistry and the dissolved organic carbon cycle in the global ocean

The oceanic DOC pool is comparable to the carbon inventory in both atmospheric CO2 and in the total biomass on earth. It’s reactivity, defined by its timescale of oxidation, reflects the complexity of this massive carbon pool and forms a continuum from labile, semi-labile, to refractory carbon constituents. Our studies using HOOH and O2- proxies, as well as novel direct measurements of CO2 photoproduction demonstrate that the capacity for…


Dynamics of ammonia oxidizing Archaea in the South Atlantic Bight

ABSTRACT:  Previous work on the Georgia, USA coast revealed consistent mid-summer peaks in the abundance of Thaumarchaeota accompanied by spikes in nitrite concentration.  We collected data on the distribution of Thaumarchaeota, ammonia-oxidizing Betaproteobacteria (AOB), nitrite-oxidizing Nitrospina, environmental variables and rates of ammonia oxidation during 6 cruises in the South Atlantic Bight from April to November 2014 to…


A genomic view of Flavobacteria and their role in the bacterioplankton of the oceans


Nitrogen Cycling in Eutrophic systems


Submarine groundwater discharge (SGD)

Submarine groundwater discharge (SGD) is a process defined as any and all input of water into a surface water body through the sediment - water interface, independent of the driving force, and the fluid source and composition. Historically, the report of the existence of SGD dates back many centuries, when a submarine spring 2.5 miles offshore from Latakia, Syria, in the Mediterranean Sea was described. Other historical records focus on the…


Georgia Sea Grant 2017 Research Symposium

Please join us for the 2017 Research Symposium on June 1-2 at the Graduate Hotel in Athens, Ga. The symposium will highlight Georgia Sea Grant’s research program, where Sea Grant-funded scientists from across the state will share their research findings. A reception will follow. On day two, prospective researchers are invited to a workshop where we will provide an overview of our FY2018-2020 call of proposals and give tips and advice about…


Amazon Shelf Sedimentary Environments

The purpose of this seminar is to begin with a general overview of the shelf and end with the carbonate reefs.  


Developing Acoustic Instruments for Measuring Flow velocity and Sediment Concentration in Rivers and Coastal Waters

About the presentation: "The presentation is organized as follows. At first, the experimental works I carried out during my PhD studies to explore tide-driven influential parameters on sediment transport in Ota Diversion Channel, Hiroshima, Japan, are briefly described. This part mainly discusses the application of conventional acoustic systems, their abilities, and challenges that inspired me to start working on Shallow Acoustic Tomography…


A modern marine microbial mat with no sulfur cycle

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