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Environmental Sciences

Environmental Sciences. Areas of Focus. Bio-micrometeorology Measurements and modeling Vegetation-soil-atmosphere exchange of gases Carbon cycling of natural and managed ecosystems Molecular Environmental Sciences Nutrient Management Pedology Remediation Soil Biology and Biochemistry

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Environmental Sciences

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  1. Environmental Sciences

  2. Areas of Focus • Bio-micrometeorology • Measurements and modeling • Vegetation-soil-atmosphere exchange of gases • Carbon cycling of natural and managed ecosystems • Molecular Environmental Sciences • Nutrient Management • Pedology • Remediation • Soil Biology and Biochemistry • Waste Management • Water Resources 1Heisenberg’ssecond question for God

  3. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Fundamental understanding of processes • Cycling, transport, and bioavailability of contaminants • Molecular biological tools provide new insights • Nutrient Management • Pedology • Remediation • Soil Biology and Biochemistry • Waste Management • Water Resources

  4. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Nutrient Management • Biological and chemical pathways of nutrient cycling • Remote sensing and mapping of soil spatial variability • Ammonia volatilization from urea and manures • Improved methods of determining lime requirements • Pedology • Remediation • Soil Biology and Biochemistry • Waste Management • Water Resources

  5. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Nutrient Management • Pedology • Better interpretation through better understanding of genesis • More comprehensive soil hydraulic properties • Redoximophic features and depth/duration of saturation • Remediation • Soil Biology and Biochemistry • Waste Management • Water Resources

  6. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Nutrient Management • Pedology • Remediation • Iron & metal sulfides remediation of halogenated solvents • Wetland macrophytes sorption of mercury, selenium, & arsenic • Sorption of TNT on humic-clay mineral complexes • Soil Biology and Biochemistry • Waste Management • Water Resources

  7. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Nutrient Management • Pedology • Remediation • Soil Biology and Biochemistry • Biological activity effect on soil structure and function • Earthworm effect on turnover of nutrients and C • Use of isotopes, NMR spectroscopy, & DNA methods • Waste Management • Water Resources

  8. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Nutrient Management • Pedology • Remediation • Soil Biology and Biochemistry • Waste Management • Industrial by-products: fly ash, gypsum, pulp, sewage sludge • Poultry litter • On-site wastewater systems • Water Resources

  9. Areas of Focus • Bio-micrometeorology • Molecular Environmental Sciences • Nutrient Management • Pedology • Remediation • Soil Biology and Biochemistry • Waste Management • Water Resources • Water quality and water quantity • Phosphorus, sediment, and bacteria • Conservation methods for irrigated crops & turfgrass

  10. Success Stories • Role that manure P plays in water quality • US EPA requirement for P-based NMPs • State listing of 5 reservoirs for P TMDLs • Impact of cattle in streams • Watershed-scale transport models

  11. Success Stories • Impact of irrigation on stream flow in SW Ga • Hydrologic models, irrigation monitoring, & GIS to quantify withdrawals • Assisted in development & implementation of Flint River Basin Plan

  12. Success Stories Invasive Amynthas agrestis alters soils in S. Appalachians • Basic research on earthworm invasion biology • Geographic extent of invasion • Mechanisms and pathways • Impacts on soil processes • Mitigation possibilities for native species O-layer mixed into A-horizon uninvaded invaded soil soil Invasive Dendrobaena octaedra alters soils in Minnesota (Hale et al 2005)

  13. Success Stories • Bacterial source tracking • Identification of sources of bacteria in coastal waters • Interaction with sediment • Targeted sampling methods

  14. Success Stories • Yucca Mountain plutonium chemistry • MES • Detailed chemical speciation of contaminants in complex samples • Understanding mineral phases controlling contaminant partitioning and speciation dynamics at mineral surfaces Duff et al., (1999 a&b); Duff et al., (2000; 2001) Powell et al. (2006)

  15. Success Stories • Carbon flux super site at SREL

  16. Challenges • Net loss of 2 tenure-track research positions • Soil fertility at Tifton • Soil chemistry at Griffin • New positions needed • GIS at Athens (research & extension) • Urban land management at Griffin (research & teaching) • Soil fertility & plant nutrition at Tifton (research)

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