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2020
Wickham, J., S. Stehman, AND M. Mehaffey. Accuracy assessment of NLCD 2011 percent impervious cover for selected USA metropolitan areas. International Journal of Applied Earth Observation and Geoinformation. Elsevier BV, AMSTERDAM, Netherlands, 84:101955, (2020). https://doi.org/10.1016/j.jag.2019.101955
2018
Wickham, J., N. Herold, S. Stehman, C. Homer, G. Xian, AND P. Clagget. Accuracy assessment of NLCD 2011 impervious cover data for the Chesapeake Bay region, USA. ISPRS Journal of Photogrammetry and Remote Sensing. Elsevier BV, AMSTERDAM, Netherlands, 146:151-160, (2018). https://doi.org/10.1016/j.isprsjprs.2018.09.010
Wickham, J., K. Riiters, P. Vogt, J. Costanza, AND A. Neale. Mapping Candidate Ecological Restoration Areas Using Morphological Spatial Pattern Analysis (MSPA). US-IALE 2018 Annual Meeting, Chicago, IL, April 08 - 12, 2018.
Woznicki, S., J. Wickham, AND G. Kraynick. Projecting the Impacts of Land Cover Change on Drinking Water Treatment in Minneapolis Minnesota. ACES 2018 – A Community on Ecosystem Services, Washington, DC, December 03 - 06, 2018.
Wickham, J., S. Stehman, AND C. Homer. Spatial Patterns of NLCD Land Cover Change Thematic Accuracy (2001 - 2011). INTERNATIONAL JOURNAL OF REMOTE SENSING. Taylor & Francis, Inc., Philadelphia, PA, 39(6):1729-1743, (2018).
2017
Wickham, J., K. Riiters, P. Vogt, J. Costanza, AND A. Neale. An inventory of continental U.S. terrestrial candidate ecological restoration areas based on landscape context. RESTORATION ECOLOGY. Blackwell Publishing, Malden, MA, 25(6):894-902, (2017).
Nash, M., J. Wickham, J. Christensen, AND T. Wade. Changes in Landscape Greenness and Climatic Factors over 25 Years (1989–2013) in the USA. Remote Sensing. MDPI, Basel, Switzerland, 9(3):295, (2017).
Woznicki, S. AND J. Wickham. Forecasting land cover change impacts on drinking water treatment costs in Minneapolis, Minnesota. 2017 AGU Fall Meeting, New Orleans, LA, December 11 - 15, 2017.
Wickham, J., S. Stehman, L. Gass, J. Dewitz, D. Sorenson, B. Granneman, R. Poss, AND L. Baer. Thematic Accuracy Assessment of the 2011 National Land Cover Database (NLCD). REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 191:328-341, (2017).
2016
Wickham, J., M. Nash, AND C. Barnes. Effect of land cover change on snow free surface albedo across the continental United States. Global and Planetary Change. Elsevier BV, AMSTERDAM, Netherlands, 146:1-9, (2016).
Riiters, K., J. Wickham, J. Costanza, AND P. Vogt. Global Forest Area Trends Underestimate Threats from Forest Fragmentation . LANDSCAPE ECOLOGY. Springer, New York, NY, 31(1):137-148, (2016).
Wickham, J. Spatial and Temporal Patterns of Impervious Cover Relative to Watershed Stream Location. US-IALE, Asheville, NC, April 04 - 07, 2016.
2015
Wickham, J. AND C. Barnes. A Continental United States High Resolution NLCD Land Cover – MODIS Albedo Database to Examine Albedo and Land Cover Change Relationships. IAEL (International Association of Landscape Ecology) World Congress, Portland, OR, July 05 - 10, 2015.
Homer, C., J. Dewitz, L. Yang, S. Jin, P. Danielson, G. Xian, J. Coulston, N. Herold, J. Wickham, AND K. Megown. Completion of the 2011 National Land Cover Database for the Conterminous United States – Representing a Decade of Land Cover Change Information. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. American Society for Photogrammetry and Remote Sensing, Bethesda, MD, 81(0):345-354, (2015).
2014
Wickham, J. An Alternative View of the Climate Warming Mitigation Potential of U.S. Temperate Forests. Southeast Division of Association of American Geographers, Athens, GA, November 23 - 25, 2014.
Nash, M., D. Bradford, J. Wickham, AND T. Wade. Detecting Change in Landscape Greenness over Large Areas: An Example for New Mexico, USA. REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 150(0):152-162, (2014).
Wickham, J., C. Homer, J. Fry, A. McKerrow, R. Mueller, N. Herold, AND J. Coulston. The Multi-Resolution Land Characteristics (MRLC) Consortium - 20 Years of Development and Integration of U.S. National Land Cover Data. Remote Sensing. MDPI, Basel, Switzerland, 6(8):7424-7441, (2014).
2013
WICKHAM, J. D., T. G. WADE, AND K. H. Riitters. Empirical Analysis of the Influence of Forest Extent on Annual and Seasonal Surface Temperatures for the Continental United States. Global Ecology and Biogeography. Wiley InterScience, Silver Spring, MD, 22:620-629, (2013).
2012
Xian, G., C. Homer, J. Dewitz, J. Fry, N. Hossain, AND J. D. WICKHAM. Change of Impervious Surface Area Between 2001 and 2006 in the Conterminous United States. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. American Society for Photogrammetry and Remote Sensing, Bethesda, MD, 77:758-762, (2012).
Wickham, J., T. Wade, AND K. Riiters. Comparison of cropland and forest surface temperatures across the conterminous United States. AGRICULTURAL AND FOREST METEOROLOGY. Elsevier Science Ltd, New York, NY, 166:137-143, (2012).
Fry, J. A., G. Xian, S. Jin, J. A. Dewitz, C. G. Homer, L. Yang, C. A. Barnes, N. D. Herold, AND J. D. WICKHAM. Completion of the 2006 National Land Cover Database Update for the Conterminous United States. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. American Society for Photogrammetry and Remote Sensing, Bethesda, MD, 77:858-864, (2012).
Riiters, K. AND J. Wickham. Decline of forest interior conditions in the conterminous United States. NATURE. Macmillan Publishers Ltd., London, Uk, 4:653, (2012).
Hassett, E. M., S. V. Stehman, AND J. D. WICKHAM. Estimating Landscape Pattern Metrics from a Sample of Land Cover. LANDSCAPE ECOLOGY. Springer, New York, NY, 27:133-149, (2012).
Riitters, K., J. W. Coulston, AND J. D. WICKHAM. Fragmentation of Forest Communities in the Eastern United States. FOREST ECOLOGY AND MANAGEMENT. Elsevier Science Ltd, New York, NY, 263:85-93, (2012).
Riitters, K. H., J. D. WICKHAM, T. G. WADE, AND P. Vogt. Global Survey of Anthropogenic Neighborhood Threats to Conservation of Grass-Shrub and Forest Vegetation. JOURNAL OF ENVIRONMENTAL MANAGEMENT. Elsevier Science Ltd, New York, NY, 97:116-121, (2012).
Riitters, K. H., J. D. WICKHAM, T. G. WADE, AND P. Vogt. Global Survey of Anthropogenic Neighborhood Threats to Conservation of Grass-Shrub and Forest Vegetation . ENVIRONMENTAL MANAGEMENT. Springer-Verlag, New York, NY, 97:116-121, (2012).
2011
WICKHAM, J. D., T. G. WADE, AND K. H. Riitters. An Environmental Assessment of United States Drinking Water Watersheds. LANDSCAPE ECOLOGY. Springer, New York, NY, 7(1):605-616, (2011).
Stehman, S. V. AND J. D. WICKHAM. Pixels, Blocks of Pixels, and Polygons: Choosing a Spatial Unit for Thematic Accuracy Assessment. REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 115(12):3044-3055, (2011).
2010
WICKHAM, J. D. A National Assessment of Forest Fragmentation Change for the Conterminous United States. Presented at XXIII IUFRO World Congress, Seoul, SOUTH KOREA, August 23 - 28, 2010.
WICKHAM, J. D., K. H. Riitters, T. G. WADE, AND P. Vogt. A National Assessment of Green Infrastructure and Change for the Conterminous United States Using Morphological Image Processing. LANDSCAPE AND URBAN PLANNING. Elsevier Science Ltd, New York, NY, 94(3):186-195, (2010).
Stehman, S. V., J. D. WICKHAM, L. Fattorini, T. G. WADE, F. Baffetta, AND J. H. Smith. Estimating Accuracy of Land-Cover Composition From Two-Stage Clustering Sampling. REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 113(12):1236-1249, (2010).
Riiters, K. H., J. D. WICKHAM, AND T. G. WADE. Evaluating Anthropogenic Risk of Grassland and Forest Habitat Degradation Using Land-Cover Data. Landscape Online. International Association for Landscape Ecology, Chapter Germany, Bonn, Germany, 13:1-14, (2010).
WICKHAM, J. D. Land Cover - Nutrient Export Relationships in Space and Time. Presented at 2010 Spring Specialty Conference, Orlando, FL, March 10 - 12, 2010.
WICKHAM, J. D. AND K. H. Riitters. Landscape Indicators for Detection of Temporal Change in Fragmentation. Presented at US-IALE 25th Anniversary Symposium, Athens, GA, April 05 - 09, 2010.
WICKHAM, J. D., D. J. NORTON, G. Sandi, T. G. WADE, L. Currey, P. Emmart, AND J. George. Recovery Potential Screening for Prioritizing Restoration in Maryland Watersheds. Presented at National Water Quality Monitoring Council, Seventh National Monitoring Conference - Monitoring from Summit to Sea, Denver, CO, April 25 - 29, 2010.
WICKHAM, J. D., S. V. Stehman, J. A. Fry, J. H. Smith, AND C. G. Homer. Thematic Accuracy of the NLCD 2001 Land Cover for the Conterminous United States. REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 14(6):1286-1296, (2010).
2009
WICKHAM, J. D. AND K. H. Riitters. A Critique of Patch-Based Landscape Indicators for Detection of Temporal Change in Fragmentation. Presented at European IALE Conference 2009, Salzburg, AUSTRIA, July 12 - 16, 2009.
NORTON, D. J., J. D. WICKHAM, T. G. WADE, K. Kunert, J. V. THOMAS, AND P. Zeph. A Method for Comparative Analysis of Recovery Potential in Impaired Waters Restoration Planning . JOURNAL OF ENVIRONMENTAL MANAGEMENT. Elsevier Science Ltd, New York, NY, 44:356-368, (2009).
WADE, T. G., J. D. WICKHAM, N. Zacarelli, AND K. Riitters. A Multi-scale Method of Mapping Urban Influence. ENVIRONMENTAL MODELLING AND SOFTWARE. Elsevier Science Ltd, New York, NY, 24(10):1252-1256, (2009).
WICKHAM, J. D. A National Assessment of Change in Green Infrastructure Using Mathematical Morphology. U.S. Environmental Protection Agency, Washington, DC, EPA/600/S-09/029, 2009.
WICKHAM, J. D., K. H. Riitters, T. G. WADE, AND P. Vogt. Assessment of Change in Green Infrastructure Components Using Morphological Spatial Pattern Analysis for the Conterminous United States. Presented at INTECOL, Brisbane, AUSTRALIA, August 16 - 21, 2009.
Fry, J. A., M. J. Coan, C. G. Homer, D. K. Meyer, AND J. D. WICKHAM. Completion of the National Land Cover Database (NLCD) 1992-2001 Land Cover Change Retrofit Product. U.S. Geological Survey, Reston, VA, 2009.
2008
Riitters, K., J. D. WICKHAM, AND T. G. WADE. AN INDICATOR OF FOREST DYNAMICS USING A SHIFTING LANDSCAPE MOSAIC. F. Muller (ed.), ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, 8(6):1-11, (2008).
NEALE, A. C. AND J. D. WICKHAM. BUILDING A U.S. NATIONAL ATLAS OF ECOLOGICAL GOODS AND SERVICES. Presented at Ecosystem Services: Solutions for Problems or a Problem that Needs Solution, Kiel, GERMANY, May 13 - 15, 2008.
WICKHAM, J. D., T. G. WADE, AND K. Riitters. DETECTING TEMPORAL CHANGE IN WATERSHED NUTRIENT YIELDS. ENVIRONMENTAL MANAGEMENT. Springer-Verlag, New York, NY, 42(2):223-231, (2008).
STEHMAN, S., J. D. WICKHAM, T. G. WADE, AND J. SMITH. Designing a Multi-Objective Multi-Support Accuracy Assessment of the 2001 National Land Cover Data (NLCD 2001) of the Conterminous United States. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. American Society for Photogrammetry and Remote Sensing, Bethesda, MD, 74(12):1561-1571, (2008).
WICKHAM, J. D. AND D. J. NORTON. RECOVERY POTENTIAL AS A MEANS OF PRIORITIZING RESTORATION OF WATERS IDENTIFIED AS IMPAIRED UNDER THE CLEAN WATER ACT. Water Practice. Water Environment Federation, Alexandria, VA, 21(1):1-11, (2008).
NEALE, A. C. AND J. D. WICKHAM. Status of the US EPA’s National Atlas of Ecosystem Services. Presented at Conference on Ecosystem Services, Naples, FL, December 08 - 11, 2008.
WICKHAM, J. D., K. H. Ritters, T. G. WADE, AND C. Homer. TEMPORAL CHANGE IN FRAGMENTATION OF CONTINENTAL US FORESTS. LANDSCAPE ECOLOGY. Springer, New York, NY, 23:891-898, (2008).
2007
JONES, B., C. M. EDMONDS, E. SLONECKER, J. D. WICKHAM, A. C. NEALE, T. G. WADE, K. H. RIITTERS, AND W. G. KEPNER. DETECTING CHANGES IN RIPARIAN HABITAT CONDITIONS BASED ON PATTERNS OF GREENNESS CHANGE: A CASE STUDY FROM THE UPPER SAN PEDRO RIVER BASIN, USA. ECOLOGICAL INDICATORS. Elsevier Science Ltd, New York, NY, 8(1):89-99, (2007).
WICKHAM, J. D., T. G. WADE, AND K. RIITERS. LAND-COVER CHANGE AND ITS IMPACT ON NUTRIENT EXPORT VARIANCE. Presented at International Association for Landscape Ecology, World Congress, Wageningen, NETHERLANDS, July 08 - 12, 2007.
WICKHAM, J. D. NATIONAL LAND COVER DATASET 2001. Presented at EPA Regional Workshop, Boston, MA, May 14 - 18, 2007.
WICKHAM, J. D., K. RITTERS, T. G. WADE, AND J. COULSTON. TEMPORAL CHANGE IN FOREST FRAGMENTATION AT MULTIPLE SCALES. LANDSCAPE ECOLOGY. Springer, New York, NY, 22(4):481-489, (2007).
WICKHAM, J. D., K. RITTERS, AND T. G. WADE. US LAND-COVER MONITORING AND DETECTION OF CHANGES IN SCALE AND CONTEXT OF FOREST. Presented at Proceedings of Forest Stat 07, Montpelier, FRANCE, November 05 - 11, 2007.
2006
Stehman, S. V. AND J D. Wickham. ASSESSING ACCURACY OF NET CHANGE DERIVED FROM LAND COVER MAPS. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. American Society for Photogrammetry and Remote Sensing, Bethesda, MD, 72(2):175-186, (2006).
WICKHAM, J. D., K. H. RIITTERS, T. G. WADE, AND B. JONES. COMPARISON OF ECOLOGICAL REGIONS AND LAND-COVER COMPOSITION FOR GUIDING ESTABLISHMENT OF NUTRIENT CRITERIA. Presented at Annual Meeting, North American Benthological Society, Anchorage, AK, June 04 - 09, 2006.
RIITTERS, K. H., J. D. WICKHAM, AND T. G. WADE. EVALUATING ECOREGIONS FOR SAMPLING AND MAPPING LAND-COVER PATTERNS. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING 72(7):781-788, (2006).
WICKHAM, J. D., K. H. RIITTERS, AND T. G. WADE. EXAMINING MULTI-SCALE CHANGES IN FOREST FRAGMENTATION. Presented at Annual Meeting, U.S. Chapter of Innternational Association of Landscape Ecology, San Diego, CA, March 28 - April 01, 2006.
WICKHAM, J. D. GEOGRAPHIC MODELING AT EPA'S LANDSCAPE ECOLOGY BRANCH. Presented at Geographic Modeling at EPA, National Academy of Sciences, Board on Earth Sciences and Resources, Washington, DC, October 23, 2006.
WICKHAM, J. D. LANDSCAPE ASSESSMENT FOR TARGETED MONITORING, GUIDING CRITERIA DEVELOPMENT, AND FORECASTING RECOVERY POTENTIAL. Presented at Office of Water/Office of Research and Development Seminar Series, Washington, DC, November 08, 2006.
SEMMENS, D. J., D. T. HEGGEM, D. W. EBERT, W. G. KEPNER, A. M. PITCHFORD, S. JARNAGIN, D. B. JENNINGS, J. D. WICKHAM, L. EXUM, AND D. NORTON. LANDSCAPE ASSESSMENT TOOLS FOR WATERSHED CHARACTERIZATION. Presented at BOSC Water Quality Program Review, Cincinnati, OH, January 01, 2005.
SEMMENS, D. J., D. T. HEGGEM, D. W. EBERT, W. G. KEPNER, A. M. PITCHFORD, S. JARNAGIN, D. B. JENNINGS, J. D. WICKHAM, L. EXUM, AND D. NORTON. LANDSCAPE ASSESSMENT TOOLS FOR WATERSHED CHARACTERIZATION. Presented at BOSC Water Quality Program Review, Cincinnati, OH, January 25, 2006.
Jones, K B., A C. Neale, T G. Wade, J D. Wickham, M S. Nash, C M. Edmonds, K. H. Riitters, E R. Smith, AND R. D. Van Remortel. MULTISCALE RELATIONSHIPS OF LANDSCAPE CHARACTERISTICS AND NITROGEN CONCENTRATIONS IN STREAMS . Jianguo, Wu, K. Bruce Jones, Li Harbin, Orie L. LOoucks (ed.), Scaling and Uncertainty Analysis in Ecology Methods and Application. Columbian University Press, Cambridge, NY, , 205-224, (2006).
WICKHAM, J. D., K. RIITTERS, T. G. WADE, M. COAN, AND C. HOMER. THE EFFECT OF APPALACHIAN MOUNTAINTOP MINING ON INTERIOR FOREST. LANDSCAPE ECOLOGY. Springer, New York, NY, 22(2):179-197, (2007).
WICKHAM, J. D., B. JONES, T. G. WADE, AND K. H. RIITTERS. UNCERTAINTY IN SCALING NUTRIENT EXPORT COEFFICIENTS. Chapter 12, Methods and Applications. Springer, New York, NY, , 225-237, (2006).
2005
Nash, M S., T G. Wade, D T. Heggem, AND J D. Wickham. DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1999? William G. Kepner, Jose L. Rubio, David A. Mouat, Fausto Pedrazzini (ed.), KLUWER ACADEMIC PUBLISHERS. Springer Science and Business Media B.V;Formerly Kluwer Academic Publishers B.V., , Germany, , 305-323, (2005).
Wickham, J D., K. H. Riitters, T G. Wade, AND K B. Jones. EVALUATING THE RELATIVE ROLES OF ECOLOGICAL REGIONS AND LAND-COVER COMPOSITION FOR GUIDING ESTABLISHMENT OF NUTRIENT CRITERIA. LANDSCAPE ECOLOGY 20:791-798, (2005).
Tran, L. T., J D. Wickham, S T. Jarnagin, AND C. G. Knight. MAPPING SPATIAL THEMATIC ACCURACY WITH FUZZY SETS. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING 71(1):29-36, (2005).
Riitters, K. H., J D. Wickham, AND J. W. Coulston. USE OF ROAD MAPS IN NATIONAL ASSESSMENTS OF FOREST FRAGMENTATION IN THE UNITED STATES. C.S. Holling, Carl Folke, Lance Gunderson, Michelle Lee, Allyson Quinlan (ed.), CONSERVATION ECOLOGY 9(2):13,online, (2005).
2004
Riitters, K. H., J D. Wickham, AND J. W. Coulston. A PRELIMINARY ASSESSMENT OF THE MONTREAL PROCESS INDICATORS OF FOREST FRAGMENTATION FOR THE UNITED STATES. ENVIRONMENTAL MONITORING AND ASSESSMENT 91(1-3):257-276, (2004).
Wickham, J D., S. V. Stehman, J H. Smith, T Wade, AND L. Yang. A PRIOR EVALUATION OF TWO-STAGE CLUSTER SAMPLING FOR ACCURACY ASSESSMENT OF LARGE-AREA LAND-COVER MAPS. INTERNATIONAL JOURNAL OF REMOTE SENSING 25(6):1235-1252, (2004).
Wade, T G., K. H. Riitters, J D. Wickham, AND K B. Jones. ANTHROPOGENIC AND NATURAL FOREST FRAGMENTATION IN THE UNITED STATES.
Wickham, J D. AND K B. Jones. COMMUNICATION: SHOULD ECOLOGICAL REGIONS OR LAND-COVER COMPOSITION GUIDE ESTABLISHMENT OF NUTRIENT CRITERIA. Presented at EPA Science Forum 2004, Washington, DC, June 1-3, 2004.
Wickham, J D., K. H. Riitters, T G. Wade, AND K B. Jones. COMMUNICATION: SHOULD ECOLOGICAL REGIONS OR LAND-COVER COMPOSITION GUIDE ESTABLISHMENT OF NUTRIENT CRITERIA? Presented at US International Association of Landscape Ecology (IALE) Annual Meeting, Las Vegas, NV, March 30-April 2, 2004.
NASH, M. S., T. G. WADE, D. T. HEGGEM, AND J. D. WICKHAM. DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCDAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1999? Presented at EnviroExpo: Moving Towards Balance Open House, Las Vegas, NV, December 09, 2004.
Smith, E R., R. V. O'Neill, J D. Wickham, AND K B. Jones. EPA'S REGIONAL VULNERABILITY ASSESSMENT PROGRAM: USING MONITORING DATA AND MODEL RESULTS TO TARGET ACTIONS. Chapter 32, G. Bruce Wiersma (ed.), Environmental Monitoring: A Reference Text. CRC Press - Lewis Publishers, Boca Raton, FL, , 480-498, (2004).
Jones, K B., J D. Wickham, A C. Neale, AND T G. Wade. EVALUATING ENVIRONMENTAL QUALITY USING SPATIAL DATA DERIVED FROM SATELLITE IMAGERY. Presented at EPA Science Forum 2004, Washington, DC, June 1-3, 2004.
Wade, T G., K. H. Riitters, J D. Wickham, AND K B. Jones. FOREST FRAGMENTAION IN THE UNITED STATES.
Jones, K B., J D. Wickham, AND A C. Neale. INTEGRATING FIELD-BASED SAMPLING AND LANDSCAPE DATA FOR REGIONAL SCALE ASSESSMENTS: EXAMPLES FROM THE UNITED STATES MID-ATLANTIC REGION. Presented at Environmental Monitoring and Assessment Program (EMAP) Symposium 2004, Newport, RI, May 3-7, 2004.
Wickham, J D., K. H. Riitters, T G. Wade, AND K B. Jones. SHOULD ECOLOGICAL REGIONS OR LAND-COVER COMPOSITION GUIDE ESTABLISHMENT OF NUTRIENT CRITERIA? Presented at Landscape Sciences Seminar Series, Research Triangle Park, NC, February 17, 2004.
Wickham, J D., S. V. Stehman, J H. Smith, AND L. Yang. THEMATIC ACCURACY OF THE 1992 NATIONAL LAND-COVER DATA FOR THE WESTERN UNITED STATES. REMOTE SENSING OF ENVIRONMENT 91:452-468, (2004).
Jones, K B., J D. Wickham, AND A C. Neale. USE OF THRESHOLDS IN LANDSCAPE ASSESSMENTS. Presented at Making the Linkages Through the Use of Environmental Indicators A Regional/State/Tribal and Office of Research and Development Science Topic Workshop, Kansas City, MO, May 17-20, 2004.
2003
Wade, T G., J D. Wickham, M S. Nash, A C. Neale, K. H. Riitters, AND K B. Jones. A COMPARISON OF VECTOR AND RASTER GIS METHODS FOR CALCULATING LANDSCAPE METRICS USED IN ENVIRONMENTAL ASSESSMENTS. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING 69(12):1399-1405, (2003).
Wade, T G., K. H. Riitters, J D. Wickham, AND K B. Jones. DISTRIBUTION AND CAUSES OF GLOBAL FOREST FRAGMENTATION. CONSERVATION ECOLOGY 7(2):7, (2003).
Nash, M S., T G. Wade, D T. Heggem, AND J D. Wickham. DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1997? Presented at North Atlantic Treaty Organization (NATO) - Committee on the Challenge of Modern Organization (CCMS) and Science Committee Workshop on Desertification in the Mediterranean Region. A Security Issue, Valencia, Spain, December 2-5, 2003.
Smith, J H., S. V. Stehman, J D. Wickham, AND L. Yang. EFFECTS OF LANDSCAPE CHARACTERISTICS ON LAND-COVER CLASS ACCURACY. REMOTE SENSING OF ENVIRONMENT 84(3):342-349, (2003).
Riitters, K. H., J D. Wickham, R. V. O'Neill, K B. Jones, E R. Smith, J. W. Coulston, T G. Wade, AND J H. Smith. FRAGMENTATION OF CONTINENTAL UNITES STATES FORESTS. ECOSYSTEMS 5(8):815-822, (2003).
Tran, L. T., C. G. Knight, R. V. O'Neill, E R. Smith, K. H. Riitters, AND J D. Wickham. FUZZY DECISION ANALYSIS FOR INTEGRATED ENVIRONMENTAL VULNERABILITY ASSESSMENT OF THE MID-ATLANTIC REGION. JOURNAL OF ENVIRONMENTAL MANAGEMENT 29(6):845-859, (2003).
Wickham, J D. AND K. H. Riitters. HOW FAR TO THE NEAREST ROAD? Presented at Science Forum 2003, Washington, DC, May 5-7, 2003.
Riitters, K. H. AND J D. Wickham. HOW FAR TO THE NEAREST ROAD? FRONTIERS IN ECOLOGY AND THE ENVIRONMENT 1(13):125-129, (2003).
Riitters, K. H. AND J D. Wickham. LOCALIZING NATIONAL FRAGMENTATION STATISTICS WITH FOREST TYPE MAPS. JOURNAL OF FORESTRY 101(4):18-22, (2003).
Wickham, J D. SCALING-UP INFORMATION IN LAND-COVER DATA FOR LARGE-SCALE ENVIRONMENTAL ASSESSMENTS. Presented at Forest-Related Activities and Integrated Assessment Approaches in the European Union and the United States Joint Research Centre, Ispra, Italy, December 10, 2003.
Smith, E R., R. V. O'Neill, J D. Wickham, K B. Jones, L. E. Jackson, V Kilaru, AND R J. Reuter. THE US EPA'S REGIONAL VULNERABILITY ASSESSMENT PROGRAM: A RESEARCH STRATEGY FOR 2001-2006. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-01/008 (NTIS PB2003-102734), 2003.
Stehman, S. V., J D. Wickham, AND L. Yang. THEMATIC ACCURACY OF THE 1992 NATIONAL LAND-COVER DATA (NLCD) FOR THE EASTERN UNITED STATES: STATISTICAL METHODOLOGY AND REGIONAL RESULTS. REMOTE SENSING OF ENVIRONMENT 86(4):500-516, (2003).
Wickham, J D., T G. Wade, K. H. Riitters, R. V. O'Neill, J H. Smith, E R. Smith, K B. Jones, AND A C. Neale. UPSTREAM-TO-DOWNSTREAM CHANGES IN NUTRIENT EXPORT RISK. LANDSCAPE ECOLOGY 18(2):193-206, (2003).
Wickham, J D. AND T G. Wade. WATERSHED LEVEL RISK ASSESSMENT OF NITROGEN AND PHOSPHOROUS EXPORT. COMPUTERS AND ELECTRONICS IN AGRICULTURE 37(1-3):15-24, (2003).
2002
Jones, K B., T G. Wade, S T. Jarnagin, AND J D. Wickham. A FIRST APPROXIMATION OF IMPERVIOUS SURFACES ACROSS THE DANUBE RIVER BASIN USING THE CORINE LAND COVER DATABASE AND POTENTIAL RELATIONSHIPS TO FLOODING RISKS. Presented at NATO/CCMS Landscape Project Workshop, Kiel, Germany, November 19-24, 2002.
Wickham, J D. APPLICATION OF LAND-COVER DATA FOR ENVIRONMENTAL ASSESSMENTS. Presented at Land cover Map 2000, Monks Woods, United Kingdom, November 1, 2002.
Riitters, K. H., T G. Wade, K B. Jones, AND J D. Wickham. FOREST FRAGMENTATION IN THE UNITED STATES. Presented at ESRI Conference, San Diego, CA, July 8, 2002.
Smith, J H., J D. Wickham, S. V. Stehman, AND L. Yang. IMPACTS OF PATCH SIZE AND LAND COVER HETEROGENEITY ON THEMATIC IMAGE CLASSIFICATION ACCURACY. PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING 68(1):65-70, (2002).