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William J. Massman, PhD

Volunteer

William J. Massman, PhD

Emeritus Meteorologist

Rocky Mountain Research Station

william.j.massman@usda.gov

Email

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Treesearch Publications

Pete R. Robichaud, William J. Massman, Anthony Bova, Antonio Girona-García, Andoni Alfaro-Leranoz, Nancy Gibson. 2025. Comparing modeled soil temperature and moisture dynamics during prescribed fires, slash-pile burns and wildfires
Wei‐Ting Hung, Patrick C. Campbell, Zachary Moon, Rick Saylor, John Kochendorfer, Temple R. Lee, William J. Massman. 2024. Evaluation of an incanopy wind and wind adjustment factor model for wildfire spread applications across scales
John M. Frank, William J. Massman. 2023. A study of the role of seven historically significant fast-response hygrometers and sensor calibration on eddy covariance H2O fluxes and surface energy balance closure
Hanshu Wang, Yaoming Ma, William J. Massman, John M. Frank. 2023. Refinements of equations for the temperature-wind covariance in Massman and Lee (2002)
William J. Massman, John M. Frank. 2022. Modeling gas flow velocities in soils induced by variations in surface pressure, heat, and moisture dynamics
Sean P. Burns, John M. Frank, William J. Massman, Edward G. Patton, Peter D. Blanken. 2021. The effect of static pressure-wind covariance on vertical carbon dioxide exchange at a windy subalpine forest site
Jielun Sun, William J. Massman, Robert M. Banta, Sean P. Burns. 2021. Revisiting the surface energy imbalance
William J. Massman. 2021. The challenges of an in situ validation of a nonequilibrium model of heat and moisture dynamics during fires
John M. Frank, William J. Massman, W. Stephen Chan, Keith Nowicki, Scot C. R. Rafkin. 2020. Coordinate rotation-amplification in the uncertainty and bias in non-orthogonal sonic anemometer vertical wind speeds
William J. Massman. 2020. Impacts of non-ideality and the thermodynamic pressure work term pΔv on the surface energy balance
Gilberto Pastorello, Carlo Trotta, Eleonora Canfora, Housen Chu, Danielle Christianson, John M. Frank, William J. Massman, Shawn P. Urbanski. 2020. The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data
Olivia E. Clifton, Arlene M. Fiore, William J. Massman, Colleen B. Baublitz, Mhairi Coyle, Lisa Emberson, Silvano Fares, Delphine K. Farmer, Pierre Gentine, Giacomo Gerosa, Alex B. Guenther, Detlev Helmig, Danica L. Lombardozzi, J. William Munger, Edward G. Patton, Sally E. Pusede, Donna B. Schwede, Sam J. Silva, Matthias Sorgel, Allison L. Steiner, Amos P. K. Tai. 2020. Dry deposition of ozone over land: Processes, measurement, and modeling
John M. Frank, William J. Massman. 2020. A new perspective on the open-path infrared gas analyzer self-heating correction
Xuelong Chen, William J. Massman, Zhongbo Su. 2019. A column canopy‐air turbulent diffusion method for different canopy structures
John M. Frank, William J. Massman, Brent E. Ewers, David G. Williams. 2019. Bayesian analyses of 17 winters of water vapor fluxes show bark beetles reduce sublimation
Erin Berryman, John M. Frank, William J. Massman, Michael G. Ryan. 2018. Using a Bayesian framework to account for advection in seven years of snowpack CO2 fluxes in a mortality-impacted subalpine forest
Andrew T. Fullhart, Thijs J. Kelleners, Heather N. Speckman, Daniel Beverly, Brent E. Ewers, John M. Frank, William J. Massman. 2018. Measured and modelled above- and below-canopy turbulent fluxes for a snow-dominated mountain forest using GEOtop
Housen Chu, Dennis D. Baldocchi, Cristina Poindexter, Michael Abraha, Ankur R. Desai, Gil Bohrer, M. Altaf Arain, Timothy Griffis, Peter D. Blanken, Thomas L. O'Halloran, R. Quinn Thomas, Quan Zhang, Sean P. Burns, John M. Frank, Dold Christian, Shannon Brown, T. Andrew Black, Christopher M. Gough, Beverly E. Law, Xuhui Lee, Jiquan Chen, David E. Reed, William J. Massman, Ken Clark, Jerry Hatfield, John Prueger, Rosvel Bracho, John M. Baker, Timothy A. Martin. 2018. Temporal dynamics of aerodynamic canopy height derived from eddy covariance momentum flux data across North American flux networks
William J. Massman, Jason M. Forthofer, Mark A. Finney. 2017. An improved canopy wind model for predicting wind adjustment factors and wildland fire behavior
John M. Frank, William J. Massman, Brent E. Ewers. 2016. A Bayesian model to correct underestimated 3-D wind speeds from sonic anemometers increases turbulent components of the surface energy balance
Elizabeth Kirby, William J. Massman, Scott Baggett, Kathleen M. Smits. 2016. Experimental and modeling study of forest fire effect on soil thermal conductivity
Thijs J. Kelleners, Jeremy Koonce, Rose Shillito, Jelle Dijkema, Markus Berli, Michael H. Young, John M. Frank, William J. Massman. 2016. Numerical modeling of coupled water flow and heat transport in soil and snow
John M. Frank, William J. Massman, Edward Swiatek, Herb A. Zimmerman, Brent E. Ewers. 2016. All sonic anemometers need to correct for transducer and structural shadowing in their velocity measurements
William J. Massman. 2015. A non-equilibrium model for soil heating and moisture transport during extreme surface heating: The soil (heat-moisture-vapor) HMV-Model Version
Fei Chen, Guo Zhang, Michael Barlage, Ying Zhang, Jeffrey A. Hicke, Arjan Meddens, Guangsheng Zhou, William J. Massman, John M. Frank. 2015. An observational and modeling study of impacts of bark beetle-caused tree mortality on surface energy and hydrological cycles
Heather N. Speckman, John M. Frank, John B. Bradford, Brianna L. Miles, William J. Massman, William J. Parton, Michael G. Ryan. 2015. Forest ecosystem respiration estimated from eddy covariance and chamber measurements under high turbulence and substantial tree mortality from bark beetles
Daniel R. Schlaepfer, Brent E. Ewers, Bryan N. Shuman, David G. Williams, John M. Frank, William J. Massman, William K. Lauenroth. 2014. Terrestrial water fluxes dominated by transpiration: Comment
John M. Frank, William J. Massman, Brent E. Ewers, Laurie Huckaby, Jose Negron. 2014. Ecosystem CO2/H2O fluxes are explained by hydraulically limited gas exchange during tree mortality from spruce bark beetles
John Kochendorfer, Tilden P. Meyers, John M. Frank, William J. Massman, Mark W. Heuer. 2013. Reply to comment by Mauder on "How well can we measure the vertical wind speed? Implications for fluxes of energy and mass"
John M. Frank, William J. Massman, Brent E. Ewers. 2013. Underestimates of sensible heat flux due to vertical velocity measurement errors in non-orthogonal sonic anemometers
S. Rafkin, D. Banfield, R. Dissly, J. Silver, A. Stanton, E. Wilkinson, William J. Massman, J. Ham. 2012. An instrument to measure turbulent eddy fluxes in the atmosphere of Mars
William J. Massman. 2012. Modeling soil heating and moisture transport under extreme conditions: Forest fires and slash pile burns
John Kochendorfer, Tilden P. Meyers, John M. Frank, William J. Massman, Mark W. Heuer. 2012. How well can we measure the vertical wind speed? Implications for fluxes of energy and mass
Lianhong Gu, William J. Massman, Ray Leuning, Stephen G. Pallardy, Tilden Meyers, Paul J. Hanson, Jeffery S. Riggs, Kevin P. Hosman, Bai Yang. 2012. The fundamental equation of eddy covariance and its application in flux measurements
Eva van Gorsela, William J. Massman, Peter R. Isaac, Ray Leuning. 2012. Reflections on the surface energy imbalance problem
D. R. Bowling, William J. Massman. 2011. Persistent wind-induced enhancement of diffusive CO2 transport in a mountain forest snowpack
Edward G. Patton, Thomas W. Horst, Peter P. Sullivan, Donald H. Lenschow, Steven P. Oncley, William O. J. Brown, Sean P. Burns, Alex B. Guenther, Andreas Held, Thomas Karl, Shane D. Mayor, Luciana V. Rizzo, Scott M. Spuler, Jielun Sun, Andrew A. Turnipsee, Eugene J. Allwine, Steven L. Edburg, Brian K. Lamb, Roni Avissar, Ronald J. Calhoun, Jan Kleissl, William J. Massman, Kyaw Tha Paw U, Jeffrey C. Weil. 2011. The canopy horizontal array turbulence study
Xuhui Lee, William J. Massman. 2011. A perspective on thirty years of the Webb, Pearman and Leuning density corrections
M. M. Nobles, William J. Massman, M. Mbila, G. Butters. 2010. Mineralogical and micromorphological modifications in soil affected by slash pile burn
William J. Massman, M. M. Nobles, G. Butters, S. J. Mooney. 2010. Transport of CO2 and other combustion products in soils during slash-pile burns [Presentation]
Elise Pendall, Brent Ewers, Urszula Norton, Paul Brooks, William J. Massman, Holly Barnard, David Reed, Tim Aston, John Frank. 2010. Impacts of beetle-induced forest mortality on carbon, water and nutrient cycling in the Rocky Mountains
Chuixiang Yi, Daniel Ricciuto, Runze Li, John Wolbeck, Xiyan Xu, Mats Nilsson, John M. Frank, William J. Massman. 2010. Climate control of terrestrial carbon exchange across biomes and continents
William J. Massman, John M. Frank, Sacha J. Mooney. 2010. Advancing investigation and physical modeling of first-order fire effects on soils
D. R. Bowling, William J. Massman, S. M. Schaeffer, S. P. Burns, R. K. Monson, M. W. Williams. 2009. Biological and physical influences on the carbon isotope content of CO2 in a subalpine forest snowpack, Niwot Ridge, Colorado
J. D. Wilson, William J. Massman, G. E. Swaters. 2009. Dynamic response of the thermometric net radiometer
Edward G. Patton, Thomas W. Horst, Donald H. Lenschow, Peter P. Sullivan, Steven Oncley, Sean Burns, Alex Guenther, Andreas Held, Thomas Karl, Shane Mayor, Luciana Rizzo, Scott Spuler, Jielun Sun, Andrew Turnipseed, Eugene Allwine, Steven Edburg, Brian Lamb, Roni Avissar, Heidi E. Holder, Ron Calhoun, Jan Kleissl, William J. Massman, Kyaw Tha Paw U, Jeffrey C. Weil. 2008. The Canopy Horizontal Array Turbulence Study (CHATS)
Steven P. Oncley, William J. Massman, Edward G. Patton. 2008. Turbulent pressure fluctuations measured during CHATS
William J. Massman, A. Ibrom. 2008. Attenuation of concentration fluctuations of water vapor and other trace gases in turbulent tube flow
William J. Massman, John M. Frank, N. B. Reisch. 2008. Long-term impacts of prescribed burns on soil thermal conductivity and soil heating at a Colorado Rocky Mountain site: a data/model fusion study
P. Buker, L.D. Emberson, M. R. Ashmore, H. M. Cambridge, C. M. Jacobs, William J. Massman, J. Muller, Ned Nikolov, K. Novak, E. Oksanen, M. Schaub, D. de la Torre. 2007. Comparison of different stomatal conductance algorithms for ozone flux modelling
Aida E. Jimenez Esquilin, Mary E. Stromberger, William J. Massman, John M. Frank, Wayne D. Shepperd. 2007. Microbial community structure and activity in a Colorado Rocky Mountain forest soil scarred by slash pile burning
William J. Massman, J. M. Frank. 2006. Effects of controlled burns on the bulk density and thermal conductivity of soils at a southern Colorado site
G. Wieser, R. Matyssek, Robert C. Musselman, A. S. Lefohn, William J. Massman. 2006. Glossary: Definitions of relevancy for the 'flux concept' in ozone risk assessment
William J. Massman, J. -P. Tuovinen. 2006. An analysis and implications of alternative methods of deriving the density (WPL) terms for eddy covariance flux measurements
William J. Massman, J. M. Frank, A. E. Jimenez Esquilin, M. E. Stromberger, W. D. Shepperd. 2006. Long term consequences of a controlled slash burn and slash mastication to soil moisture and CO2 at a southern Colorado site
Heping Liu, James T. Randerson, Jamie Lindfors, William J. Massman, Thomas Foken. 2006. Consequences of incomplete surface energy balance closure for CO2 fluxes from open-path CO2/H2O infrared gas analyzers
L. D. Emberson, William J. Massman, P. Buker, G. Soja, I. Van De Sand, G. Mills, C. Jacobs. 2006. The development, evaluation, and application of O3 flux and flux-response models for additional agricultural crops
P. Buker, L. D. Emberson, M. R. Ashmore, G. Gerosa, C. Jacobs, William J. Massman, J. Muller, Ned Nikolov, K. Novak, E. Oksanen, D. De La Torre, J. -P. Tuovinen. 2006. Comparison of different stomatal conductance algorithms for ozone flux modelling [Proceedings]
Robert C. Musselman, Allen S. Lefohn, William J. Massman, Robert L. Heath. 2006. A critical review and analysis of the use of exposure- and flux-based ozone indices for predicting vegetation effects
William J. Massman. 2006. Advective transport of CO2 in permeable media induced by atmospheric pressure fluctuations: 1. An analytical model
William J. Massman, John M. Frank. 2006. Advective transport of CO2 in permeable media induced by atmospheric pressure fluctuations: 2. Observational evidence under snowpacks
Robert C. Musselman, William J. Massman, John M. Frank, John L. Korfmacher. 2005. The temporal dynamics of carbon dioxide under snow in a high elevation Rocky Mountain subalpine forest and meadow
Eugene S. Takle, William J. Massman, James R. Brandle, R. A. Schmidt, Xinhua Zhou, Irina V. Litvina, Rick Garcia, Geoffrey Doyle, Charles W. Rice. 2004. Influence of high-frequency ambient pressure pumping on carbon dioxide efflux from soil
William J. Massman. 2004. Toward an ozone standard to protect vegetation based on effective dose: A review of deposition resistances and a possible metric
William J. Massman, R. Clement. 2004. Uncertainty in eddy covariance flux estimates resulting from spectral attenuation [Chapter 4]
William J. Massman. 2004. Concerning the measurement of atmospheric trace gas fluxes with open- and closed-path eddy covariance systems: The density terms and spectral attenuation [Chapter 7]
William J. Massman, J. M. Frank. 2004. An in situ investigation of the influence of a controlled burn on the thermophysical properties of a dry soil
William J. Massman, John M. Frank. 2004. Effect of a controlled burn on the thermophysical properties of a dry soil using a new model of soil heat flow and a new high temperature heat flux sensor
Eugene S. Takle, James R. Brandle, R. A. Schmidt, Rick Garcia, Irina V. Litvina, William J. Massman, Xinhua Zhou, Geoffrey Doyle, Charles W. Rice. 2003. High-frequency pressure variations in the vicinity of a surface CO2 flux chamber
William J. Massman, J. Finnigan, D. Billesbach, S. Miller, A. Black, B. Amiro, B. Law, X. Lee, L. Mahrt, R. Dahlman, T. Foken. 2003. Summary and synthesis of recommendations of the AmeriFlux Workshop on standardization of flux analysis and diagnostics; Corvallis, Oregon; August 2002
William J. Massman, J. M. Frank, S. M. Massman, W. D. Shepperd. 2003. Performance of high temperature heat flux plates and soil moisture probes during controlled surface fires
William J. Massman, John M. Frank, W. D. Shepperd, M. J. Platten. 2003. In situ soil temperature and heat flux measurements during controlled surface burns at a southern Colorado forest site
William J. Massman, X. Lee. 2002. Eddy covariance flux corrections and uncertainties in long-term studies of carbon and energy exchanges
William J. Massman. 2001. Reply to comment by Rannik on "A simple method for estimating frequency response corrections for eddy covariance systems"
William J. Massman. 2000. A simple method for estimating frequency response corrections for eddy covariance systems
E. S. Takle, J. R. Brandle, R. A. Schmidt, R. Garcia, I. V. Litvina, G. Doyle, X. Zhou, Q. Hou, C. W. Rice, William J. Massman. 2000. Pressure pumping of carbon dioxide from soil
William J. Massman, R. A. Sommerfeld, A. R. Mosier, Karl Zeller, T.J . Hehn, S. G. Rochelle. 1997. A model investigation of turbulence-driven pressure-pumping effects on the rate of diffusion of CO2, N2O, and CH4 through layered snowpacks
Richard A. Sommerfeld, William J. Massman, Robert C. Musselman. 1996. Diffusional flux of CO2 through snow: Spatial and temporal variability among alpine-subalpine sites
William J. Massman, Richard Sommerfeld, Karl Zeller, Ted Hehn, Laura Hudnell, Shannon Rochelle. 1995. CO2 flux through a Wyoming seasonal snowpack: Diffusional and pressure pumping effects
Robert C. Musselman, Gene L. Wooldridge, William J. Massman, Richard A. Sommerfeld. 1995. Wind and ecosystem response at the GLEES

University of Wisconsin, Madison, Ph.D., Meteorology, 1978
University of Wisconsin, Madison, M.S., Meteorology, 1973
University of Wisconsin, Madison, M.S., Physics, 1970
University of Missouri, Columbia, B.S., Physics, 1969

Last updated March 10, 2026

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