World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
56
Citations
21806
World Ranking
3556
National Ranking
1353

Overview

James D. Wickham is affiliated with the Environmental Protection Agency in the United States. Their research primarily focuses on environmental science, with specific attention to several subfields such as ecology, global and planetary change, environmental engineering, nature and landscape conservation, and water science and technology.

The main topics covered in their work include remote sensing in agriculture, land use and ecosystem services, fire effects on ecosystems, remote sensing and LiDAR applications, hydrology and sediment transport processes, ecology and vegetation dynamics studies, and hydrology and watershed management studies.

Their recent publications include:

  • Conterminous United States land cover change patterns 2001-2016 from the 2016 National Land Cover Database, 2020, ISPRS Journal of Photogrammetry and Remote Sensing
  • Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States, 2021, Remote Sensing of Environment
  • Thematic accuracy assessment of the NLCD 2019 land cover for the conterminous United States, 2023, GIScience & Remote Sensing
  • Sediment retention by natural landscapes in the conterminous United States, 2020, The Science of The Total Environment
  • A guide for evaluating and reporting map data quality: Affirming Shao et al. "Overselling overall map accuracy misinforms about research reliability", 2020, Landscape Ecology

Frequent co-authors of James D. Wickham include Jon Dewitz, Stephen V. Stehman, Leila Gass, Kurt H. Riitters, and Anne Neale. These collaborations highlight a network of research focused on environmental data accuracy, landscape and ecosystem analysis, and related remote sensing applications.

Publications have appeared in a variety of journals, notably including:

  • JAWRA Journal of the American Water Resources Association
  • ISPRS Journal of Photogrammetry and Remote Sensing
  • Remote Sensing of Environment
  • GIScience & Remote Sensing
  • The Science of The Total Environment

Best Publications

  • Completion of the 2011 National Land Cover Database for the Conterminous United States – Representing a Decade of Land Cover Change Information

    Collin G. Homer;Jon Dewitz;Limin Yang;Suming Jin

  • A factor analysis of landscape pattern and structure metrics

    Kurt H. Riitters;R.V. O'Neill;C.T. Hunsaker;James D. Wickham

  • Completion of the 2006 National Land Cover Database for the conterminous United States.

    Joyce A. Fry;George Xian;Suming Jin;Jon A. Dewitz

  • Completion of the 2001 National Land Cover Database for the conterminous United States

    Collin Homer;Jon Dewitz;Joyce Fry;Michael Coan

  • Conterminous United States land cover change patterns 2001–2016 from the 2016 National Land Cover Database

    Collin G. Homer;Jon Dewitz;Suming Jin;George Z. Xian

  • Mapping spatial patterns with morphological image processing

    Peter Vogt;Kurt H. Riitters;Christine Estreguil;Jacek Kozak

  • Global-scale patterns of forest fragmentation

    Kurt H. Riitters;James Wickham;Robert V. O'Neill;Bruce Jones

  • Predicting nutrient and sediment loadings to streams from landscape metrics: A multiple watershed study from the United States Mid-Atlantic Region

    K. Bruce Jones;Anne C. Neale;Malisha S. Nash;Rick D. van Remortel

  • Scale problems in reporting landscape pattern at the regional scale

    R.V. O''Neill;C.T. Hunsaker;S.P. Timmins;B.L. Jackson

  • Fragmentation of Continental United States Forests

    Kurt H. Riitters;James D. Wickham;Robert V. O'Neill;K. Bruce Jones

  • Distribution and Causes of Global Forest Fragmentation

    Timothy G. Wade;Kurt H. Riitters;James D. Wickham;K. Bruce Jones

  • Accuracy assessment of NLCD 2006 land cover and impervious surface

    James D. Wickham;Stephen V. Stehman;Leila Gass;Jon Dewitz

  • Monitoring environmental quality at the landscape scale

    Robert V. O'Neill;Carolyn T. Hunsaker;K. Bruce Jones;Kurt H. Riitters

  • How far to the nearest road

    Kurt H. Riitters;James D. Wickham

  • A National Assessment of Green Infrastructure and Change for the Conterminous United States Using Morphological Image Processing

    James D. Wickham;Kurt H. Riitters;Timothy G. Wade;Peter Vogt

  • Change of impervious surface area between 2001 and 2006 in the conterminous United States

    George Z. Xian;Collin G. Homer;Jon Dewitz;Joyce Fry

  • Sensitivity of landscape metrics to pixel size

    J. D. Wickham;K. H. Riitters

  • Landscape pattern metrics and regional assessment

    Robert V. O'Neill;Kurt H. Riitters;James D. Wickham;K. Bruce Jones

  • Thematic accuracy assessment of the 2011 National Land Cover Database (NLCD)

    James Wickham;Stephen V. Stehman;Leila Gass;Jon Dewitz

  • Thematic accuracy of the NLCD 2001 land cover for the conterminous United States

    J.D. Wickham;S.V. Stehman;J.A. Fry;J.H. Smith

Frequent Co-Authors

Kurt H. Riitters
Kurt H. Riitters United States Department of Agriculture
K. Bruce Jones
K. Bruce Jones Desert Research Institute
Robert V. O'Neill
Robert V. O'Neill Oak Ridge National Laboratory
Stephen V. Stehman
Stephen V. Stehman SUNY College of Environmental Science and Forestry
John W. Coulston
John W. Coulston US Forest Service
Thomas R. Loveland
Thomas R. Loveland United States Geological Survey
Kenneth H. Reckhow
Kenneth H. Reckhow Duke University
Glenn W. Suter
Glenn W. Suter Environmental Protection Agency
Curtis H. Flather
Curtis H. Flather US Forest Service
James E. Vogelmann
James E. Vogelmann United States Geological Survey

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Environmental Sciences, pursuing related online degrees can open diverse career opportunities. One popular choice is the best online geology degree, which provides foundational knowledge about Earth processes, minerals, and environmental impact assessments. This degree is ideal for careers in natural resource management, environmental consulting, and hazard mitigation.

Another valuable pathway is Geographic Information Systems (GIS), which combines mapping technology and data analysis. The best GIS undergraduate programs equip students with skills to analyze spatial data critical for environmental planning, urban development, and conservation efforts.

For those aiming to influence environmental policy and community projects, an advanced degree like the best online masters in public administration offers leadership training relevant to managing environmental agencies and nonprofit organizations focused on sustainability.

Moreover, understanding human behavior and social dynamics is key in environmental advocacy. The best online bachelor degree in sociology supports careers that intersect environmental justice, policy development, and community engagement.

Best Scientists Citing James D. Wickham

Trending Scientists

Recently Published Articles