James Wickham

16.7k total citations · 5 hit papers
117 papers, 13.0k citations indexed

About

James Wickham is a scholar working on Global and Planetary Change, Ecology and Environmental Engineering. According to data from OpenAlex, James Wickham has authored 117 papers receiving a total of 13.0k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Global and Planetary Change, 69 papers in Ecology and 31 papers in Environmental Engineering. Recurrent topics in James Wickham's work include Land Use and Ecosystem Services (56 papers), Remote Sensing in Agriculture (39 papers) and Ecology and Vegetation Dynamics Studies (21 papers). James Wickham is often cited by papers focused on Land Use and Ecosystem Services (56 papers), Remote Sensing in Agriculture (39 papers) and Ecology and Vegetation Dynamics Studies (21 papers). James Wickham collaborates with scholars based in United States, Italy and Ireland. James Wickham's co-authors include Kurt H. Riitters, Collin G. Homer, Jon Dewitz, Limin Yang, K. Bruce Jones, Timothy G. Wade, George Xian, Suming Jin, Stephen V. Stehman and Nathaniel D. Herold and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Ecology.

In The Last Decade

James Wickham

114 papers receiving 12.0k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

2015 2.2k citations Collin G. Homer, Jon Dewitz et al. Photogrammetric Engineering & Remote Sensing profile →
Completion of the 2006 National Land Cover Database for the conterminous United States.

2011 2.0k citations J.A. Fry, George Xian et al. Photogrammetric Engineering & Remote Sensing profile →
A factor analysis of landscape pattern and structure metrics

1995 994 citations Kurt H. Riitters, James Wickham et al. Landscape Ecology profile →
Conterminous United States land cover change patterns 2001–2016 from the 2016 National Land Cover Database

2020 457 citations Collin G. Homer, Jon Dewitz et al. profile →
Thematic accuracy assessment of the NLCD 2016 land cover for the conterminous United States

2021 174 citations James Wickham, Stephen V. Stehman et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
James Wickham United States	45	7.4k	6.3k	2.6k	2.6k	1.9k	117	13.0k
Collin G. Homer United States	31	5.9k 0.8×	5.8k 0.9×	1.9k 0.7×	2.9k 1.1×	1.7k 0.9×	66	11.4k
Carol Barford United States	17	7.4k 1.0×	4.9k 0.8×	2.0k 0.8×	1.5k 0.6×	1.2k 0.6×	32	14.2k
Holly Gibbs United States	30	8.2k 1.1×	5.1k 0.8×	2.7k 1.0×	2.4k 0.9×	1.1k 0.6×	54	15.6k
Christopher J. Kucharik United States	54	12.0k 1.6×	6.7k 1.1×	3.3k 1.3×	3.4k 1.3×	2.2k 1.2×	157	21.8k
Michael T. Coe United States	58	12.9k 1.8×	6.1k 1.0×	3.9k 1.5×	1.9k 0.7×	3.4k 1.8×	110	21.0k
P. K. Snyder United States	19	6.8k 0.9×	3.6k 0.6×	1.8k 0.7×	1.3k 0.5×	998 0.5×	30	11.4k
George Xian United States	30	4.8k 0.6×	4.1k 0.7×	1.3k 0.5×	2.6k 1.0×	1.4k 0.7×	78	9.1k
Alberte Bondeau Germany	49	9.7k 1.3×	4.9k 0.8×	2.0k 0.8×	2.2k 0.8×	1.9k 1.0×	89	15.9k
Virginia H. Dale United States	50	6.8k 0.9×	4.2k 0.7×	3.6k 1.4×	1.3k 0.5×	711 0.4×	172	13.1k
E. A. Howard United States	4	5.8k 0.8×	3.4k 0.5×	1.8k 0.7×	1.1k 0.4×	924 0.5×	4	10.1k

Countries citing papers authored by James Wickham

Since Specialization

Citations

This map shows the geographic impact of James Wickham's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by James Wickham with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites James Wickham more than expected).

Fields of papers citing papers by James Wickham

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James Wickham. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by James Wickham. The network helps show where James Wickham may publish in the future.

Co-authorship network of co-authors of James Wickham

This figure shows the co-authorship network connecting the top 25 collaborators of James Wickham. A scholar is included among the top collaborators of James Wickham based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with James Wickham. James Wickham is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sohl, Terry L., Karen Schleeweis, Nate Herold, et al.. (2025). An interagency perspective on improving consistency and transparency of land use and land cover mapping. U.S. Geological Survey circular. 2 indexed citations

Wickham, James, et al.. (2024). Impervious cover change as an indicator of environmental equity. Remote Sensing Applications Society and Environment. 35. 101247–101247. 2 indexed citations

Vogt, Peter, James Wickham, José I. Barredo, & Kurt H. Riitters. (2024). Revisiting the Landscape Mosaic model. PLoS ONE. 19(5). e0304215–e0304215. 2 indexed citations

Costanza, Jennifer, Kurt H. Riitters, Peter Vogt, & James Wickham. (2019). Describing and analyzing landscape patterns: where are we now, and where are we going?. Landscape Ecology. 34(9). 2049–2055. 38 indexed citations

Wickham, James & Kurt H. Riitters. (2019). Influence of high-resolution data on the assessment of forest fragmentation. Landscape Ecology. 34(9). 2169–2182. 44 indexed citations

Wickham, James, Maliha S. Nash, & Clifford A. Barnes. (2016). Effect of land cover change on snow free surface albedo across the continental United States. Global and Planetary Change. 146. 1–9. 2 indexed citations

Homer, Collin G., Jon Dewitz, Limin Yang, et al.. (2015). Completion of the 2011 National Land Cover Database for the Conterminous United States – Representing a Decade of Land Cover Change Information. Photogrammetric Engineering & Remote Sensing. 81(5). 345–354. 2178 indexed citations breakdown →

Riitters, Kurt H., James Wickham, Timothy G. Wade, & Peter Vogt. (2012). Global survey of anthropogenic neighborhood threats to conservation of grass-shrub and forest vegetation. Journal of Environmental Management. 97. 116–121. 7 indexed citations

Fry, J.A., George Xian, Suming Jin, et al.. (2011). Completion of the 2006 National Land Cover Database for the conterminous United States.. Photogrammetric Engineering & Remote Sensing. 77(9). 858–864. 1965 indexed citations breakdown →

10.

Xian, George, Collin G. Homer, Jon Dewitz, et al.. (2011). Change of impervious surface area between 2001 and 2006 in the conterminous United States. Photogrammetric Engineering & Remote Sensing. 77(8). 758–762. 225 indexed citations

11.

Stehman, Stephen V., et al.. (2011). Estimating landscape pattern metrics from a sample of land cover. Landscape Ecology. 27(1). 133–149. 33 indexed citations

12.

Riitters, Kurt H., John W. Coulston, & James Wickham. (2011). Fragmentation of forest communities in the eastern United States. Forest Ecology and Management. 263. 85–93. 50 indexed citations

13.

Fry, J.A., Michael Coan, Collin G. Homer, Debra K. Meyer, & James Wickham. (2009). Completion of the National Land Cover Database (NLCD) 1992–2001 Land Cover Change Retrofit product. Antarctica A Keystone in a Changing World. 161 indexed citations

14.

Norton, Douglas J., et al.. (2009). A Method for Comparative Analysis of Recovery Potential in Impaired Waters Restoration Planning. Environmental Management. 44(2). 356–368. 31 indexed citations

15.

Stehman, Stephen V., James Wickham, Timothy G. Wade, & Jonathan H. Smith. (2008). Designing a Multi-Objective, Multi-Support Accuracy Assessment of the 2001 National Land Cover Data (NLCD 2001) of the Conterminous United States. Photogrammetric Engineering & Remote Sensing. 74(12). 1561–1571. 33 indexed citations

16.

Stehman, Stephen V. & James Wickham. (2006). Assessing Accuracy of Net Change Derived from Land Cover Maps. Photogrammetric Engineering & Remote Sensing. 72(2). 175–185. 13 indexed citations

17.

Wickham, James, Stephen V. Stehman, Jonathan H. Smith, Timothy G. Wade, & Limin Yang. (2004). A priorievaluation of two-stage cluster sampling for accuracy assessment of large-area land-cover maps. International Journal of Remote Sensing. 25(6). 1235–1252. 21 indexed citations

18.

Riitters, Kurt H., James Wickham, James E. Vogelmann, & K. Bruce Jones. (2000). NATIONAL LAND-COVER PATTERN DATA. Ecology. 81(2). 604–604. 50 indexed citations

19.

Wade, Timothy G., et al.. (1999). Accuracy of Road Density Estimates Derived from USGS DLG Data for Use in Environmental Applications. Photogrammetric Engineering & Remote Sensing. 65(12). 1419–1425. 5 indexed citations

20.

Wickham, James, Robert V. O’Neill, Kurt H. Riitters, Timothy G. Wade, & K. Bruce Jones. (1997). Sensitivity of selected landscape pattern metrics to land-cover misclassification and differences in land-cover composition. Photogrammetric Engineering & Remote Sensing. 63(4). 397–402. 112 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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