Peer-reviewed Publications

Schimel, D., W.W. Hargrove, F.M. Hoffman, and J. MacMahon. 2007. NEON: A Hierarchically Designed National Ecological Network. Frontiers in Ecology and the Environment 5(2):59.

Nightingale, J.M, N.C.Coops, R.H. Waring, and W.W. Hargrove. 2007. Comparison of MODIS gross primary production estimates for forests across the USA with those generated by a simple process model, 3-PGS. Remote Sensing of Environment 109:500-509.

Sundareshwar, P.V, R. Murtugudde, G. Srinivasan, S. Singh, K.J. Ramesh, D. Agarwal, D. Baldocchi, C.K. Baru, K.K. Baruah, G.R. Chowdhury, V.K. Dadhwal, C.B.S. Dutt, J. Fuentes, P.K. Gupta, W.W. Hargrove, M. Howard, C.S. Jha, S. Lal, W.K. Michener, A.P. Mitra, J.T. Morris, R.R. Myneni, M. Naja, R. Nemani, S. Raha, R. Ramesh, S.K. Santhana Vanan, M. Sharma, A. Subramaniam, R. Sukumar, R.R. Twilley, S.B. Verma, P.R. Zimmerman 2007. Environmental monitoring network for India. Science (Policy Forum) 316:204-205.

Pittman, J.V., E.M. Weinstock, R.J. Oglesby, D.S. Sayres, J.B. Smith, J.G. Anderson, O.R. Cooper, S.C. Wofsy, I. Xueref, C. Gerbig, B.C. Daube, E.C. Richard, B.A. Ridley, A.J. Weinheimer, M.Lowenstein, H-J. Jost, J.P. Lopez, M.J. Mahoney, T.L. Thompson, W.W. Hargrove, and F.M. Hoffman. 2007. Transport in the subtropical lowermost stratosphere during the Cirrus Regional Study of Tropical Anvils and Cirrus Layers – Florida Area Cirrus Experiment. Journal of Geophysical Research - Atmospheres 112, D08304, DOI:10.1029/2006JD007851.

Efroymson, R.A., M.J. Peterson, C.J. Welsh, D.L. Druckenbrod, M.G. Ryon, J.G. Smith, W.W. Hargrove, N.R. Giffen, W.K. Roy, and H.D. Quarles 2007. Investigating Habitat Value in Support of Contaminant Remediation Decisions: Approach. Journal of Environmental Management (in press).

Efroymson, R.A., M.J. Peterson, N.R. Giffen, M.G. Ryon, J.G. Smith, W.W. Hargrove, W.K. Roy, C.J. Welsh, D.L. Druckenbrod, and H.D. Quarles. 2007. Investigating Habitat Value in Support of Contaminant Remediation Decisions: Case Study. Journal of Environmental Management (in press).

Williams, C.L., W.W. Hargrove, M. Liebman, and D.E. James. 2008. Agro-ecoregionalization of Iowa using Multivariate Geographical Clustering. Agriculture, Ecosystems, & Environment 123:161-171.

Jones, D.S., R.A. Efroymson, W.W. Hargrove, G.W. Suter II, and L.L. Pater. 2007. The Apache Longbow-Hellfire Missile Test at Yuma Proving Ground: Ecological Risk Assessment for Missile Firing. Human and Ecological Risk Assessment (in press).

Efroymson, R.A., W.W. Hargrove, and G.W. Suter II. 2007. The Apache Longbow-Hellfire Missile Test at Yuma Proving Ground: Ecological Risk Assessment for Helicopter Overflight. Human and Ecological Risk Assessment (in press).

Fitzpatrick, M.C., and W.W. Hargrove. 2007. Species Distribution Model Projections and the Problem of Non-Analog Climate. Ecography (submitted).

Efroymson, R.A., H.I. Jager, and W.W. Hargrove. 2007. Valuing Wildlands. Book chapter (in preparation).

Philpott, A.W., A.S. Denning, I. Baker, K. Corbin, N.P. Hanan, W.W. Hargrove, J.A. Berry, and K. Schaefer. 2006. Simulated Surface Energy Budget at the Site Level in the Southern Great Plains using the Simple Biosphere Model, Version 3 (SiB3). Journal of Hydrometeorology (in preparation).

Hargrove, W.W. and F.M. Hoffman. 2005. Minimum Required Migration Distances: A new tool for estimating climate change impacts. Journal of Geophysical Research - Biogeosciences (in preparation).

Hargrove, W.W., F.M. Hoffman, and P.F. Hessburg. 2005. Mapcurves: A generalized algorithm for quantitative comparison of categorical maps. Journal of Geographical Systems 8(2):187-208. DOI 10.1007/s10109-006-0025-x

Efroymson, R. A., M. J. Peterson, N. R. Giffen, M. G. Ryon, J. G. Smith, W. K. Roy, C. J. Welsh, D. L. Druckenbrod, W. W. Hargrove, and H. D. Quarles. 2005. Investigating Habitat Value in Support of Remedial Decisions: A Case Study of Six Sites at the East Tennessee Technology Park. Technical Report BJC/OR-2268. Bechtel Jacobs Company, Oak Ridge, TN.

Hargrove, W.W., F.M. Hoffman, and R.A. Efroymson. 2005. A practical map-analysis tool for detecting potential dispersal corridors. Landscape Ecology 20(4):361-373.

White, M.A., F.M. Hoffman, W.W. Hargrove, and R.R. Nemani. 2005. A global framework for monitoring phenological responses to climate change. Geophysical Research Letters 32(4):L04705, doi:1029/2004GL021961.

Saxon, E., B. Baker, W.W. Hargrove, F.M. Hoffman, and C. Zganjar. 2005. Mapping environments at risk under different global climate change scenarios. Ecology Letters 8:53-60.

Hoffman, F.M., W.W. Hargrove, D.J. Erickson, III, and R. Oglesby. 2005. Using clustered climate regimes to analyze and compare predictions from fully coupled general circulation models. Earth Interactions 9:1-27.

Efroymson, R.A, T.M. Carlsen, H.I. Jager, T. Kostova, E.A. Carr, W.W. Hargrove, J. Kercher, and T.L. Ashwood. 2004. Toward a framework for assessing risk to vertebrate populations from brine and petroleum spills at exploration and production sites. Pp. 261-285 in: Landscape Ecology and Wildlife Habitat Evaluation: Critical Information for Ecological Risk Assessment, Land-Use Management Activities, and Biodiversity Enhancement Practices, ASTM STP 1458, L. Kapustka, H. Galbraith, M. Luxon, and G.R. Biddinger (eds.), American Society for Testing and Materials, West Conshohocken, PA.

Hargrove, W.W., and F.M. Hoffman. 2004. The potential of multivariate quantitative methods for delineation and visualization of ecoregions. Environmental Management 34(5):S39-S60.

Martinez-Meyer, E., A. Townsend Peterson, and W.W. Hargrove. 2004. Ecological niches as stable distributional constraints on mammal species, with implications for Pleistocene extinctions and climate change projections for biodiversity. Global Ecology and Biogeography 13:305-314.

Peterson, A.T., R. Scachetti-Pereira, and W.W. Hargrove. 2004. Potential distribution of Anoplophora glabripennis (Coleoptera: Cerambycidae) in North America. American Midland Naturalist 151(1):170-178.

Hargrove, W.W., F.M. Hoffman, and B.E. Law. 2003. New Analysis Reveals Representativeness of the AmeriFlux Network. Eos 84(48):529-535.

Hargrove, W.W., and F.M. Hoffman. 2003. An analytical assessment tool for predicting changes in a species distribution map following changes in environmental conditions. Proceedings, GIS/EM4 Conference, Banff, Alberta, Canada, Sept. 2-8, 2000. CD-ROM, ISBN: 0-9743307-0-1.

Hargrove, W.W., F.M. Hoffman, and P.M. Schwartz. 2002. A Fractal Landscape Realizer for generating synthetic maps. Conservation Ecology 6(1): 2. [online]: http://www.consecol.org/vol6/iss1/art2

Huff, D.D., W.W. Hargrove, R.L. Graham, N.T. Nikolov, and M. Lynn Tharp. 2002. A GIS/simulation framework for assessing change in water yield over large spatial scales. Environmental Management 29(2):164-181.

Luxmoore, R.L., W.W. Hargrove, M. Lynn Tharp, W. Mac Post, M.W. Berry, K.S. Minser, W.P. Cropper, Jr., D.W. Johnson, B. Zeide, R.L. Amateis, H.E. Burkhart, V.C. Baldwin, Jr., and K.D. Peterson. 2002. Addressing multi-use issues in sustainable forest management with signal-transfer modeling. Forest Ecology and Management 165:295-304.

Chen, L., M.W. Berry, and W.W. Hargrove. 2001. Using dendronal signatures for feature extraction and retrieval. International Journal of Imaging Systems and Technology 11(4):243-253.

Clark, M.E., K.A. Rose, D.A. Levine, and W.W. Hargrove. 2001. Predicting climate change effects on Appalachian trout: combining GIS and individual-based modeling. Ecological Applications 11(1):161-178.

Hargrove, W.W., F.M. Hoffman, and T.L. Sterling. 2001. The do-it-yourself supercomputer. Scientific American 256(2):72-79.

Hargrove, W.W., R.H. Gardner, M.G. Turner, W.H. Romme, and D.G. Despain. 2000. Simulating fire patterns in heterogeneous landscapes. Ecological Modelling 135(2-3):243-263.

Huff, D.D., W.W. Hargrove, M.L. Tharp, and R.L. Graham. 2000. Managing forests for water yield: the importance of scale. Journal of Forestry 98(12):15-19.

Jager, H.I., W.W. Hargrove, C.C. Brandt, A.W. King, R.J. Olson, J.M.O. Scurlock, and K.A. Rose. 2000. Constructive contrasts between modeled and measured climate responses over a regional scale. Ecosystems 3(4):396-411.

Gwo, J.P., F.M. Hoffman, and W.W. Hargrove. 2000. Mechanistic-based genetic algorithm search on a Beowulf cluster of Linux PCs. Proceedings of the High-Performance Computing 2000 (HPC 2000) Conference, Washington, DC. http://www.pdv.cs.tu-berlin.de/HPC/hpc2000.html.

Luxmoore, R.J., W.W. Hargrove, M.L. Tharp, W.M. Post, M.W. Berry, K.S. Minser, W.P. Cropper, D.W. Johnson, B. Zeide, R.L. Amateis, H.E. Burkhart, V.C. Baldwin, Jr., and K.D. Peterson. 2000. Signal-transfer modeling for regional assessment of forest responses to environmental changes in the southeastern United States. Environmental Modeling and Assessment 5(2):125-137.

Mahinthakumar, G., F.M. Hoffman, W.W. Hargrove, and N.T. Karonis. 2000. Multivariate Geographic Clustering in a metacomputing environment using Globus. Proceedings of the ACM/IEEE Supercomputing '99 (SC99) Conference, Nov. 13-15, Portland, OR. http://climate.ornl.gov/~forrest/sc99/

Mann, L.K., A.W. King, R.A. Washington-Allen, W.W. Hargrove, V.H. Dale, T.L. Ashwood, and L.R. Pounds. 2000. The role of soil classification in GIS modeling of habitat pattern: threatened calcareous ecosystems. Ecosystems 2(6):524-538.

Stoms, D.M., and W.W. Hargrove. 2000. Modeling potential NDVI to monitor environmental stress. International Journal of Remote Sensing 21(2):401-407.

Hargrove, W.W., and F.M. Hoffman. 1999. Using multivariate clustering to characterize ecoregion borders. Computers in Science and Engineering 1(4):18-25. Invited. Special Issue on Scientific Visualization of Massive Data Sets

Zartman, R., R.J. Luxmoore, and W.W. Hargrove. 1999. Climate. pp. 14-19 In: H. Don Scott (ed.), Water and Chemical Transport in Soils of the Southeastern United States. Special Report 197, Arkansas Agricultural Experiment Station, University of Arkansas, Fayetteville, Arkansas. 388 pgs.

Turner, M.G., W.H. Romme, R.H. Gardner, and W.W. Hargrove. 1997. Effects of fire size and pattern on early succession in Yellowstone National Park. Ecological Monographs 67(4):411-433.

Tyler, J.A., and W.W. Hargrove 1997. Predicting spatial distribution of foragers over large resource landscapes: a modeling analysis of the Ideal Free Distribution. Oikos 79(2):376-386.

Romme, W.H., M.G. Turner, R.H. Gardner, W.W. Hargrove, G.A. Tuskan, D.G. Despain, and R. Renkin. 1997. A rare episode of sexual reproduction in Aspen (Populus tremuloides Michx.) following the 1988 Yellowstone fires. Natural Areas Journal 17(1):17-25.

Gardner, R.H., W.W. Hargrove, M.G. Turner, and W.H. Romme. 1996. Climate change, disturbances, and landscape dynamics. Pages 149-172 In: B. Walker and W. Steffen (eds.). Global Change and Terrestrial Ecosystems. International Geosphere-Biosphere Programme Book Series - Book # 2. Cambridge University Press, Cambridge, Great Britain. 619 pgs.

Plotnick, R.E., R.H. Gardner, W.W. Hargrove, K. Prestegaard, and M. Perlmutter. 1996. Lacunarity analysis: A general technique for the analysis of spatial patterns. Physical Review E 53(5):5461-5468.

Tinker, D.B., W.H. Romme, W.W. Hargrove, R.H. Gardner, and M.G. Turner. 1994. Landscape-scale heterogeneity in lodgepole pine serotiny. Canadian Journal of Forest Research 24:897-903.

Turner, M.G, W.W. Hargrove, R.H. Gardner, and W.H. Romme. 1994. Effects of fire on landscape heterogeneity in Yellowstone National Park, Wyoming. Journal of Vegetation Science 5:731-742.

Hargrove, W.W., and J. Pickering. 1992. Pseudoreplication: a sine qua non for regional ecology. Landscape Ecology 6(4):251-258.

Pickering, J., W.W. Hargrove, J.D. Dutcher, and HC Ellis. 1989. RAIN - a novel approach to computer-aided decision making in agriculture and forestry. Computers and Electronics in Agriculture 4(4):275-285.

Hargrove, W.W. 1988. A photographic technique for tracking herbivory on individual leaves through time. Ecological Entomology 13:359-363.

Hargrove, W.W., and D.A. Crossley, Jr. 1988. Video digitizer for the rapid measurement of leaf area lost to herbivorous insects. Annals of the Entomological Society of America 81(4):593-598.

Hargrove, W.W., and J.R. O'Hop. 1988. A computer algorithm to estimate leaf area removal (LAR) by insects. Laboratory Microcomputer 7(1):36-40. Errata: 7(2):76.

Crossley, D.A., Jr., C.S. Gist, W.W. Hargrove, L.S. Risley, T.D. Schowalter, and T.R. Seastedt. 1987. Foliage Consumption and Nutrient Dynamics in Canopy Insects. Chapter 14, pp. 193-205 In: W.T. Swank and D.A. Crossley, Jr. (eds.), Forest Hydrology and Ecology at Coweeta. Proc. symp. in Athens, Ga., Oct. 15-17, 1984. Springer-Verlag Ecological Studies Series, Vol. 66, New York. 469 pgs.

Schowalter, T.D., D.A. Crossley, Jr., and W.W. Hargrove. 1986. Herbivory in Forested Ecosystems. Annual Review of Entomology 31:177-196.

Hargrove, W.W., D.A. Crossley, Jr., and T.R. Seastedt. 1985. Shifts in insect herbivory in the canopy of black locust, Robinia pseudoacacia L., following fertilization. Oikos 43(3):322-328.

Seastedt, T.R., D.A. Crossley, Jr., and W.W. Hargrove. 1983. The effects of low-level consumption by canopy arthropods on the growth and nutrient dynamics of black locust and red maple trees in the southern Appalachians. Ecology 64(5):1040-1048.

Non-peer-reviewed Publications

Fox, D. 2007. Back to the No-Analog Future? Science 316:823-825. Available at http://www.geobabble.org/~hnw/ScienceNewsFocus05162007.pdf

Elschlaeger, C., J. Westervelt, H. Balbach, H. Resit Akcakaya, T. Hoctor, C. Goodison, W.W. Hargrove, F.M. Hoffman, W. Rose, and R.C. Lozar. 2006. Habitat Fragmentation Handbook for Installation Planners: Status and Options. US Army Corps of Engineers, Engineer Research and Development Center, Construction Engineering Research Laboratory Technical Report ERDC/CERL TR-06-36.187 pgs.. Available at http://www.geobabble.org/~hnw/CERL-TR-06-36.pdf

Lozar, R.C., W.W. Hargrove, and F.M. Hoffman. 2005. Use of the Corridor Tool in Support of Threatened and Endangered Species Habitat Fragmentation: Input Procedure and Initial Results. U.S. Army Corps of Engineers, Engineer Research and Development Center, Technical Report ERDC/CERL TR-05-23, 56 pgs. Available at http://libweb.wes.army.mil/uhtbin/hyperion/CERL-TR-05-23.pdf

Hargrove, W.W., and F.M. Hoffman. 2004. A Flux Atlas for Representativeness and Statistical Extrapolation of the AmeriFlux Network. ORNL Technical Memorandum ORNL/TM-2004/112. Available at http://geobabble.ornl.gov:/flux-ecoregions

Hargrove, W.W., C.C. Brandt, H.I. Jager, and R.A. McCord. 2002. A "make-a-difference" experiment to assess the value of ARM data in carbon cycle models. Twelfth ARM Science Team Meeting Proceedings, St. Petersburg, Florida, April 8-12, 2002.

Efroymson, R.A., W.W. Hargrove, M.J. Peterson, D.S. Jones, W.H. Rose, L.L. Pater, G.W. Suter II, and K.A. Reinbold. 2001. Demonstration of the Military Ecological Risk Assessment Framework (MERAF): Apache Longbow-Hellfire missile test at Yuma Proving Ground. ORNL Technical Memorandum ORNL/TM-2001/211. 119 pgs.

Hargrove, W.W. 2001. Book review of Terrestrial Ecoregions of North America. Quarterly Review of Biology 76(2):256-257.

King, A.W., L.K. Mann, W.W. Hargrove, T.L. Ashwood, and V.H. Dale. 2001. Assessing the persistence of an avian population in a managed landscape: A case study with Henslow's Sparrow at Ft. Knox, Kentucky. ORNL. Technical Memorandum ORNL/TM-13734.

Hoffman, F.M., and W.W. Hargrove. 2000. High performance computing: an introduction to parallel programming with Beowulf. Open Source Developers Journal 1(1)24-31. Available at http://climate.ornl.gov/~forrest/osdj-2000-11/.

Hoffman, F.M., and W.W. Hargrove. 1999. Multivariate Geographic Clustering using a Beowulf-style parallel computer. In: Parallel and Distributed Processing Techniques and Applications (PDPTA '99), Vol. III, H.R. Arabina, Ed., ISBN 1-892512-11-4, CSREA Press, pp. 1292-1298.

Hoffman, F.M., and W.W. Hargrove. 1999. Parallel computing with Linux. Fall, 1999. Crossroads: Association for Computing Machinery 6(1).

Hoffman, F.M., and W.W. Hargrove. 1999. Cluster computing: Linux taken to the extreme. Linux Magazine 1(1):56-59.

Huff, D.D., W.W. Hargrove, and R.L. Graham. 1999. Adaptation of WRENSS Fortran 77 for a GIS application for water-yield changes. ORNL Technical Memorandum ORNL/TM-13747.

Hargrove, W.W. 1998. Maps are not paper! Readers' Forum, GEOWorld 11(11):11.

Hargrove, W.W. 1996. Visualization techniques aid environmental restoration efforts. Scientific Computing and Automation, October 1996:35-36.

Hargrove, W.W. 1996. Over the horizon - Perspectives on future directions in GIS. Readers' Forum, GIS World 9(3):28.

Hargrove, W.W. 1987. A video digitizer for the rapid measurement of leaf area removed by herbivorous insects. Technological Tools, Bulletin of the Ecological Society of America 68(2):185.

Hargrove, W.W. 1986. An annotated species list of insects associated with black locust, Robinia pseudoacacia L., in the southern Appalachians. Entomological News 97(1):36-40.

Web Publications

Hargrove, W.W., and F.M. Hoffman. 2005. ORNL-TNC Quantitative Global Ecoregions Using Similarity Colors. Available at http://www.geobabble.org/~hnw/global/ORNL-TNC/index.simcolors.html

Hargrove, W.W., and F.M. Hoffman. 2004. A Flux Atlas for Representativeness and Statistical Extrapolation of the AmeriFlux Network. Available at http://geobabble.ornl.gov:/flux-ecoregions

Hargrove, W.W., and F.M. Hoffman. 2004. A Practical Map-Analysis Tool for Detecting Potential Dispersal Corridors. Available at http://www.geobabble.org/~hnw/walkers/presentation6

Hargrove, W.W., and F.M. Hoffman. 2003. Dynamic Oceanic Water-Masses for the World's Oceans Based on Quantitative Ecoregions. Available at http://www.geobabble.org/~hnw/oceans

Hargrove, W.W., and F.M. Hoffman. 2002. Recent changes in the configuration of the DOE AmeriFlux network and their effects on network representation.. Available at http://www.geobabble.org/~hnw/networks2

Hargrove, W.W., and F.M. Hoffman. 2002. Representativeness and network site analysis based on quantitative ecoregions. Available at http://www.geobabble.org/~hnw/networks

Hargrove, W.W., C.C. Brandt, H.I. Jager, and R.M. McCord. 2002. A "make-a-difference" experiment to assess the value of ARM data in carbon cycle models. Available at http://www.archive.arm.gov/Carbon

Hargrove, W.W., and F.M. Hoffman. 2002. New high-resolution national map series of vegetation ecoregions produced empirically using multivariate spatial clustering. Available at http://www.geobabble.org/~hnw/ecoregions/ecoregions.html

Hargrove, W.W., R.A. Efroymson, M. Peterson, and D.S. Jones. 2001. Hydrologic and Noise Assessment of Apache Longbow Hellfire Training at Yuma Proving Ground. Available at http://www.geobabble.org/~hnw/ypg

Hargrove, W.W., and F.M. Hoffman. 2000. National clustered ecoregion products and the input layers from which they were statistically derived Available at http://geobabble.ornl.gov/cgi-bin/pzs

Hargrove, W.W., and F.M. Hoffman. 1999. Optimizing Master/Slave Dynamic Load-Balancing in Heterogeneous Parallel Environments. Available at http://www.geobabble.org/~hnw/sc99

Hargrove, W.W., and F.M. Hoffman. 1999. Using multivariate clustering to characterize ecoregion borders. Available at http://www.geobabble.org/~hnw/borders

Hargrove, W.W., and J. Adams. 1999. Estimating temperature and precipitation at the Last Glacial Maximum. Available at http://www.geobabble.org/~hnw/valdai

Hargrove, W.W. 1997. Interpolation of Rainfall in Switzerland using a Regularized Spline with Tension, Available at http://www.geobabble.org/~hnw/sic97

Hoffman, F.M., and W.W. Hargrove. 1997. The Stone SouperComputer - the first Beowulf-style parallel supercomputer at Oak Ridge National Laboratory. Available at http://stonesoup.esd.ornl.gov

Hargrove, W.W., and R.J. Luxmoore. 1997. A Clustering Technique for the Generation of Customizable Ecoregions. Proceedings, ESRI Arc/INFO Users Conference, Palm Springs, Ca. Available at http://gis.esri.com/library/userconf/proc97/proc97/TO250/pap226/p226.htm

Hargrove, W.W., D.A. Levine, M.R. Miller, P.R. Coleman, D.L. Pack, and R.C. Durfee. 1996. GIS and Risk Assessment: A fruitful combination. Proceedings, ESRI Arc/INFO Users Conference, Palm Springs, Ca. Available at http://gis.esri.com/library/userconf/proc96/TO50/PAP028/P28.HTM

Hargrove, W.W., R.F. Winterfield, and D.A. Levine. 1995. Dynamic Segmentation and Thiessen polygons: a solution to the River Mile problem. Proceedings, ESRI Arc/INFO Users Conference, Palm Springs, Ca. Available at http://gis.esri.com/library/userconf/proc95/to150/p114.html

Hargrove, W.W. 1994. Using EMBYR, a large-scale probabilistic fire model, to re-create the Yellowstone Forest Lake fire. Environmental Research News, http://www.geobabble.org/EMBYR/embyr.html