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People
The faculty and research associates affiliated with the Center for Research in Environmental Sciences (CRES) come from multiple Indiana University schools and departments--including the School of Public and Environmental Affairs (SPEA), the School of Medicine, and the Departments of Anthropology, Biology, Chemistry, Geography, Geological Sciences, and Physics. The IU CRES Executive Committee draws its members (designated below by an asterisk [*]) from the affiliated faculty. Keith Clay (Professor of Biology and Adjunct Professor of SPEA) serves as the director of CRES.
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Barthelmie, Rebecca (revised: Aug-29-2008) |
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Research Summary: Dr. Barthelmie's research into renewable energy, atmospheric chemistry, and climate change includes power losses by wind turbine wakes, wind energy meteorology and climatology, atmospheric stability characteristics, offshore and coastal meteorology, transport and transformation of atmospheric pollutants, and chemistry of atmospheric aerosols.
Representative Publications
Representative Publications
- Barthelmie, R.J., Murray, F. and Pryor, S.C. 2008: The economic benefit of short-term forecasting for wind energy in the UK electricity market, Energy Policy, 36(5), 1687-1696. doi:10.1016/j.enpol.2008.01.027.
- Barthelmie, R.J., Frandsen, S.T., Nielsen, N.M., Pryor, S.C., Rethore, P.E. and H.E. Jørgensen, 2007: Modelling and measurements of power losses and turbulence intensity in wind turbine wakes at Middelgrunden offshore wind farm, Wind Energy doi: 10.1002/we.238. 10, 217-228.
- Barthelmie, R.J. 2007: Wind energy: Status and trends. Geography Compass, 1 (3), 275-301. doi:10.1111/j.1749-8198.2007.00030.x (Featured in DG Environment News Alert 2007: Science for Environment Policy Newsletter 29 July 2007. Wind energy. Status and trends. ec.europa.eu/environment/integration/research/newsalert/pdf/75na2.pdf)
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- GEOG-G 542 Sustainable Energy Systems
- GEOG-G 532 Physical Meteorology and Climatology
- GEOG-G 570 Micrometeorology
- GEOG-G 531 Dynamic Meteorology
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Bever, Jim* (revised: May-05-2008) |
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Research Summary: Dr. Bever's research focuses on the ecological and evolutionary interactions between plants and micro-organisms. Much of the work focusses on beneficial soil fungi, called mycorrhizal fungi, which facilitate plant uptake of soil nutrients and can mediate plant competition and the success of exotic species.
Representative Publications
Representative Publications
- Bever, J. D. 2003. Soil Community dynamics and the coexistence of competitors: Conceptual frameworks and empirical tests. New Phytologist. 157: 465-473.
- Bever, J. D., P. A. Schultz, R. M. Miller, L. Gades and J. D. Jastrow. 2003. Inoculation with prairie mycorrhizal fungi may improve restoration of native prairie plant diversity. Ecological Restoration. 21: 311-312.
- Vogelsang, KM and JD Bever. 2008. Mycorrhizal densities decline in association with non-native plants and contribute to plant invasion. Ecology. In press.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- Biology L578 Population Biology
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Brabson, Bennet B. (revised: Aug-29-2008) |
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Research Summary: Critical to the extraction of electric power from wind is an understanding of wind speed distributions. Dr. Brabson's research in environmental physics is principally in the area of extreme value analysis where statistical techniques in Extreme Value Theory (EVT) are applied to wind and temperature time series. Dr. Brabson has also explored the known relationship between incident short wave radiation, soil moisture, and temperature.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- P310/P510 Environmental Physics
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Brassell, Simon (revised: Sep-14-2011) |
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Research Summary: Dr. Brassell's research focuses on determination, assessment, and interpretation of molecular and isotopic characteristics of organic matter in natural systems to understand biogeochemical processes associated with present and past carbon cycling, and to utilize as indicators of ancient environments and paleoclimate.
Representative Publications
Representative Publications
- Dumitrescu M., Brassell S.C., Schouten S., Hopmans E. and Sinninghe-Damsté J.S. (2006) Instability in tropical sea surface temperatures during the Early Aptian. Geology 34, 833-836.
- Finkelstein D.B., Pratt L.M., Brassell S.C. (2006) Can biomass burning produce a globally significant carbon-isotope excursion in the sedimentary record? Earth & Planetary Sci. Lett. 250, 501-510.
- Villinski J.C., Hayes J.M., Brassell S.C., Riggert V.L. and Dunbar R.B. (2008) Sedimentary sterols as biogeochemical indicators in the Southern Ocean. Org. Geochem. 39, 567-588.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G587 Organic Geochemistry: An introduction to the biological origins and sedimentary fate of organic matter, and to the application of organic geochemistry in addressing critical geological problems broadly related to Earth history, microbial activity, and fossil fuels.
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Brondizio, Eduardo (revised: Apr-28-2011) |
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Research Summary: As an environmental anthropologist, Dr. Brondizio's research has focused on the comparative analysis of rural populations as they co-evolve with shifts in the larger society, particularly in the Amazon region and in Brazil. He is dedicated to long-term research with Amazonian caboclo and colonist populations studying the role of cultural and historical, economic and institutional, demographic, and environmental factors shaping people-environment interaction, particularly forests, and regional development, and their linkages to local, regional, and global processes.
Representative Publications
Representative Publications
- Brondizio, E. S. (2008) The Amazonian Caboclo and the Açaí palm: Forest Farmers in the Global Market. New York: New York Botanical Garden Press. ISBN 978-0-89327-476-4. www.nybgshop.org/The-Amazonian-Caboclo-and-the-Açaí-Palm-p-19101.html
- Brondizio, E. S. and E. F. Moran. Human Dimensions of Climate Change: The vulnerability of small farmers in the Amazon. Philosophical Transactions of the Royal Society 363, 1803-1809. journals.royalsociety.org/content/j1835412q366166n/
- Brondizio, E. S. 2006. Landscapes of the past, footprints of the future: historical ecology and the analysis of land use change in the Amazon. In W. Balée and C. Erikson (eds.) Time and Complexity in Historical Ecology: Studies in the Neotropical Lowlands. NY: Columbia U. Press. Pp. 365-405.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E600/E400: People and Plants: A graduate seminar in Ethnobotany
- E600: The Human footprint: The study of land use and cover change
- E600/E400: Human Ecology from Space: An Introduction to Remote Sensing in the Social Sciences
- E600: People and Forest
- A495: Cultural ecology and environmental anthropology: Historical perspectives
- A495: Amazonian cultural ecology
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Brown, Constance (revised: Aug-29-2008) |
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Research Summary: Dr. Brown explores the surface-atmosphere exchange processes in transitional/changing and semi-arid ecosystems. She integrates ground, aircraft, and satellite data to understand and assess ecosystem function.
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Clay, Keith** (revised: Aug-29-2008) |
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Research Summary: Dr. Clay is interested in how microbial interactions affect dynamics of ecological communities. Recent research has revealed unsuspected microbial diversity and evidence for its central role in many ecological processes.
Representative Publications
Representative Publications
- D. Civitello, S. L. Flory and K. Clay. 2008. Exotic grass invasion
reduces tick-borne disease risk. Journal of Medical Entomology (in
press).
- K. Clay, O. Klyachko, N. Grindle, D. Civitello, D. Oleske and C. Fuqua.
2008. Microbial community ecology of ticks: prokaryotic diversity,
distribution and interactions in the lone star tick, Amblyomma
americanum. Molecular Ecology (in press).
- Rudgers, J. and K. Clay. 2008. An invasive plant-fungal mutualism
reduces arthropod diversity. Ecology Letters 11: 831-840.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- Biology L579 Community Ecology (Fall 2008)
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Colbourne, John* (revised: Sep-14-2011) |
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Research Summary: Studies in the Colbourne lab encompass the fields of evolutionary ecology, molecular biology, systematics, and functional genomics. They center on connecting gene expression and genome structure with individual fitness and population-level responses to environmental challenges. Because few animal models amendable to genomics research have equally compelling ecological attributes to effectively integrate ecology and evolution with functional genomics, Dr. Colbourne's group is working to develop Daphnia into a new model organism to study (1) the functional mechanisms of phenotypic plasticity–including environmental sex determination and cyclomorphosis, (2) the genetic basis of evolutionary adaptation within natural populations, and (3) the physiological and evolutionary potential of aquatic organisms to counter chemical threats (pollution) in the environment. The expertise of his lab also includes a growing number of other arthropod genomics projects (including flies, ticks, wasp, scuds) for the planning stages of an Arthropod Comparative Genomics Initiative.
Representative Publications
Representative Publications
- Colbourne, J.K., M.E. Pfrender, D. Gilbert, et al. 2011. The ecoresponsive genome of Daphnia pulex. Science 331(6017): 555-561.
- Werren, J.H., S. Richards, C.A. Desjardins, O. Niehuis, J. Gadau, J.K. Colbourne (project leaders) et al. 2010. Functional and evolutionary insights from the genomes of three parasitoid Nasonia species. Science: 327:343-348.
- Conlon, C., S. McTaggart, J.K. Colbourne, M. Blaxter and T.J. Little. 2009. The components of the Daphnia pulex immune system as revealed by complete genome sequencing. BMC Genomics 10:175.
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Craft, Chris (revised: Sep-14-2011) |
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Research Summary: Using wetlands as a model, Professor Craft's research focuses on biogeochemical linkages between vegetation, soils, and soil fauna and the effects of human activities on these linkages.
Representative Publications
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E440 Wetlands
- E534 Restoration Ecology
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Douglas, Bruce (revised: Jan-10-2011) |
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Research Summary: Dr. Douglas's research is focused on developing an understanding of various deformation mechanisms active in the brittle and ductile portions of the lithosphere. Projects involve both laboratory- and field-based investigations; all projects typically combine either experimental or theoretical modeling with field or natural samples and site-specific data sets.
Representative Publications
Representative Publications
Pertinent Courses Taught
Pertinent Courses Taught
- G103 Earth Science: Materials and Processes
- G171 Environmental Geology
- G300 Environmental and Urban Geology
- G429 Field Geology of the Northern Rocky Mountains
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Dragoni, Danilo (revised: Aug-09-2011) |
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Research Summary: Dr. Dragoni explores biosphere-atmosphere interactions (exchange of CO 2, water vapor, and energy between forests and the atmosphere). He also measures and models the spatial and temporal dynamic of plant-environment interactions, with particular focus on transpiration and photosynthesis processes.
Representative Publications
Representative Publications
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Elswick, Erika (revised: Sep-01-2011) |
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Research Summary: Dr. Elswick's research interests include: (1) stable isotopes in sedimentary environments (past and present) and their application to sedimentary ore deposits, (2) the fate of metals in the environment and in the development of tropical soils, (3) low temperature hydrothermal rock-water interactions at oceanic spreading ridges, and (4) the influences and interactions with microbial activity and microbial byproducts with these rock-water interactions.
Representative Publications
Representative Publications
- Elswick, E.R., and Maynard, J.B., Bedded barite deposits: environments of deposition, styles of mineralization, and tectonic settings. (in submission to Treatise of Geochemistry, v.7, 2nd Ed).
- Elswick, E.R., and Gercke, T.L. Physical and Geochemical Characteristics of Soils of Angel Mounds State Historic Site, Indiana: including a case study of sherds from Unit A. (in submission to Special Volume on Angel Mounds, Midwest Archaeologist).
- Overberg-Webb, K, Craft, C., Elswick, E.R., (2008) The evaluation of the freshwater western pearl mussel, Margaritifera falcata (Gould, 1850), as a bioindicator through the analysis of metal partitioning and bioaccumulation: Northwest Science, v.82, no.3, p. 163-173.
Pertinent Courses Taught
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Evans, Tom* (revised: Sep-08-2008) |
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Research Summary: Dr. Evans' research interests fall broadly within the area of human-environment relations and human dimensions of global change by studying the role of institutions and policy in local and regional level environmental change processes as well as the influence of various household dynamics (e.g., risk, vulnerability, uncertainty) in land change systems.
Representative Publications
Representative Publications
- Evans, T. P. and Kelley, H. 2008. Assessing the transition from deforestation to forest regrowth with an agent-based model of land cover change for South-Central Indiana (USA). Geoforum. 39(2): 819-832.
- Manson, S. and Evans, T. P. 2007. Agent-based modeling of deforestation in southern Yucatán, Mexico, and reforestation in the Midwest United States. Proceedings of the National Academy of Science. 104(52): 20678-20683.
- Evans, T. P., and Kelley, H. 2004. Multi-scale analysis of a household level agent-based model of landcover change. Journal of Environmental Management. 72 (1-2), 57-72.
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Ewert, Alan (revised: Oct-21-2009) |
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Research Summary: Dr. Ewert's research focus is primarily on two areas: (1) the formation of environmental attitudes and (2) the relationship between natural environments and human health. More specifically, his work has involved developing and studying the concept of environmental desirability responding. In addition, he has begun to look at the role that outdoor activities play in the maintenance and formation of human health characteristics.
Representative Publications
Representative Publications
- Ewert, A., & Galloway, G. (2009). Socially desirable responding in an environmental context: Development of a domain specific scale. Environmental Education Research. (in press).
- Ewert, A., Voight, A., Calvin, D. & Hayashi, A. (2008). Outdoor programs and environmental beliefs: Investigating the stability of outcomes and levels of salience. In: Watson, A, Sproull, J., & Dean, D. (comp.). 2007. Science and Stewardship to Protect and Sustain Wilderness Values: Eighth World Wilderness Congress Symposium. September 30-October 6, 2005. Anchorage, AK. Proceedings RMRS-P-49. Fort Collins, CO. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. (pp. 416-421).
- Ewert, A., Place, G., & Sibthorp. J. (2005). Early-life outdoor experiences and an individual's environmental attitudes. Leisure Sciences, 27, 225-239.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- R-515 Human Health, Quality of Life, and Natural Environments
- R-529 Ecotourism
- NREM-609 Integrated Natural Resources Management
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Fischer, Burnell (revised: Aug-29-2008) |
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Research Summary: Professor Fischer's teaching, service, and research focuses on the practice of forestry and urban forestry, particularly the Central Hardwoods Region of the U.S. He also has interests in forest resources policy, including state government management.
Representative Publications
Representative Publications
- Fischer, B.C. and B.C. Steed. 2008. Street Trees: A Misunderstood Common Pool Resource. Proceedings of the 84th International Society of Arboriculture Annual Conference, St. Louis, MO. 18 p.
- Morrissey, R.C., M.M. Gauthier, J.A. Kershaw, Jr., D.F. Jacobs, B.C. Fischer, and J.R. Seifert. 2008. Grapevine dynamics after manual tending of juvenile stands on the Hoosier National Forest, Indiana. In: Jacobs, D.F. and Michler, C.H., eds., Proceedings of the 16th Central Hardwood Forest Conference; 2008 April 8-9, West Lafayette, IN. USDA Forest Service Northern Research Station Gen. Tech. Rep. NRS-P-24.
- Morrissey, R.C., D.F. Jacobs, J.R. Seifert, B.C. Fischer and J.R. Kershaw. 2008. Competitive success of natural oak regeneration in clearcuts during the stem exclusion state. Canadian Journal of Forest Research, 38:1419-1430.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E522 Urban Forest Management
- E555 Sustainable Forestry
- E710 International Forestry Resources and Instituions
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Fuqua, Clay* (revised: Sep-13-2011) |
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Research Summary: Research projects in Dr. Fuqua's laboratory are broadly focused on cell-to-cell interactions in prokaryotes. Many different bacteria are now known to communicate with and physically contact other bacteria, allowing coordinated behavior and the formation of complex multicellular structures. Such microbial interactions often come into play when microbes colonize a host. His lab studies microbial cellular interactions in several contexts. The first is a process of intercellular signaling called "quorum-sensing" among the plant-associated bacteria Agrobacterium tumefaciens and Rhizobium sp. NGR234, and among the natural microbial consortia of marine sponges. The second area overlaps the first, but more broadly focuses on the mechanisms underlying formation of surface-adherent microbial communities called biofilms. Finally, the lab studies the composition and organization of microbial communities that flourish within the confines of host invertebrates, including several species of hard ticks that are responsible for transmitting human disease in Indiana.
Representative Publications
Representative Publications
- Hibbing, M.E. and C. Fuqua. 2011. Anti-parallel and interlinked control of cellular iron levels by the Irr and RirA regulators of Agrobacterium tumefaciens. J. Bacteriol. 193:3461-72.
- Blackwell, H.E. and C. Fuqua. 2011. Introduction to bacterial signals and chemical communication. Chem Rev. 111:1-3.
- Zan, J., C. Fuqua and R.T. Hill. 2011. Diversity and functional analysis of luxS genes in vibrios from marine sponges Mycale laxissima and Ircinia strobilina. ISME J. E-Pub.
- Tomlinson, A.D., B. Ramey-Hartung, T.W. Day, P.M. Merritt and C. Fuqua. 2010. Agrobacterium tumefaciens ExoR represses succinoglycan biosynthesis and is required for biofilm formation and motility. Microbiology - SGM 156:2670-81.
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Haitjema, Henk (revised: Aug-29-2008) |
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Research Summary: Dr. Haitjema's research includes modeling and model development of regional groundwater flow systems, three-dimensional groundwater flow embedded in horizontal flow models (Dupuit-Forchheimer models), and multiple fluid flow.
Representative Publications
Representative Publications
- "The role of hand calculations in groundwater flow modeling" 2006, Henk Haitjema, GROUND WATER, Vol 44, No. 6, pages 786-791, November - December.
- "A Fast Direct Solution Method Nonlinear Equations in an Analytic Element Model" 2006, Henk Haitjema, GROUND WATER 44, no. 1: 102-105
- "Are Water Tables a Subdued Replica of the Topography?" 2005, Henk M. Haitjema and Sherry Mitchell-Bruker, GROUND WATER 43, no. 6: 781-786.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E526 Applied Mathematics for Environmental Science
- E554 Groundwater Flow Modeling
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Hall, Spencer (revised: Sep-14-2011) |
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Research Summary: Dr. Hall studies the ecology of infectious disease and food web interactions in freshwater environments.
Representative Publications
Representative Publications
- Hall, S.R., C.R. Becker, J.L. Simonis, M.A. Duffy, A.J. Tessier, and C.E. Cáceres. 2009. Friendly competition: evidence for a dilution effect among
competitors in a planktonic host-parasite system. Ecology, in press.
- Duffy, M.A., and S.R. Hall. 2008. Selective predation and rapid evolution can jointly dampen effects of virulent parasites on Daphnia populations. American Naturalist 171:499-510.
- Hall, S.R., L. Sivars-Becker, C. Becker, M.A. Duffy, A.J. Tessier, and C.E.
Cáceres. 2007. Eating yourself sick: transmission of disease as a function of foraging ecology. Ecology Letters 10: 207-218.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- Biology L577 Theoretical Ecology
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Hamburger, Michael (revised: Sep-14-2011) |
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Research Summary: Dr. Hamburger's major research interests are in seismotectonics, dynamics of earthquake and volcanic processes, and application of satellite geodetic measurements to geodynamic problems. He has active research programs in the subduction zone environment of the Philippine island arc, as well as in zones of continental extension in the Long Valley Caldera region of California and the intraplate environment of the central U.S. Major field research projects include: (1) analysis of earthquake distribution, focal mechanisms, and deformation patterns associated with subduction and intra-arc deformation in the Philippines; (2) study of crustal deformation using Global Positioning System (GPS) measurements near Taal volcano, Luzon, Philippines; (3) studies of seismicity and crustal deformation in the U.S. midcontinent (Wabash Valley seismic zone of southern Indiana and Illinois); (4) application of GPS measurements to study coupled tectonic and volcanic processes in the Long Valley Caldera of eastern California.
Representative Publications
Representative Publications
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G554 Fundamentals of Plate Tectonics
- G515 Analysis of Earthquake Seismograms
- G637 Seminar in Tectonics
- G633 Advanced Geophysics Seminar
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Henshel, Diane (revised: Aug-29-2008) |
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Research Summary: Professor Henshel researches the link between environmental contamination and both human and ecosystem health. A long-term research focus has been on the sublethal health effects of environmental pollutants, especially on the developing organism. Much of this research has emphasized the effects of polychlorinated dibenzo-p-dioxins (PCDDs) and related congeners on the developing avian nervous system using a combination of neuroanatomical, immunohistological, biochemical, and behavioral techniques.
Recent research addresses the following topics:
- The use of red light phototherapy as a non-invasive treatment to counteract health impacts of chemicals associated with oxidative and energy stress
- Linking indicators of environmental exposure with public health impacts at the population or landscape scale and using these tools to evaluate social and environmental justice issues
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E560 Environmental Risk Analysis
- E520 Environmental Toxicology
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Hites, Ron (revised: Sep-08-2008) |
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Research Summary: Professor Hites applies organic analytical chemistry to understand environmental problems. Most of his work uses mass spectrometry for the analysis of trace levels of potentially toxic environmental pollutants.
Representative Publications
Representative Publications
- Flame retardants in the atmosphere near the Great Lakes, Environmental Science and Technology, 42, 4745-4751 (2008); with M. Venier.
- Electron impact and electron capture negative ionization mass spectra of polybrominated diphenyl ethers and methoxylated polybrominated diphenyl ethers, Environmental Science and Technology, 42, 2243-2252 (2008).
- Dechlorane Plus in tree bark from the northeastern United States, Environmental Science and Technology, 42, 31-36 (2008); with X. H. Qiu.
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Jones, Bill (revised: Sep-14-2011) |
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Research Summary: As an aquatic ecologist, Professor Jones performs lake diagnostic studies, prepares lake and watershed management plans, and works with the Indiana Department of Environmental Management in implementing the Indiana Clean Lakes Program.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E455 Limnology (despite the 4xx number, this course is taught at the graduate level and students receive graduate credit)
- E545 Lake and watershed management
- E546 Stream Ecology
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Kehoe, David M. (revised: Sep-13-2011) |
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Research Summary: Dr. Kehoe's research seeks to understand the molecular mechanisms through which photosynthetic bacteria sense and respond to changing environmental conditions. These studies focus on cyanobacteria and their responses to alterations in light and nutrient conditions in both freshwater and marine environments.
Representative Publications
Representative Publications
- Gutu, A. and D. M. Kehoe. 2011. Emerging Perspectives on the Mechanisms, Regulation, and Distribution of Light Color Acclimation in Cyanobacteria. Molecular Plant. DOI: 10.1093/mp/ssr054.
- Gutu, A., Alvey, R. M., Bashour, S., Zingg, D., and D. M. Kehoe. 2011. Sulfate-driven elemental sparing is regulated at the transcriptional and post-transcriptional levels in a filamentous cyanobacterium. Journal of Bacteriology, 193: 1449-1460.
- Kolowrat, C., Partensky, F., Mella-Flores, D., Le Corguillé, G., Boutte, C., Blot, N., Ratin, M., Ferréol, M., Lecomte, X., Gourvil, P., Lennon, J.-F., Kehoe, D.M., and L. Garczarek. 2010. Ultraviolet stress delays chromosome replication in light/dark synchronized cells of the marine cyanobacterium Prochlorococcus marinus PCC9511. BMC Genomics, 10: 204.
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Klaunig, Jim* (revised: Sep-14-2010) |
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Research Summary: Dr. Klaunig's research interests are dedicated to understanding the mechanisms of chemically induced toxicology and carcinogenesis with emphasis on human health and genetic and environmental factors affecting human risk.
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Lave, Rebecca (revised: Sep-16-2008) |
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Research Summary: Dr. Lave's research combines fluvial geomorphology and political ecology to focus on the political economy of stream restoration in the United States--and the relationships among science, markets, and the state more broadly.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G315 Environmental Conservation
- G440/540 Introduction to Political Ecology
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Letsinger, Sally (revised: Aug-29-2008) |
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Research Summary: Dr. Letsinger's research focuses on watershed hydrology, especially in areas of complex terrain; using numerical methods to solve geologic and hydrogeologic problems; and using GIS and remote sensing as tools for geospatial data analysis applied to geologic problems at all scales.
Representative Publications
Representative Publications
- Letsinger, S.L., and Olyphant, G.A., 2008, GIS-Based Potential Recharge- and Discharge-Area Mapping from Three-Dimensional Hydrogeologic Modeling in Glacial Terrains of the Midwestern United States. To be presented at the 2008 Joint Meeting of The Geological Society of America, October 8, 2008.
- Letsinger, S.L., and Olyphant, G.A., 2007, Distributed energy balance modeling of snow cover evolution and melt in rugged terrain: Tobacco Root Mountains, Montana, USA: Journal of Hydrology, v.336, no. 1-2, pp. 48-60.
- Letsinger, S.L., Olyphant, G.A., Medina, C.R., 2006, The Role of GIS in the Development of Three-Dimensional Hydrogeologic Models. Geological Society of America Abstracts with Programs, vol. 38, no. 7, p. 164.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- GEOL G584 Geological Applications of GIS (3 cr.)
Concepts and implementation of Geographic Information System (GIS) and Global Positioning System (GPS) technologies are introduced during intensive laboratory sessions. Field work, conducted in the Griffy Woods Indiana University Research and Teaching Preserve, involves mapping of pertinent features using GPS units followed by additional data collection aimed at attributing specific mapped features. Field work is integrated with existing base data using GIS software; spatial analysis concepts are introduced and used to solve geologic problems. Sem II, Second 8-week intensive session. Taught by Letsinger and Olyphant.
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Lu, Dengsheng (revised: Oct-07-2009) |
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Research Summary: Dr. Lu's research focuses on the use of geospatial techniques (e.g., remote sensing, GIS, and modeling) to analyze land use and land cover change, map impervious surface, examine urban heat island, estimate carbon/biomass, and evaluate land degradation risks.
Representative Publications
Representative Publications
- Lu, D., Tian, H., Zhou, G., and Ge, H., 2008. Regional Mapping of Human Settlements in Southeastern China with Multisensor Remotely Sensed Data. Remote Sensing of Environment, 112(9), 3668-3679.
- Weng, Q., and Lu, D., in press. A sub-pixel analysis of urbanization effect on land surface temperature and its interplay with impervious surface and vegetation coverage in Indianapolis, United States. International Journal of Applied Earth Observation and Geoinformation.
- Weng, Q., Hu, X., and Lu, D., in press. Extracting Impervious Surface from Medium Spatial Resolution Multispectral and Hyperspectral Imagery: A Comparison. International Journal of Remote Sensing.
- Lu, D., Batistella, M., and Moran, E., 2008. Integration of Landsat TM and SPOT HRG Images for Vegetation Change Detection in the Brazilian Amazon. Photogrammetric Engineering and Remote Sensing, 74(4), 421 - 430.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
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McKinlay, James "Jake" (revised: Sep-13-2011) |
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Research Summary: Microbial metabolism and its role in cell physiology, the environment, and the production of biofuels and chemicals.
Representative Publications
Representative Publications
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Meretsky, Vicky (revised: Sep-14-2011) |
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Research Summary: Professor Meretsky is a conservation biologist whose research interests include ecology of rare species, demographic and spatial population models, temporal patterns in biodiversity as a function of physical and biotic environmental variables, and integrating ecosystem research and endangered species management with adaptive management.
Representative Publications
Representative Publications
- Stevens, L.E., and V.J. Meretsky. 2008. Aridland Springs in North America: Ecology and Conservation. University of Arizona Press, Tucson, AZ.
- Meretsky, V.J., R.L. Fischman, J.R. Karr, D.M. Ashe, J.M. Scott, R.F. Noss, and R.L. Schroeder. 2006. New Directions in Conservation for the National Wildlife Refuge System. BioScience 55(2)131-139.
- VanWey, L.K., E. Ostrom, and V. Meretsky. 2005. Theories underlying the study of human-environment interactions. Pp. 23-56 in E.F. Moran and E. Ostrom (eds.) Seeing the Forest and the Trees: Human-Environment Interactions in Forest Ecosystems. MIT Press, Cambridge, MA.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E557 Conservation Biology (spring semesters)
- E538 Statistics for Environmental Sciences (fall semesters)
- E532 Introduction to Applied Ecology (for non-biology/ecology majors; fall semesters)
- E555 Effects of Climate Change on Fish and Wildlife Resources (Fall 2008 only)
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Moran, Emilio F. (revised: Aug-26-2011) |
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Distinguished Professor & James H. Rudy Professor
IU Anthropology Department IU Department of Geography IU School of Public and Environmental Affairs
Departmental/Personal Web Page
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Research Summary: By combining remote sensing methods and ground-level methods of data gathering and analysis, Dr. Moran is developing a multi-level, multi-site, longitudinal, and comparative approach to the study of how people impact forests, how they organize to manage their resources, and what role human population plays in their shifting actions.
Representative Publications
Representative Publications
To find a list of Dr. Moran's publications, visit the Anthropological Center for Training and Research on Global Environmental Change (ACT) Web site at www.indiana.edu/~act.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
In Fall 2009 Dr. Moran will teach a course on research design that prepares students in their second and third year for preparing a doctoral dissertation research proposal. G515 Human Dimensions of Global Environmental Change: Theory and Method. Students prepare 4 complete drafts of a proposal, and develop each part with review as if it were for real. All steps of grant submission are covered.
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Muehlenbein, Michael (revised: Sep-17-2008) |
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Research Summary: Dr. Muehlenbein is interested in describing the ecological determinants of human immune responses to infectious pathogens and the evolutionary physiology of these responses. He is also interested in understanding the ecological changes associated with emerging infectious diseases, particularly those infections shared between human and nonhuman primate populations.
Representative Publications
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- I202 Health, Environment, and Development
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Olyphant, Greg* (revised: Aug-29-2008) |
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Research Summary: Water and watersheds: water balance, groundwater hydrology, Land-use coupled watershed models. Hydrology of disturbed landscapes: E.coli contamination of lakes and streams, mine hydrology, wetland restoration.
Representative Publications
Representative Publications
- Boswell, J.S. and Olyphant, G.A., 2007. Modeling the hydrologic response of groundwater dominated wetlands to transient boundary conditions: Implications for wetland restoration. Journal of Hydrology 332: 467-476.
- Olyphant, G.A., 2005. Statistical basis for predicting the need for bacterially induced beach closures: Emergence of a paradigm? Water Research 39(20):4953-4960.
- Olyphant, G.A., Thomas, J., Whitman, R.L., and Harper, D., 2003. Characterization and statistical modeling of bacterial (Escherichia Coli) outflows from watersheds that discharge into southern Lake Michigan. Environmental Monitoring and Assessment, 81:289-300.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G550 Surface Water Hydrology
- G581 Surficial Geology
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Parkhurst, David (revised: Sep-11-2008) |
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Research Summary: Dr. Parkhurst studies relationships between plant leaf structure and function, with a current interest in how vascular patterns may be related to patchy stomatal closure. His other major interests are in common misinterpretations of statistical hypothesis testing, and in indicator bacteria at swimming beaches.
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Phillips, Richard (revised: Aug-29-2008) |
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Research Summary: Dr. Phillips' research broadly seeks to quantify and better understand how plants and soil microbes influence biogeochemical cycling in terrestrial ecosystems in the wake of human-accelerated environmental change.
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Picardal, Flynn (revised: Sep-14-2011) |
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Research Summary: Dr. Picardal's research deals with environmental microbiology, specifically with the (a) biotransformation of metals and microbial interactions with mineral surfaces, (b) microbial iron reduction and oxidation, (c) anaerobic biogeochemistry, and (d) biodegradation of PCBs and other chlorinated organic compounds.
Representative Publications
Representative Publications
- Anita S. Göβner, Picardal, Flynn, Tanner, Ralph S., and Drake, Harold L. 2008. Carbon metabolism of the moderately acid-tolerant acetogen Clostridium drakei isolated from peat. FEMS Microbiology Letters (in press).
- Strapoc, D., F. W. Picardal, C. Turich, I. Schaperdoth, J. L. Macalady, J. S. Lipp, Y.-S. Lin, T. F. Ertefai, F. Schubotz, K.-U. Hinrichs, M. Mastalerz, and A. Schimmelmann. 2008. Methane-producing microbial community in a coal bed of the Illinois Basin. Applied and Environmental Microbiology 74:2424-2432.
- Adebusoye, S. A., F. W. Picardal, M. O. Ilori, and O. O. Amund. 2008. Evidence of aerobic utilization of di-ortho-substituted trichlorobiphenyls as growth substrates by Pseudomonas sp. SA-6 and Ralstonia sp. SA-4. Environmental Microbiology 10:1165-1174.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E552 Environmental Engineering
- E544 Subsurface Microbiology
- E570 Environmental Soil Science
- E431 Water Supply and Wastewater Treatment
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Polly, P. David (revised: Sep-13-2011) |
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Research Summary: As a vertebrate paleontologist, Dr. Polly combines historical data from the fossil record with the rich data of the modern world to better understand how animals have responded to changing climates and environments, both through geographic reorganization and through evolutionary adaptation. We are using ecometrics, species distribution modelling, and other tools to better understand how species and ecological communities have interacted with changing environments in the past.
Representative Publications
Representative Publications
- Polly, P.D., J.T. Eronen, M. Fred, G.P. Dietl, V. Mosbrugger, C. Scheidegger, D.C. Frank, J. Damuth, N.C. Stenseth & M. Fortelius. 2011. History matters: ecometrics and integrative climate changeÊbiology.ÊProceedings of the Royal Society B,Ê278:Ê1121-1130.Ê
- Polly, P.D. and J.T. Eronen. Ê2011. ÊMammal associations in the Pleistocene of Britain: Êimplications of ecological niche modelling and a method for reconstrucing palaeoclimate. Pp. 257-282ÊinÊN. Ashton, S. Lewis, and C. Stringer (eds.),ÊThe Ancient Human Occupation of Britain.ÊÊElsevier.
- Polly, P.D. Ê2010. Tiptoeing through the trophics: geographic variation in carnivoran locomotor ecomorphology in relation to environment. ÊPp. 374-410ÊinÊA. Goswami and A. Friscia (eds.),ÊCarnivoran Evolution: New Views on Phylogeny, Form, and Function.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G404 Geobiology
- G562 Geometric Morphometrics
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- G563 Quantitative Paleontology
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Pratt, Lisa* (revised: Jan-10-2011) |
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Research Summary: Dr. Pratt's research interests include: (1) geomicrobiology of sulfate-reducing microorganisms, (2)
biotic and abiotic fractionation of sulfur isotopes in modern and ancient oceans and lakes, (3) influence of wildfire on carbon isotopic excursions during the Cretaceous, and (4) fate of complex organic molecules on the surface of Mars.
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Pryor, S.C.* (revised: Oct-26-2010) |
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Research Summary: Atmospheric chemistry and biogeochemical cycling as well as physical climatology/climate change and variability are the primary foci of Dr. Pryor's research.
Representative Publications
Representative Publications
- Pryor S.C. and Schoof J.T. (2008): Changes in precipitation seasonality over the contiguous USA. Journal of Geophysical Research (in press).
- Pryor S.C., Gallagher M., Sievering H., Larsen S., Barthelmie R.J., Birsan F., Nemitz E., Kulmala M., Rinne J., Grönholm T., Taipale R. and Vesala T. (2008): A review of measurement and modelling tools for quantifying particle atmosphere-surface exchange. Tellus 60B 42-75.
- Pryor S.C., Schoof J.T., Barthelmie R.J. (2006): Winds of Change? Projections of near-surface winds under climate change scenarios. Geophysical Research Letters 33 L11702 10.1029/2006GL026000.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G501 Research methods
- G533 Synoptic Meteorology and Climatology
- G534 Air Pollution Meteorology
- G577 Weather analysis and forecasting
- G602 Climate change
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Raff, Jonathan (revised: Dec-09-2010) |
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Research Summary: Obtaining a molecular-level understanding of chemical reactions that occur on environmentally important surfaces found on aerosols, buildings, plants, soil, etc. and how they impact air pollution and climate.
Representative Publications
Representative Publications
- Raff, J. D., Szányi, J., Finlayson-Pitts, B. J. Thermal and Photochemical Oxidation of Self-Assembled Monolayers on Alumina Particles Exposed to Nitrogen Dioxide. Phys. Chem. Chem. Phys. 2011 [in press] DOI: 10.1039/C0CP01041C
- Raff, J. D., Njegic, B., Chang, W., Dabdub, D., Gerber, R. B., Gordon, M., Finlayson-Pitts, B. J. Chlorine Activation Indoors and Outdoors via Surface-Mediated Reactions of Nitrogen Oxides with Hydrogen Chloride. Proc. Natl. Acad. Sci. USA 2009, 106, 13647-13654. [cover] DOI: 10.1073/pnas.0904195106
- Raff, J. D., Finlayson-Pitts, B. J. Hydroxyl Radical Quantum Yields from Isopropyl Nitrite Photolysis in Air. Environ. Sci. Technol. 2010, 44, 8150-8155. DOI: 10.1021/es102218d
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E536 Environmental Chemistry
- E564 Organic Pollutants: Environmental Chemistry and Fate
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Rahman, Faiz (revised: Jan-10-2010) |
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Research Summary: Dr. Rahman's research interests include (1) large-area carbon cycles, (2) remote sensing modeling of ecosystem fluxes, and (3) geo-informatics (collection, transfer, processing, and visualization of spatial data).
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Randolph, J.C.* (revised: Sep-14-2011) |
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Professor Emeritus of Environmental Science
IU School of Public and Environmental Affairs
Professor (part-time) of Biology
IU Department of Biology
Departmental/Personal Web Page
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Research Summary: Dr. Randolph's research interests focus upon ecological aspects of global environmental change, with particular interests in forestry and agriculture; environmental consequences of energy production, distribution, and use; and applications of geographic information systems (GIS) and remote sensing in environmental and natural resources management.
Representative Publications
Representative Publications
- Wayson, C. A., D. Dragoni, J.C. Randolph, C.S.B. Grimmond, J.L. Ehman and H. P. Schmid. Biometric and eddy-covariance: integrated carbon flux analysis in a mid-latitude deciduous forest. Journal of Geophysical Research (Under review).
- Wayson, C.A., J.C. Randolph, P.J. Hanson, and H.P. Schmid. 2006. Influence of soil respiration in determining net ecosystem exchange in a mid-latitude deciduous forest. Biogeochemistry 80: 195-216.
- Randolph, J.C., Green, G.M., J. Belmont, T. Burcsu and D. Welch. 2005. Forest ecosystems and the human dimensions. Ch. 5 in Moran, E.F. and E. Ostrom (eds.) Seeing the Forest and the Trees: Human-Environment Interactions in Forest Ecosystems. MIT Press. Boston, MA. 442 pp.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- SPEA E519 Remote Sensing of the Environment
- SPEA E528 Forest Ecology
- SPEA E555 Topics in Environmental Science (examples of previous topics: Climate change impacts on fish and wildlife resources; Biofuels-opportunities and challenges; Global carbon dynamics)
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Reynolds, Heather (revised: Sep-04-2008) |
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Research Summary: The broad interests of Dr. Reynolds' research lab are in plant-environment interactions, with the goals of understanding vegetation diversity and ecosystem functioning, their responses to environmental changes such as exotic plant invasions or nitrogen deposition, and applications to ecosystem restoration and management.
Representative Publications
Representative Publications
- Glover J D, S W Culman, S Tianna DuPont, W Broussard, L Young, M E Mangan, J G Mai, T E Crews, L R DeHaan, D H Buckley, H Ferris, R Eugen Turner, H L Reynolds and D L Wyse. (in review). Harvested perennial grasslands provide ecological benchmarks for agricultural sustainability. Proceedings of the National Academy of Sciences.
- Reynolds H L, G G Mittelbach, T Darcy-Hall, G Houseman, and K L Gross. 2007. No effect of varying soil resource heterogeneity on plant species richness in a low fertility grassland. Journal of Ecology 95:723-733.
- Vogelsang K M, H L Reynolds, and J D Bever. 2006. Mycorrhizal fungal identity and richness determine the species diversity and productivity of a tallgrass prairie system. New Phytologist 172:554-562.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- L575 Biodiversity and Ecosystem Functioning
- Z620 Science and Society
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Robeson, Scott (revised: Sep-04-2008) |
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Research Summary: Dr. Robeson studies recent climatic change and variability, the impacts of climatic variability on environmental systems, and statistical methods for analyzing environmental change.
Representative Publications
Representative Publications
- Ensor, L. A. and S. M. Robeson (2008) Statistical characteristics of daily
precipitation: Comparisons of gridded and point datasets," Journal of
Applied Meteorology and Climatology, 47, 2468-2476.
- Willmott, C. J., S. M. Robeson, and K. Matsuura (2007) "Geographic box
plots," Physical Geography, 28, 331-344.
- Robeson, S. M. (2005) "Statistical climatology," pp. 687-694 in J. E. Oliver
(ed.) Encyclopedia of World Climatology. Springer, New York.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G577 Topics in Atmospheric Science
- G588 Applied Spatial Statistics
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Roy Chowdhury, Rinku (revised: Sep-04-2008) |
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Research Summary: Human dimensions of global environmental change, cultural and political ecology, remote sensing, GIS; Southern Yucatan peninsular region ( Mexico) and Latin America, land cover/land use change, social and ecological system vulnerability, modeling.
Representative Publications
Representative Publications
- Roy Chowdhury, R. 2007. Household Land Management and Biodiversity: Secondary Succession in a Forest-Agriculture Mosaic in Southern Mexico. Ecology and Society 12 (2): 31.
- Roy Chowdhury, R. 2006. Landscape change in the Calakmul Biosphere Reserve, Mexico: Modeling the driving forces of smallholder deforestation in land parcels. Applied Geography 26(2): 129-152.
- Roy Chowdhury, R. and B. L. Turner II. 2006. Reconciling agency and structure in empirical analysis: Smallholder land use in the southern Yucatán, Mexico. Annals of the Association of American Geographers 96(2): 302-322.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G538 Introduction to Geographic Information Systems (Fall2008)
- G539: Advanced Geographic Information Systems (Spring 2009)
Graduate Seminar: Human Dimensions of Global Environmental Change
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Royer, Todd* (revised: Sep-14-2011) |
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Research Summary: Dr. Royer is an aquatic ecologist with broad interests in water resources and watershed processes. His research focuses on biogeochemistry and water quality in streams and rivers, particularly in the agricultural landscape of the Midwestern U.S.
Representative Publications
Representative Publications
- Royer, T.V., M.B. David, L.E. Gentry, C.A. Mitchell, K.M. Starks, T. Heatherly, and M.R. Whiles. 2008. Assessment of chlorophyll-a as a criterion for establishing nutrient standards in the streams and rivers of Illinois. Journal of Environmental Quality 37:437-447.
- Royer, T.V., M.B. David, and L.E. Gentry. 2006. Timing of riverine export of nitrate and phosphorus from agricultural watersheds in Illinois: implications for reducing nutrient loading to the Mississippi River. Environmental Science & Technology 40:4126-4131.
- Royer, T.V. and M.B. David. 2005. Export of dissolved organic carbon from agricultural streams in Illinois, USA. Aquatic Sciences 67:465-471.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
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Sauer, Peter (revised: Dec-05-2008) |
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Research Summary: Dr. Sauer explores the use of stable isotopes of C, H, O and N for studies of climate and paleoclimate, land use change, and transformation of organic matter in geologic environments. He is particularly interested in development of new analytical techniques for stable isotope analysis.
Representative Publications
Representative Publications
- Sauer, P. E., A. Schimmelmann, A. L. Sessions, and K. Topalov, in review: Simplified batch equilibration for D/H determination of non-exchangeable hydrogen in solid organic material. Rapid Communications in Mass Spectrometry.
- Henning, M., D. Strapoc, G. P. Lis, P. Sauer, J. Fong, A. Schimmelmann, and L. M. Pratt, 2007: Versatile inlet system for on-line compound-specific dD and d13C gas chromatography-oxidation/reduction-isotope ratio mass spectrometry analysis of gaseous mixtures. Rapid Communications in Mass Spectrometery, 21, 2269-2272.
- Schimmelmann, A., M. Mastalerz, L. Gao, P. E. Sauer, and K. Topalov, in review: Dike intrusions into bituminous coal, Illinois Basin: H, C, N, O isotopic responses to intermittent heating. Geochimica Et Cosmochimica Acta.
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Schimmelmann, Arndt (revised: Dec-05-2008) |
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Research Summary: Dr. Schimmelmann is studying how stable isotopes in fossil fuels (e.g., oil and coal) reveal how heat and time change the chemical composition of sedimentary organic matter. His research also involves the paleoclimatology of laminated sediments from the Santa Barbara Basin off California.
Representative Publications
Representative Publications
- Schimmelmann, A., A.L. Sessions, and M. Mastalerz (2006) Hydrogen isotopic (D/H) composition of organic matter during diagenesis and thermal maturation. Annual Review of Earth and Planetary Sciences 34, 501-533.
- Schimmelmann, A., C.B. Lange, E.B. Roark, and B.L. Ingram (2006) Resources for paleoceanographic and paleoclimatic analysis: A 6,700-year stratigraphy and regional reservoir-age (ΔR) record based on varve counting and 14C-AMS dating for the Santa Barbara Basin, offshore California, USA. Journal of Sedimentary Research 76, 74-80.
- Schimmelmann, A., C.B. Lange, and B.L. Meggers (2003) Palaeoclimatic and archaeological evidence for a ~200-yr recurrence of floods and droughts linking California, Mesoamerica and South America over the past 2000 years. The Holocene 13 (5), 763-778.
For a complete listing of Dr. Schimmelmann's publications, visit mypage.iu.edu/~aschimme/reppub.html.
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Schuette, Ursel (revised: Sep-14-2010) |
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Postdoc
IU School of Public and Environmental Affairs
IU Department of Biology
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Research Summary: Dr. Schuette's research interests are in microbial ecology of terrestrial ecosystems–in particular, how environmental changes affect microbial community structure and function in the arctic.
Representative Publications
Representative Publications
- Schütte, U.M.E., Abdo, Z., Foster, J., Ravel, J., Bunge, J., Solheim, B., Forney, L.J (2010). Bacterial diversity in a High Arctic glacial foreland. Molc Ecol, 19: 54-66.
- Schütte, U.M.E., Abdo, Z., Bent, S.J., Willians, C., Schneider, M., Solheim, B., Forney, L.J (2009). Bacterial succession in a High Arctic glacial foreland. ISME, 3: 1258-1268.
- Abdo, Z., Schütte, U.M.E., Bent, S., Williams, Ch., Forney, L.J., Joyce, P. (2005). Statistical Methods for Characterizing Diversity of Microbial Communties by Analysis of Terminal Restriction Fragment Length Polymorphisms of 16S rRNA genes. Environ Microbiol, 8: 929-938.
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Schultz, Peggy (revised: Jun-27-2011) |
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Scientist
IU Department of Biology
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Research Summary: Dr. Schultz explores the use of soil organisms to facilitate the
restoration of native plant communities. Much of her work focuses on
the tallgrass prairie ecosystem. Specifically, she is studying a group of
soil organisms, arbuscular mycorrhizal fungi (AMF), that associate
with the roots of most terrestrial plants. These fungi transport soil
nutrients to host plants through a network of hypha and, in exchange,
receive carbon from the associated plant. She is interested in how the
composition and diversity of AMF affect associated plants' survival,
growth, and competitiveness.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- L350 Environmental Biology
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Shaw, Joe (revised: Sep-14-2011) |
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Research Summary: Dr. Shaw is interested in environmental toxicology, environmental genomics, and comparative physiology. His lab's research projects are driven by a desire to discover critical, specific, and causative molecular toxicological and disease pathways resulting from complex environmental exposures.
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Stevens, Phil* (revised: Sep-14-2011) |
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Research Summary: Professor Stevens research focuses on characterizing the chemical mechanisms in the atmosphere that influence regional air quality and global climate change.
Representative Publications
Representative Publications
- S. Dusanter, D. Vimal, P. S. Stevens, R. Volkamer and L. T. Molina. Measurements of OH and HO2 Concentrations During the MCMA-2006 Field Campaign: Part 1 - Deployment of the Indiana University Laser-Induced Fluorescence Instrument. Atmospheric Chemistry and Physics Discussions, 8, 13689-13739, 2008.
- M. Baasandorj and P. S. Stevens. Experimental and theoretical studies of the kinetics of the reactions of OH and OD with 2-methyl-3-buten-2-ol between 300 and 415 K at low pressure. Journal of Physical Chemistry A, 111, 640-649, 2007.
- W. Lee, M. Baasandorj, P. S. Stevens, and R. A. Hites. Monitoring the OH-Initiated Oxidation Kinetics of Isoprene and its Products Using On-Line Mass Spectrometry. Environmental Science and Technology, 39, 1030-1036, 2005.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- SPEA E515 Fundamentals of Air Pollution
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Tucker, Catherine M.* (revised: Aug-26-2011) |
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Research Summary: Dr. Tucker studies complex social-ecological systems, and takes an interdisciplinary approach to explore political ecological dimensions of environmental change, institutional arrangements for natural resource management, and forest cover change. Her work seeks to understand how human-environment relationships evolve, and the possibilities of building sustainable social-ecological systems in contexts of globalization and development processes, climate change, political economic transformations, and culture change.
Representative Publications
Representative Publications
- Tucker, C. M., J. C. Randolph, T. Evans, K. P. Andersson, L. Persha, and G. M. Green. 2008. An approach to assess relative degradation in dissimilar forests: toward a comparative assessment of institutional outcomes. Ecology and Society 13(1): 4.
- Tucker, C. M., J. C. Randolph, and E. Castellanos. 2007. Institutions, Biophysical Factors and History: An Integrative Analysis of Private and Common Property Forests in Guatemala and Honduras. Human Ecology 35(3):259-274.
- Tucker, C. M., D. K. Munroe, H. Nagendra, and J. Southworth. 2005. Comparative Spatial Analyses of Forest Conservation and Change in Honduras and Guatemala. Conservation and Society 3(1):174-200.
- Tucker, C. M. 1999. Private Versus Common Property Forests: Forest Conditions and Tenure in a Honduran Community. Human Ecology 27(2):201-230.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- E644: People and Protected Areas
- E527: Environmental Anthropology [2011]
- E622: Empirical Theories and Methods: International Forestry Resources and Institutions
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Wasylenki, Laura (revised: Jan-26-2011) |
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Research Summary: Dr. Wasylenki is a biogeochemist investigating metal chemistry in the earth's lithosphere, hydrosphere, and biosphere. Specifically, she examines stable isotope fractionation of transition and post-transition metals in order to develop new tools for tracing chemical reactions that involve metals.
Representative Publications
Representative Publications
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G690 Non-traditional stable isotope geochemistry
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Watson, Maxine (revised: Sep-14-2011) |
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Research Summary: Dr. Watson's lab is interested in the interaction between plant development and physiology in shaping plants' responses to the environment. A second line of research has examined mycorrhiza formation within clonal systems. A new project involves the study of the differential fate of carbon obtained either via photosynthesis or carnivory in a number of carnivorous plants. A third, seemingly unrelated theme of research in the lab concerns the determinants of species' range limits.
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White, Jeffrey* (revised: Dec-22-2011) |
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Research Summary: Dr. White's research group is interested in biogeochemical cycling of greenhouse gases, nitrogen and organic matter in aquatic and terrestrial ecosystems. Current research projects include: methane cycling at the edge of the Greenland ice sheet, environmental genomics of mycorrhizal fungi in melting permafrost of the Arctic, environmental genomics of wetland bioreactors treating acid mine drainage, measuring biogenic nitrous acid production in soils using Fluorescence In-Situ Hybridization (FISH) and Cavity Enhanced Absorption Spectroscopy (CEAS).
Representative Publications
Representative Publications
- Tang, J., Zhuang, Q., Shannon R.D. and White, J.R. "Quantifying Wetland Methane Emissions with Process-Based Models of Different Complexities," Biogeosciences, Vol. 7, 2010, pp. 3817-3837.
- White, J.R., Shannon, R.D., Weltzin, J.F., Pastor, J., and Bridgham, S.D. "Effects of Soil Warming and Drying on Methane Cycling in a Northern Peatland Mesocosm Study," J. Geophysical Research, Vol. 113, 2008, G00A06, doi:10.1029/2007JG000609.
- Herrman, K.S. and White, J.R. "Denitrification in a Constructed Wetland: Comparison of Mass Balance and Stable Isotopic Methods," Applied Geochemistry, 2008, doi:10.1016/ j.apgeochem.2008.04.024, 2008.
- Keller, J.K., White, J.R., Bridgham, S.D., and Pastor, J. "Climate Change Effects on Carbon and Nitrogen Mineralization in Peatlands through Changes in Soil Quality." Global Change Biology, Vol. 10, 2004, pp. 1053-1064.
- Avery, B., Shannon, R.D., White, J.R., Martens, C.S., and Alperin, M.J. "Controls on Methane Production in a Tidal Freshwater Estuary and a Peatland: Methane Production via Acetate Fermentation and CO2 Reduction," Biogeochemistry, Vol. 62, 2002, pp. 19-37.
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Wilk, Richard (revised: Mar-18-2009) |
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Research Summary: Professor Wilk's research focuses on consumer culture, energy, food, and globalization. Most recently, he has studied the historical spread and environmental impact of extractive industries.
Representative Publications
Representative Publications
- 2009 "Consuming Ourselves to Death." In Anthropology and Climate Change: From Encounters to Actions, edited by Susan Crate. Duke University Press.
- 2007 "The Extractive Economy: An Early Phase of the Globalization of Diet, and its Environmental Consequences." In Rethinking Environmental History: World System History and Global Environmental Change, edited by Alf Hornborg, John McNeil and Joan Martinez-Alier, Lanham: Altamira Press. Pp. 179-198.
- 2006 "But the Young Men Don't Want to Farm Any More: Political Ecology and Consumer Culture in Belize." In Reimagining Political Ecology, edited by Aletta Biersack and Peter Brosius, Durham: Duke University Press. Pp. 149-170.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- Anthro E621 Food and Culture
- Anthro E610 Global Consumer Culture
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Zhu, Chen* (revised: Aug-26-2011) |
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Research Summary: Dr. Zhu studies water-rock interactions. As water flows through rocks, it reacts with subsurface minerals, organic materials, and micro-organisms. Through these reactions, groundwater acquires chemical constituents and isotopic signatures. These chemical reactions are a key component of the interactions between the Earth's hydrosphere, lithosphere, biosphere, and atmosphere.
Representative Publications
Representative Publications
- Zhu C. and Anderson G. M. (2002) Environmental Applications of Geochemical Modeling, Cambridge University Press, London, hardback ISBN 0-521-80907-X; paperback 0-521-00577-9, 304 pp.
- Zhu, C. Veblen, D.R., Blum, A.E, Chipera, S. Naturally weathered feldspar surfaces in the Navajo Sandstone aquifer, Black Mesa, Arizona: Electron microscopic characterization. Geochimica et Cosmochimica Acta v. 70, no.18, 4600-4616, 2006 doi:10.1016/j.gca.2006.07.013.
- Hereford, A. G., Keating, E., Guthrie, G., Zhu, C, Reactions and reaction rates in the regional aquifer beneath Pajarito Plateau, north-central New Mexico. Environmental Geology. v. 52, No. 5, p.965-977, DOI: 10.1007/s00254-006-0539-z.
Pertinent Graduate Courses Taught
Pertinent Graduate Courses Taught
- G586 Geochemical Modeling
This course introduces students to both batch type geochemical models and mass transport processes in environmental and geological systems. Students have the opportunity to acquire hands-on experience with popular geochemical codes such as minteqa2, phreeqc, and eq3/6. The book for this course is Environmental Applications of Geochemical Modeling, authored by Chen Zhu and Greg Anderson and published by Cambridge University Press.
- G451 Principles of Hydrogeology
This is an advanced undergraduate and introductory graduate level course. The course introduces the principles and practices of physical and chemical hydrogeology. The course is offered every spring.
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* CRES Executive Committee member
** Director of CRES
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