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S. Taylor Jarnagin, Ph.D.

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Ecologist
EPA Landscape Ecology Branch, Environmental Sciences Division,
USEPA/ORD National Exposure Research Laboratory, Mail Drop E243-05
109 T.W. Alexander Drive, Research Triangle Park, NC 27711
E-mail: jarnagin.taylor@epa.gov
Phone: 919-541-1987, Fax: 919-541-4329

Education:

  • Ph.D., 8/98, Michigan Technological University: Biological Sciences, Aquatic Ecology

  • M.S., 5/94, Bemidji State University: Environmental Studies, Waste Bioconversion

  • B.S., 5/76, University of North Dakota: Psychology (major) Biology (minor)

Research Interests:

  • The use of GIS and remote sensing technologies to characterize and examine aquatic ecosystems, the use of remote sensing to track global climate change, aquatic ecology, the impact of exotic species on food web dynamics and the bioconversion of waste materials and integrated waste management.

Current Projects:

Publications and Published Abstracts:

Jarnagin, S. T. 2010. Using Repeated LiDAR to Characterize Topographic Change in Riparian Areas and Stream Channel Morphology in Areas Undergoing Urban Development: An Accuracy Assessment Guide for Local Watershed Managers (PDF) (172pp, 13.6MB). United States Environmental Protection Agency, Office of Research and Development, Environmental Sciences Division, Landscape Ecology Branch (ESD/LEB), Research Triangle Park NC, October 2010, EPA/600/R-10/120.

Jarnagin, S. T. 2008. Historical Analysis of the Relationship of Streamflow Flashiness with Population Density, Imperviousness, and Percent Urban Land Cover in the Mid-Atlantic Region Proceedings, 408.pdf, Impervious Surfaces I: Data and Remote Sensing, World Environmental And Water Resources Congress 2008 Ahupua‘a, May 12-16, 2008, Honolulu, Hawaii. Environmental and Water Resources Institute (EWRI) of the American Society of Civil Engineers.

Jarnagin, S. T. 2007. Historical analysis of the relationship of streamflow flashiness with population density, imperviousness, and percent urban land cover in the Mid-Atlantic region (PDF) (103pp, 5.7MB) Internal Report APM 408. United States Environmental Protection Agency, Office of Research and Development, Environmental Photographic Interpretation Center (EPIC), Reston VA, September 2007, EPA/600/X-07/021, 100p.

Jarnagin, S. T. 2006. An Overview of the Stressors and Ecological Impacts Associated with Regional and Global Patterns of Population, Land Use, and Land Cover Change. pp. 189-200. In: Acevedo, W., J. L. Taylor, D. J. Hester, C. S. Mladinich, and S. Glavac (Editors). Rates, Trends, Causes, and Consequences of Urban Land-Use Change in the United States. 2006. USGS Professional Paper 1726. U.S. Geological Survey, Reston VA, 200 pp.

Jennings, D. B. and S. T. Jarnagin. 2006. Changes in anthropogenic impervious surfaces, precipitation and daily streamflow discharge: a historical perspective in a mid-Atlantic subwatershed. (Reprint of 2002 Landscape Ecology paper) pp. 171-184. In: Acevedo, W., J. L. Taylor, D. J. Hester, C. S. Mladinich, and S. Glavac (Editors). Rates, Trends, Causes, and Consequences of Urban Land-Use Change in the United States. 2006. USGS Professional Paper 1726. U.S. Geological Survey, Reston VA, 200 pp.

Tran, L. T., J. Wickham, S. T. Jarnagin, and C. G. Knight. 2005. Mapping Spatial Thematic Accuracy with Fuzzy Sets. Photogrammetric Engineering & Remote Sensing 71(1): 29-36.

Jarnagin, S. T. 2004. Regional and Global Patterns of Population, Land Use, and Land Cover Change: An Overview of Stressors and Impacts. GIScience & Remote Sensing 41(3): 207-227.

Jennings, D. B., S. T. Jarnagin, and D. W. Ebert. 2004. A modeling approach for estimating watershed impervious surface area from National Land Cover Data 92. Photogrammetric Engineering & Remote Sensing 70(11): 1295–1307.

Jarnagin, S. T., D. B. Jennings, and D. W. Ebert. 2004. A Technique for Assessing the Accuracy of Sub-Pixel Estimates Extracted from Landsat TM Imagery. pp. 269-280 In: Lunetta, R. S., and J. G. Lyon (Editors). Remote Sensing and GIS Accuracy Assessment. CRC Press, Boca Raton, FL (320 p.).

Tran, L. T., S. Taylor Jarnagin, C. G. Knight, and L. Baskaran. 2004. Mapping Spatial Accuracy and Estimating Landscape Indicators from Thematic Land Cover Maps Using Fuzzy Set Theory. pp. 173-188 In: Lunetta, R. S., and J. G. Lyon (Editors). Remote Sensing and GIS Accuracy Assessment. CRC Press, Boca Raton, FL (320 p.).

Jarnagin, S. T., W. C. Kerfoot, and B. K. Swan. 2004. Zooplankton life cycles: Direct documentation of pelagic births and deaths relative to diapausing egg production. Limnology and Oceanography 49(4/2): 1317-1332.

Jennings, D. B. and S. T. Jarnagin. 2002. Changes in anthropogenic impervious surfaces, precipitation and daily streamflow discharge: a historical perspective in a mid-Atlantic subwatershed. Landscape Ecology 17(5): 471-489.

Jarnagin, S. T., and B. K. Swan. 2001. Interactions between Bythotrephes cederstroemi and Leptodora kindtii. In: Limnology and Oceanography: Making Connections in the 21st Century, p. 74. American Society of Limnology and Oceanography, Waco TX.

Jennings, D. B. and S. T. Jarnagin. 2001. Impervious Surfaces and Streamflow Discharge: A Historical Remote Sensing Perspective in a Northern Virginia Subwatershed. In: Pattern, Process, & Hierarchy: Interactions in Human-Dominated and Natural Landscapes, p. 147. United States Regional Association of the International Association of Landscape Ecology, Corvallis OR.

Kerfoot, W. C., A. S. McNaught and S. T. Jarnagin. 2000. Invertebrate predators and fish: biogeographic patterns and fish dispersal of resting eggs. Verhandlungen der Internationale Vereinigung für Theoretische und Angewandte Limnologie 27: 1841-1850.

Jarnagin, S.T. and E. T. Slonecker. 2000. A research plan for the use of thermal AVHRR imagery to study annual and seasonal mean surface temperatures for large lakes in North America. EPA/600/R-00/012. Washington DC: U.S. Environmental Protection Agency, Office of Research and Development, National Research Laboratory. 40 p.

Jennings, D. B. and S. T. Jarnagin. 2000. Impervious Surfaces and Streamflow Discharge: A Historical Remote Sensing Perspective in a Northern Virginia Subwatershed. 221 pdf, ASPRS 2000 Proceedings, ASPRS, Bethesda, MD.

Jarnagin, S. T., B. K. Swan, and W. C. Kerfoot. 2000. Fish as vectors in the dispersal of Bythotrephes cederstroemi: diapausing eggs survive passage through the gut. Freshwater Biology 43(4): 579-590.

Jarnagin, S. T., B. K. Swan, and W. C. Kerfoot. 1999. Testing the Egg Ratio: Pelagic Sedimentary Records of Secondary Production of Bythotrephes cederstroemi in an Inland Lake.” In: Limnology and Oceanography: Navigating into the Next Century, p. 93. American Society of Limnology and Oceanography, Waco TX.

Jarnagin, S. T. 1998. Direct and Indirect Estimates of Death Rates and Predator-Mediated Dispersal of Bythotrephes cederstroemi. Doctoral Dissertation, Michigan Technological University, Houghton MI.

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