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Karin Riley, PhD

Karin Riley, PhD

Research Ecologist

Rocky Mountain Research Station

0000-0001-6593-5657

karin.l.riley@usda.gov

Email

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Education

Treesearch Publications

Jeffrey P. Prestemon, Shannon Kay, Jennifer Costanza, Linda A. Joyce, Karin Riley, Karen C. Short, Erin J. Belval, Bruno Kanieski da Silva, Prakash Nepal, Jeffrey T. Morisette. 2026. Wildfire, Suppression, and Federal Spending, 2020–2100
Peng Gao, Alex W. Dye, Karin Riley, John B. Kim. 2026. Number of dry days drives the expansion of simulated future wildfire in the Florida flatwoods pyrome
Mark A. Finney, Scott Zimmer, Karin Riley, Isaac C. Grenfell. 2025. A generalized wildfire containment algorithm
Lila Leatherman, Nicholas Storey, Karin Riley. 2024. TreeMap at a glance
Shawn P. Urbanski, John D. Shaw, Karin Riley. 2024. Development of carbon entity guidelines for wildfire and prescribed fire in the continental United States
Alex Dye, Rachel M. Houtman, Peng Gao, William R. L. Anderegg, Christopher J. Fettig, Jeffrey A. Hicke, John B. Kim, Christopher J. Still, Kevin Young, Karin Riley. 2024. Carbon, climate, and natural disturbance: a review of mechanisms, challenges, and tools for understanding forest carbon stability in an uncertain future
Kevin Young, Erin J. Belval, Karin Riley, Peng Gao. 2024. Predicting daily firefighting personnel deployment trends in the western United States
Leda N. Kobziar, J. Kevin Hiers, Claire M. Belcher, William J. Bond, Carolyn A. Enquist, E. Louise Loudermilk, Jessica R. Miesel, Joseph J. O'Brien, Juli G. Pausas, Sharon M. Hood, Robert E. Keane, Penelope Morgan, Melissa R. A. Pingree, Karin Riley, Hugh Safford, Francisco Seijo, J. Morgan Varner, Tamara Wall, Adam Watts. 2024. Principles of fire ecology
Jeffrey P. Prestemon, Erin J. Belval, Jennifer Costanza, Jeffrey T. Morisette, Karin Riley, Shannon Kay, Karen C. Short, Bruno Kanieski da Silva. 2024. Climate financial risk: the federal government's exposure to financial risk due to climate change
Lara T. Murray, Christopher W. W. Woodall, Andrew J. Lister, Keith Stockmann, Hongmei Gu, Shawn P. Urbanski, Karin Riley, Eric J. Greenfield, Christopher Farley, Hans Andersen, Linda S. Heath, Jeff W. Atkins, Grant M. Domke, Andrew C. Oishi, James Smith, Richard Birdsey, David Skole, Stephen Prisley, Anthony D’Amato, Ethan Belair, Eric Marland, Prakash Nepal, Poonam Khatri, Indroneil Ganguly, Richard Bergman, Kamalakanta Sahoo, John D. Shaw, Jens Stevens, Thomas Buchholz, John Gunn, Lisa McCauley, Joe Fargione, Alexis Ellis, David J. Nowak, Mark Majewsky, Christopher Mihiar. 2024. Quantifying greenhouse gas sources and sinks in managed forest systems
Martin C. Holdrege, Daniel R. Schlaepfer, Kyle A. Palmquist, Michele Crist, Kevin E. Doherty, William K. Lauenroth, Thomas E. Remington, Karin Riley, Karen C. Short, John C. Tull, Lief A. Wiechman, John B. Bradford. 2024. Wildfire probability estimated from recent climate and fine fuels across the big sagebrush region
Alex Dye, Matthew Reilly, Andy McEvoy, Rebecca Lemons, Karin Riley, John B. Kim, Becky K. Kerns. 2024. Simulated future shifts in wildfire regimes in moist forests of Pacific Northwest, USA
Jamie L. Peeler, Lisa McCauley, Kerry L. Metlen, Travis Woolley, Kimberley T. Davis, Marcos D. Robles, Ryan D. Haugo, Karin Riley, Philip E. Higuera, Joseph E. Fargione, Robert N. Addington, Steven Bassett, Kori Blankenship, Michael J. Case, Teresa B. Chapman, Edward Smith, Randy Swaty, Nathan Welch. 2023. Identifying opportunity hot spots for reducing the risk of wildfire-caused carbon loss in western US conifer forests
Alex Dye, Peng Gao, John B. Kim, Ting Lei, Karin Riley, Larissa Yocom. 2023. High-resolution wildfire simulations reveal complexity of climate change impacts on projected burn probability for Southern California
Karin Riley, Christopher D. O'Connor. 2023. Heads up in a dead forest: Using the Snag Hazard map to support safety and strategic planning for fire responders
Claire Tortorelli, John B. Kim, Nicole M. Vaillant, Karin Riley, Alex Dye, Ty C. Nietupski, Kevin C. Vogler, Rebecca Lemons, Michelle A. Day, Meg A. Krawchuk, Becky K. Kerns. 2023. Feeding the fire: Annual grass invasion facilitates modeled fire spread across Inland Northwest forest‐mosaic landscapes
Karin Riley, Isaac C. Grenfell, John D. Shaw, Mark A. Finney. 2022. TreeMap 2016 dataset generates CONUS-wide maps of forest characteristics including live basal area, aboveground carbon, and number of trees per acre
Karin Riley, Christopher D. O'Connor, Christopher J. Dunn, Jessica R. Haas, Richard D. Stratton, Benjamin Gannon. 2022. A national map of snag hazard to reduce risk to wildland fire responders
Jeffrey P. Prestemon, Erin J. Belval, Sara H. Brown, Jennifer Costanza, Linda A. Joyce, Shannon Kay, Mark Lichtenstein, Jeffrey T. Morisette, Karin Riley, Karen C. Short. 2022. Climate risk exposure: An assessment of the Federal Government's financial risks to climate change
Karin Riley. 2021. Seeing the forest AND the trees: TreeMap provides a tree-level forest model
Alex W. Dye, John B. Kim, Andrew McEvoy, Fang Fang, Karin Riley. 2021. Evaluating rural Pacific Northwest towns for wildfire evacuation vulnerability
Karin Riley, Isaac C. Grenfell, Mark A. Finney, Jason M. Wiener. 2021. TreeMap, a tree-level model of conterminous US forests circa 2014 produced by imputation of FIA plot data
Karin Riley, Toddi Steelman, Diego R. Perez Salicrup, Sara H. Brown. 2020. On the need for inclusivity and diversity in the wildland fire professions
Alex W. Dye, John B. Kim, Karin Riley. 2020. Spatial heterogeneity of winds during Santa Ana and non-Santa Ana wildfires in Southern California with implications for fire risk modeling
Marc-Andre Parisien, Alan Ager, Ana M. Barros, Denyse Dawe, Sandy Erni, Mark A. Finney, Charles W. McHugh, Carol L. Miller, Sean A. Parks, Karin Riley, Karen C. Short, Christopher A. Stockdale, Xianli Wang, Ellen Whitman. 2020. Commentary on the article “Burn probability simulation and subsequent wildland fire activity in Alberta, Canada - Implications for risk assessment and strategic planning” by J. L. Beverly and N. McLoughlin
Karin Riley, A. Park Williams, Shawn P. Urbanski, Dave E. Calkin, Karen C. Short, Christopher D. O'Connor. 2019. Will landscape fire increase in the future? A systems approach to climate, fire, fuel, and human drivers
Toddi Steelman, Karin Riley. 2018. #MeToo for the wildfire community
Karin Riley, Matthew P. Thompson, Joe H. Scott, Julie Gilbertson-Day. 2018. A model-based framework to evaluate alternative wildfire suppression strategies
Matthew P. Thompson, Karin Riley, Dan Loeffler, Jessica R. Haas. 2017. Modeling fuel treatment leverage: Encounter rates, risk reduction, and suppression cost impacts
Kevin Hyde, Karin Riley, Cathelijne Stoof. 2017. Uncertainties in predicting debris flow hazards following wildfire [Chapter 19]
Karin Riley, Matthew P. Thompson, Peter Webley, Kevin Hyde. 2017. Uncertainty in natural hazards, modeling and decision support: An introduction to this volume [Chapter 1]
Karin Riley, Matthew P. Thompson. 2017. An uncertainty analysis of wildfire modeling [Chapter 13]
Haiganoush K. Preisler, Karin Riley, Crystal S. Stonesifer, Dave E. Calkin, W. Matt Jolly. 2016. Near-term probabilistic forecast of significant wildfire events for the Western United States
Karin Riley, Rachel A. Loehman. 2016. Mid-21st- century climate changes increase predicted fire occurrence and fire season length, Northern Rocky Mountains, United States
Karin Riley, Isaac C. Grenfell, Mark A. Finney. 2016. Mapping forest vegetation for the western United States using modified random forests imputation of FIA forest plots
Jeremy S. Littell, David L. Peterson, Karin Riley, Yongqiang Liu, Charlie H. Luce. 2016. A review of the relationships between drought and forest fire in the United States
Jeremy S. Littell, David L. Peterson, Karin Riley, Yongqiang Liu, Charles H. Luce. 2016. Fire and drought [Chapter 7]
Karin Riley, Isaac C. Grenfell, Mark A. Finney. 2015. Seeing the forest for the trees: utilizing modified random forests imputation of forest plot data for landscape-level analyses
Karin Riley, Crystal S. Stonesifer, Dave E. Calkin, Haiganoush K. Preisler. 2015. Assessing predictive services' 7-day fire potential outlook
Robert E. Keane, W. Matt Jolly, Russell A. Parsons, Karin Riley. 2015. Proceedings of the large wildland fires conference; May 19-23, 2014; Missoula, MT
Karin Riley, Crystal S. Stonesifer, Haiganoush K. Preisler, Dave E. Calkin. 2014. Predicting wildfire ignitions, escapes, and large fire activity using Predictive Service’s 7-Day Fire Potential Outlook in the western USA
Karin Riley, Isaac C. Grenfell, Mark A. Finney, Nicholas L. Crookston. 2014. Utilizing random forests imputation of forest plot data for landscape-level wildfire analyses
Rachel A. Loehman, Elizabeth Reinhardt, Karin Riley. 2014. Wildland fire emissions, carbon, and climate: Seeing the forest and the trees - A cross-scale assessment of wildfire and carbon dynamics in fire-prone, forested ecosystems
Karin Riley, John T. Abatzoglou, Isaac C. Grenfell, Anna E. Klene, Faith Heinsch. 2013. The relationship of large fire occurrence with drought and fire danger indices in the western USA, 1984-2008: The role of temporal scale
Christopher W. W. Woodall, Grant M. Domke, Karin Riley, Christopher M. Oswalt, Susan Crocker, Gary W. Yohe. 2013. A framework for assessing global change risks to forest carbon stocks in the United States
Mark A. Finney, Charles W. McHugh, Isaac C. Grenfell, Karin Riley, Karen C. Short. 2011. A simulation of probabilistic wildfire risk components for the continental United States
David E. Calkin, Alan Ager, Matthew P. Thompson, Mark A. Finney, Danny C. Lee, Thomas M. Quigley, Charles W. McHugh, Karin Riley, Julie Gilbertson-Day. 2011. A comparative risk assessment framework for wildland fire management: the 2010 cohesive strategy science report
Mark A. Finney, Charles W. McHugh, Isaac Grenfell, Karin Riley. 2010. Continental-scale simulation of burn probabilities, flame lengths, and fire size distribution for the United States

Data and Tools

University of Montana, Phd, Geosciences, 2012
Humboldt State University, Master Of Science, Environmental Systems, 2001
Harvard University, Bachelor Of Arts, Earth and Planetary Science, 1996

Last updated March 10, 2026

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