Karen G. Schleeweis, PhD

Treesearch Publications

• Terry Sohl, Suming Jin, Jon Dewitz, James Wickham, Jesslyn Brown, Stephen Stehman, Nathaniel Herold, Karen G. Schleeweis, Heather Tollerud, Carol Deering. 2025. Thirty years of the U.S. National Land Cover Database: Impacts and future direction
• Joshua Heyer, Karen G. Schleeweis, Bonnie Ruefenacht, Ian Housman, Yang Zhiqiang, Daniel Ryerson, Jaclyn Reischmann, Kevin Megown, M. Seth Bogle. 2025. Annual national tree canopy cover mapping: A novel workflow with temporal transferability and improved uncertainty quantification
• Jill M. Derwin, Valerie A. Thomas, Randolph H. Wynne, Karen G. Schleeweis, John W. Coulston, S. Seth Peery, Kurt Luther, Greg C. C. Liknes, Stacie Bender, Susmita Sen. 2025. Factors influencing the consistency in crowdsourced interpretations of aerial photographs to measure tree canopy cover
• Lucila M. Corro, Kenneth J. Bagstad, Mehdi P. Heris, Peter C. Ibsen, Karen G. Schleeweis, Jay E. Diffendorfer, Austin Troy, Kevin Megown, Jarlath P. M. O’Neil-Dunne. 2025. An enhanced national-scale urban tree canopy cover dataset for the United States
• Jiaming Lu, Chengquan Huang, Karen G. Schleeweis, Zhenhua Zou, Weishu Gong. 2025. Tree age estimation across the U.S. using forest inventory and analysis database
• Terry Sohl, Karen G. Schleeweis, Nate Herold, Megan Lang, Inga La Puma, James Wickham, Rick Mueller, Matthew Rigge, Jon Dewitz, Jesslyn F. Brown, Jeffrey Ingebritsen, James Ellenwood, Ellen Wengert, Jordan Rowe, Patrick Flanagan, Emily Kachergis, Iris Garthwaite, Zhuoting Wu. 2025. An interagency perspective on improving consistency and transparency of land use and land cover mapping
• Annabelle Moore, Inga La Puma, Greg Dillon, Tobin Smail, Karen G. Schleeweis, Chris Toney, Jim Menakis, Henry Bastian, Josh Picotte, Daryn Dockter, Brian Tolk. 2024. Twenty years of science and management with LANDFIRE
• Jennifer Costanza, Karen G. Schleeweis, Kurt Riitters. 2024. Fifteen-year changes in the landscape context of FIA forest land in the conterminous United States
• Kurt Riitters, Jennifer Costanza, Karen G. Schleeweis. 2024. Updating the sustainability indicators of forest cover fragmentation for the United States from 2001 to 2019
• Karen G. Schleeweis, Joy Drohan, Kevin Megown, Bonnie Ruefenacht, Dan Ryerson, Jody Vogeler. 2024. A brief history of trees: The National Land Cover Database Tree Canopy Cover data now available annually
• Steven K. Filippelli, Karen G. Schleeweis, Mark D. D. Nelson, Patrick A. Fekety, Jody C. Vogeler. 2024. Testing temporal transferability of remote sensing models for large area monitoring
• Peter Vogt, Kurt Riitters, José I Barredo, Jennifer Costanza, Bernd Eckhardt, Karen G. Schleeweis. 2024. Improving forest connectivity assessments using tree cover density maps
• Eric J. Greenfield, Karen G. Schleeweis. 2023. Comparing the USDA Forest Service Tree Canopy Cover Datasets 2011, 2016, 2019 and 2021 with Photointerpretation of High-Resolution Google Earth Imagery: Guidance for Use in in Community Scale Forest Management
• Kurt Riitters, Jennifer Costanza, John W. Coulston, Peter Vogt, Karen G. Schleeweis. 2023. Interpreting image texture metrics applied to landscape gradient data
• Jennifer Costanza, Frank H. H. Koch, Matt C. Reeves, Kevin M. Potter, Karen G. Schleeweis, Kurt Riitters, Sarah Anderson, Evan B. Brooks, John W. Coulston, Linda A. Joyce, Prakash Nepal, Benjamin Poulter, Jeffrey P. Prestemon, J. Morgan Varner, David M. Walker. 2023. Disturbances to Forests and Rangelands
• Kaldoun Rishmawi, Chengquan Huang, Karen G. Schleeweis, Xiwu Zhan. 2022. Integration of VIIRS observations with GEDI-Lidar measurements to monitor forest structure dynamics from 2013 to 2020 across the conterminous United States
• Jiaming Lu, Chengquan Huang, Xin Tao, Weishu Gong, Karen G. Schleeweis. 2022. Annual forest disturbance intensity mapped using Landsat time series and field inventory data for the conterminous United States (1986-2015)
• Weishu Gong, Chengquan Huang, Richard A. Houghton, Alexander Nassikas, Feng Zhao, Xin Tao, Jiaming Lu, Karen G. Schleeweis. 2022. Carbon fluxes from contemporary forest disturbances in North Carolina evaluated using a grid-based carbon accounting model and fine resolution remote sensing products
• Andrew J. Lister, Hans Andersen, Tracey Frescino, Demetrios Gatziolis, Sean P. Healey, Linda S. Heath, Greg C. C. Liknes, Ronald McRoberts, Gretchen Moisen, Mark Nelson, Rachel Riemann, Karen G. Schleeweis, Todd A. Schroeder, Jim Westfall, Barry T. (Ty) Wilson. 2020. Use of Remote Sensing Data to Improve the Efficiency of National Forest Inventories: A Case Study from the United States National Forest Inventory
• Kurt Riitters, Karen G. Schleeweis, Jennifer Costanza. 2020. Forest Area Change in the Shifting Landscape Mosaic of the Continental United States from 2001 to 2016
• Karen G. Schleeweis, Gretchen Moisen, Todd A. Schroeder, Chris Toney, Elizabeth Freeman, Samuel N. Goward, Chengquan Huang, Jennifer L. Dungan. 2020. US National Maps Attributing Forest Change: 1986-2010
• Xin Tao, Chengquan Huang, Feng Zhao, Karen G. Schleeweis, Jeffrey Masek, Shunlin Liang. 2019. Mapping forest disturbance intensity in North and South Carolina using annual Landsat observations and field inventory data
• Feng Zhao, Chengquan Huang, Samuel N. Goward, Karen G. Schleeweis, Khaldoun Rishmawi, Mary A. Lindsey, Elaine Denning, Louis Keddell, Warren B. Cohen, Zhiqiang Yang, Jennifer L. Dungan, Andrew Michaelis. 2018. Development of Landsat-based annual US forest disturbance history maps (1986-2010) in support of the North American Carbon Program (NACP)
• Todd A. Schroeder, Karen G. Schleeweis, Gretchen Moisen, Chris Toney, Warren B. Cohen, Elizabeth Freeman, Zhiqiang Yang, Chengquan Huang. 2017. Testing a Landsat-based approach for mapping disturbance causality in U.S. forests
• Karen G. Schleeweis, Samuel N. Goward, Chengquan Huang, John L. Dwyer, Jennifer L. Dungan, Mary A. Lindsey, Andrew Michaelis, Khaldoun Rishmawi, Jeffery G. Masek. 2016. Selection and quality assessment of Landsat data for the North American forest dynamics forest history maps of the US
• Gretchen Moisen, Mary C. Meyer, Todd A. Schroeder, Xiyue Liao, Karen G. Schleeweis, Elizabeth Freeman, Chris Toney. 2016. Shape selection in Landsat time series: A tool for monitoring forest dynamics
• J. Chris Toney, Karen G. Schleeweis, Jennifer Dungan, Andrew Michaelis, Todd A. Schroeder, Gretchen Moisen. 2015. Nationwide disturbance attribution on NASA’s earth exchange: experiences in a high-end computing environment
• Karen G. Schleeweis, Gretchen Moisen, Todd A. Schroeder, Chris Toney, Elizabeth Freeman. 2015. On the road to national mapping and attribution of the processes underlying U.S
• Todd A. Schroeder, Gretchen Moisen, Karen G. Schleeweis, Chris Toney, Warren B. Cohen, Zhiqiang Yang, Elizabeth Freeman. 2015. Using an empirical and rule-based modeling approach to map cause of disturbance in U.S
• Karen G. Schleeweis, Chengquan Huang, Khaldoun Rishmawi, Feng Aron Zhao, Jeffery G. Masek, Richard K. Houghton, Samuel N. Goward. 2015. Using FIA and landsat observations to improve the spatial and temporal resolution of forest carbon estimates
• Todd A. Schroeder, Gretchen Moisen, Karen G. Schleeweis. 2014. Testing alternative response designs for training forest disturbance and attribution models
• Karen G. Schleeweis, Samuel N. Goward, Chengquan Huang, Jeffrey G. Masek, Gretchen Moisen, Robert Kennedy, Nancy E. Thomas. 2013. Regional dynamics of forest canopy change and underlying causal processes in the contiguous US
• Karen G. Schleeweis, Samuel N. Goward, Chengquan Huang, Jeffrey Masek, Gretchen Moisen. 2012. Understanding trends in observations of forest disturbance and their underlying causal processes
• Gretchen Moisen, Todd A. Schroeder, Karen G. Schleeweis, Chris Toney, Warren B. Cohen, Samuel N. Goward. 2012. Attributing causal agents to nationwide maps of forest disturbance

Citations of Non-Forest Service Publications

• Tao, X.; Huang, C.; Zhao, F.; Schleeweis, K.; Masek, J.; Liang, S. Mapping forest disturbance intensity in North and South Carolina using annual Landsat observations and field inventory data. Remote Sensing of Environment 2019, 221, 351-362.
  Zhao, F.; Huang, C.; Goward, S.N.; Schleeweis, K.; Rishmawi, K.; Lindsey, M.A.; Denning, E.; Keddell, L.; Cohen, W.B.; Yang, Z., et al. Development of Landsat-based annual US forest disturbance history maps (1986–2010) in support of the North American Carbon Program (NACP). Remote Sensing of Environment 2018, 209, 312-326, doi:https://doi.org/10.1016/j.rse.2018.02.035.
  Huang, C.; Goward, S.N.; Schleeweis, K.; Thomas, N.; Masek, J.G.; Zhu, Z.L. Dynamics of national forests assessed using the Landsat record: Case studies in eastern United States. Remote Sensing of Environment 2009, 113, 1430-1442.
  Thomas, N.E.; Huang, C.; Goward, S.N.; Powell, S.; Rishmawi, K.; Schleeweis, K.; Hinds, A. Validation of North American forest disturbance dynamics derived from Landsat time series stacks. Remote Sensing of Environment 2011, 115, 19-32, doi:10.1016/j.rse.2010.07.009.
  Huang, C.; Schleeweis, K.; Thomas, N.; N, G.S. Forest dynamics within and around the Olympic National Park assessed using time series Landsat observations. In Remote Sensing of Protected Lands, Wang, Y., Ed. Taylor & Francis: London, 2011; pp. 75-94.
   
• Masek, J.G.; Goward, S.N.; Kennedy, R.E.; Cohen, W.B.; Moisen, G.G.; Schleeweis, K.; Huang, C. United States Forest Disturbance Trends Observed Using Landsat Time Series. Ecosystems 2013, 1-18.Huang, C.; Goward, S.N.; Masek, J.G.; Gao, F.; Vermote, E.F.; Thomas, N.; Schleeweis, K.; Kennedy, R.E.; Zhu, Z.; Eidenshink, J.C., et al. Development of time series stacks of Landsat images for reconstructing forest disturbance history. International Journal of Digital Earth 2009, 195-218.
  Goward, S.N., C. Huang, F. Zhao, K. Schleeweis, K. Rishmawi, M. Lindsey, J.L. Dungan, and A. Michaelis. 2015. NACP NAFD Project: Forest Disturbance History from Landsat, 1986-2010. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1290
• Hansen, C., Yonavjak, L. Clarke,C., Minnemeyer, S., Boisrobert, L., Leach, A., Schleeweis, K. (2010) Southern Forests for the Future. World Resources Institute: Washington D.C.

Data and Tools

• Dashboard
  

  Landscape Change Monitoring System (LCMS)

  https://research.fs.usda.gov/rmrs/products/dataandtools/landscape-change-monitoring-system-lcms
• Tool
  

  LANDFIRE & Forest Inventory and Analysis (FIA): 15 Years of Growing Research and Partnerships

  https://research.fs.usda.gov/rmrs/products/dataandtools/landfire-forest-inventory-and-analysis-fia-15-years-growing-research-and

• Center or Group
  

  Landscape Change Monitoring System (LCMS) Science Team

  https://research.fs.usda.gov/rmrs/centers/lcms
  Station

  Rocky Mountain Research Station

• University of Maryland, College Park, Ph.D. Geography, Remote Sensing and GIS for Natural Resource Applications, 2012
• University of Maryland, Baltimore County, Bachelor Of Science, Geography, 2006