Overview Research in the Geochemistry group focuses on low temperature and low pressure geochemistry in aquatic systems, both freshwater and marine environments.

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Presentation transcript:

Overview Research in the Geochemistry group focuses on low temperature and low pressure geochemistry in aquatic systems, both freshwater and marine environments. Our research objectives are to characterize and understand the biogeochemical processes that regulate the distribution of inorganic and organic compounds to determine their impact on the environment in the past, the present, and the future. Geochemical measurements are also used in geological and biological archives such as corals, deep sea sediments, and cave deposits to investigate ocean and climate history. Some of our research is field- based and includes oceanic cruises, in situ measurements in coastal and deep-sea environments, and investigations in pristine or polluted rivers, lakes, aquifers, and coastal marshes. Laboratory-based research investigates interactions between minerals, microorganisms, and dissolved chemicals to characterize the processes that mediate their dissolution and precipitation. EAS Faculty & Research Interest Dr. Kim Cobb Paleoclimates and isotope geochemistry. Mechanism of global climate changes in geological time using isotopes and trace metals, geochemistry of corals and speleothems, carbon and oxygen isotopes, magnetic sector and secondary ion mass spectrometry. Dr. Jennifer Glass Geobiology. Evolution of life on Earth, trace metal requirements in the nitrogen, carbon, and sulfur cycles, geochemical proxies, bioinformatics, metalloenzymes. Dr. Ellery Ingall Biogeochemistry of natural waters and sediments. Cycling of phosphorus, nitrogen and carbon in aquatic systems, redox geochemistry, organic geochemistry, nuclear magnetic resonance, synchrotron X-ray techniques. Dr. Taka Ito Ocean circulation, marine biogeochemical cycles, impact of climate on ocean biogeochemistry, numerical modeling, coupling biogeochemical modeling with global circulation models. Dr. Joel Kostka Biogeochemistry, geomicrobiology. Characterization of microbial populations involved in carbon, nitrogen, and metal cycling in sediments and terrestrial environments, microbial processes involved in the bioremediation of organic and metal contaminants, biofuels as alternative source of energy. Dr. Jean Lynch-Stieglitz Paleoclimate and isotope geochemistry. Interaction of the ocean and climate over the decade to tens of thousands of years, variability in ocean circulation in the geological past, geochemical paleoproxies, oxygen and carbon isotopes in carbonates from foraminifera. Dr. Martial Taillefert Inorganic geochemistry in aquatic systems, chemical oceanography, geomicrobiology. Interactions between chemical and biological processes at redox interfaces, cycling of trace metals and metal bioremediation, in situ measurements in sediments, analytical speciation of trace metals, dynamic biogeochemical modeling. Research Scientists Dr. Jessica Conroy Meg Grantham Jonathan Delgardio EAS Research Areas Atmospheric Chemistry, Aerosols & Clouds Paleoclimate Planetary Science Geochemistry Dynamics of Weather and Climate Geophysics Oceanography and Climate Remote Sensing Jordon Beckler Keaton Belli Jacky Bracco Stacy Carolin Colin Dean Nelson W. Green Wei-Ching Hsu Morris E Jones Peter Leech Hui Lin Jessica Moerman Kathleen Salome Hussein Sayani Babak Shafei Anna Williams Graduate Students

Geochemistry Related Courses Geochemical Thermodynamics Geochemical Kinetics Aqueous Geochemistry Isotope Geochemistry Organic Geochemistry Geomicrobiology Biogeochemical Cycles Oceanography Water Quality Modeling Earth System Modeling Paleoclimate & Paleoceanography Tectonics, Climate & Landscape Environmental Field Methods Application Requirements B.S. or M.S. in any field of geophysical, physical or environmental science GPA: 3.0/4.0 & Higher Graduate record Exam (GRE) TOEFL (International Students) Application Target January 15 Admissions: Dr. Kim Cobb Information: Kathy Plummer Application Materials Application Form (Online) Personal Statement Recommendation Letters (3) Official Transcripts (each school) Test Scores (GRE and/or TOEFL) EAS Opportunities Research field missions State-of-the-art laboratories Local environmental monitoring Broad range of computing resources Interdisciplinary seminar series Financial Assistance Graduate Assistantships (RA/TA) Full Tuition Payment National and Local Fellowships Professional Conference School of Earth & Atmospheric Science Degree Requirements M.S. Students Course: 30 Credit Hours Thesis or Non-Thesis Ph.D. Students EAS Course: 15 Credit Hours Minor Course: 9 Credit Hours Academic Breadth Comprehensive Exam Doctoral Examination