selected publications conference proceeding Turbulence statistics of a Kelvin-Helmholtz billow event observed in the night-time boundary layer during the Cooperative Atmosphere-Surface Exchange Study field program. Dynamics of Atmospheres and Oceans. 189-204. 2000 journal article Phenology of Photosynthesis in Winter-Dormant Temperate and Boreal Forests: Long-Term Observations From Flux Towers and Quantitative Evaluation of Phenology Models. Journal of Geophysical Research: Biogeosciences. 2024 Bark beetle impacts on forest evapotranspiration and its partitioning. Science of the Total Environment. 2023 Reply to Garen et al.: Within- canopy temperature data also do not support limited homeothermy. Proceedings of the National Academy of Sciences of USA. 2023 No evidence of canopy-scale leaf thermoregulation to cool leaves below air temperature across a range of forest ecosystems. Proceedings of the National Academy of Sciences of USA. 2022 Gross primary production (GPP) and red solar induced fluorescence (SIF) respond differently to light and seasonal environmental conditions in a subalpine conifer forest. Agricultural and Forest Meteorology. 2022 Coupling of Tree Growth and Photosynthetic Carbon Uptake Across Six North American Forests. Journal of Geophysical Research: Biogeosciences. 2022 Challenges and Capabilities in Estimating Snow Mass Intercepted in Conifer Canopies With Tree Sway Monitoring. Water Resources Research. 2022 Resolving temperature limitation on spring productivity in an evergreen conifer forest using a model-data fusion framework. Biogeosciences. 541-558. 2022 Seasonality in aerodynamic resistance across a range of North American ecosystems. Agricultural and Forest Meteorology. 2021 Implementation and Evaluation of a Unified Turbulence Parameterization Throughout the Canopy and Roughness Sublayer in Noah-MP Snow Simulations. Journal of Advances in Modeling Earth Systems. 2021 Integrating continuous atmospheric boundary layer and tower-based flux measurements to advance understanding of land-atmosphere interactions. Agricultural and Forest Meteorology. 2021 Challenges and Capabilities in Estimating Snow Mass Intercepted in Conifer Canopies with Tree Sway Monitoring 2021 Challenges and Capabilities in Estimating Snow Mass Intercepted in Conifer Canopies with Tree Sway Monitoring 2021 The effect of static pressure-wind covariance on vertical carbon dioxide exchange at a windy subalpine forest site. Agricultural and Forest Meteorology. 2021 Resolving temperature limitation on spring productivity in an evergreen conifer forest using a model-data fusion framework. Biogeosciences Discussions. 2021 Supplementary material to "Resolving temperature limitation on spring productivity in an evergreen conifer forest using a model-data fusion framework". Biogeosciences Discussions. 2021 Revisiting the Surface Energy Imbalance. Journal of Geophysical Research: Atmospheres. 2021 The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data (vol 7, 225, 2020). Scientific Data. 2021 Montane forest productivity across a semiarid climatic gradient. Global Change Biology. 6945-6958. 2020 Hillslope Hydrology Influences the Spatial and Temporal Patterns of Remotely Sensed Ecosystem Productivity. Water Resources Research. 2020 Decomposing reflectance spectra to track gross primary production in a subalpine evergreen forest. Biogeosciences. 4523-4544. 2020 Wide discrepancies in the magnitude and direction of modeled solar-induced chlorophyll fluorescence in response to light conditions. Biogeosciences. 3733-3755. 2020 The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data. Scientific Data. 2020 Decomposing reflectance spectra to track gross primary production in a subalpine evergreen forest 2020 Supplementary material to "Decomposing reflectance spectra to track gross primary production in a subalpine evergreen forest" 2020 The Community Land Model Version 5: Description of New Features, Benchmarking, and Impact of Forcing Uncertainty. Journal of Advances in Modeling Earth Systems. 4245-4287. 2019 Atmospheric Stability Effects on Wind Fields and Scalar Mixing Within and Just Above a Subalpine Forest in Sloping Terrain (vol 138, pg 231, 2011). Boundary-Layer Meteorology: an international journal of physical and biological processes in the atmospheric boundary layer. 481-484. 2019 Sustained Nonphotochemical Quenching Shapes the Seasonal Pattern of Solar-Induced Fluorescence at a High-Elevation Evergreen Forest. Journal of Geophysical Research: Biogeosciences. 2005-2020. 2019 Mechanistic evidence for tracking the seasonality of photosynthesis with solar-induced fluorescence. Proceedings of the National Academy of Sciences of USA. 11640-11645. 2019 The Impact of Biomass Heat Storage on the Canopy Energy Balance and Atmospheric Stability in the Community Land Model. Journal of Advances in Modeling Earth Systems. 83-98. 2019 Estimating Soil Respiration in a Subalpine Landscape Using Point, Terrain, Climate, and Greenness Data. Journal of Geophysical Research: Biogeosciences. 3231-3249. 2018 Temporal Dynamics of Aerodynamic Canopy Height Derived From Eddy Covariance Momentum Flux Data Across North American Flux Networks. Geophysical Research Letters. 9275-9287. 2018 Assessing the interplay between canopy energy balance and photosynthesis with cellulose δ18O: large-scale patterns and independent ground-truthing. Oecologia. 995-1007. 2018 Limitations to winter and spring photosynthesis of a Rocky Mountain subalpine forest. Agricultural and Forest Meteorology. 241-255. 2018 A Comparison of the Diel Cycle of Modeled and Measured Latent Heat Flux During the Warm Season in a Colorado Subalpine Forest. Journal of Advances in Modeling Earth Systems. 617-651. 2018 Climate controls over ecosystem metabolism: insights from a fifteen-year inductive artificial neural network synthesis for a subalpine forest. Oecologia. 25-41. 2017 The Niwot Ridge Subalpine Forest US-NR1 AmeriFlux site - Part 1: Data acquisition and site record-keeping. Geoscientific Instrumentation, Methods and Data Systems. 2016 Measuring spatiotemporal variation in snow optical grain size under a subalpine forest canopy using contact spectroscopy. Water Resources Research. 7513-7522. 2016 Earlier snowmelt reduces atmospheric carbon uptake in midlatitude subalpine forests. Geophysical Research Letters. 8160-8168. 2016 Convergent approaches to determine an ecosystem's transpiration fraction. Global Biogeochemical Cycles: an international journal of global change. 933-951. 2016 Terrestrial carbon balance in a drier world: the effects of water availability in southwestern North America. Global Change Biology. 1867-1879. 2016 Optimization of an enclosed gas analyzer sampling system for measuring eddy covariance fluxes of H2O and CO2. Atmospheric Measurement Techniques. 1341-1359. 2016 Fluxes of energy, water, and carbon dioxide from mountain ecosystems at Niwot Ridge, Colorado. Plant Ecology and Diversity. 663-676. 2015 The relative contributions of alpine and subalpine ecosystems to the water balance of a mountainous, headwater catchment. Hydrological Processes. 4794-4808. 2015 Greenness indices from digital cameras predict the timing and seasonal dynamics of canopy-scale photosynthesis. Ecological Applications. 99-115. 2015 The influence of warm-season precipitation on the diel cycle of the surface energy balance and carbon dioxide at a Colorado subalpine forest site. Biogeosciences. 7349-7377. 2015 Ecological processes dominate the C-13 land disequilibrium in a Rocky Mountain subalpine forest. Global Biogeochemical Cycles: an international journal of global change. 352-370. 2014 Snow Temperature Changes within a Seasonal Snowpack and Their Relationship to Turbulent Fluxes of Sensible and Latent Heat. Journal of Hydrometeorology. 117-142. 2014 Forecasting net ecosystem CO2 exchange in a subalpine forest using model data assimilation combined with simulated climate and weather generation. Journal of Geophysical Research: Biogeosciences. 549-565. 2013 Assessing filtering of mountaintop CO2 mole fractions for application to inverse models of biosphere-atmosphere carbon exchange. Atmospheric Chemistry and Physics. 2099-2115. 2012 Using sonic anemometer temperature to measure sensible heat flux in strong winds. Atmospheric Measurement Techniques. 2095-2111. 2012 Seasonal pattern of regional carbon balance in the central Rocky Mountains from surface and airborne measurements. Journal of Geophysical Research: Biogeosciences. 2011 THE CANOPY HORIZONTAL ARRAY TURBULENCE STUDY. Bulletin of the American Meteorological Society. 593-611. 2011 An interannual assessment of the relationship between the stable carbon isotopic composition of ecosystem respiration and climate in a high-elevation subalpine forest. Journal of Geophysical Research: Biogeosciences. 2011 Atmospheric Stability Effects on Wind Fields and Scalar Mixing Within and Just Above a Subalpine Forest in Sloping Terrain. Boundary-Layer Meteorology: an international journal of physical and biological processes in the atmospheric boundary layer. 231-262. 2011 Assessing net ecosystem carbon exchange of US terrestrial ecosystems by integrating eddy covariance flux measurements and satellite observations. Agricultural and Forest Meteorology. 60-69. 2011 Soil, plant, and transport influences on methane in a subalpine forest under high ultraviolet irradiance (vol 6, pg 1311, 2009). Biogeosciences. 851-851. 2011 Climate control of terrestrial carbon exchange across biomes and continents. Environmental Research Letters. 2010 A continuous measure of gross primary production for the conterminous United States derived from MODIS and AmeriFlux data. Remote Sensing of Environment: an interdisciplinary journal. 576-591. 2010 A MULTISCALE AND MULTIDISCIPLINARY INVESTIGATION OF ECOSYSTEM-ATMOSPHERE CO2 EXCHANGE OVER THE ROCKY MOUNTAINS OF COLORADO. Bulletin of the American Meteorological Society. 209-230. 2010 Longer growing seasons lead to less carbon sequestration by a subalpine forest. Global Change Biology. 771-783. 2010 Tree species effects on ecosystem water-use efficiency in a high-elevation, subalpine forest. Oecologia. 491-504. 2010 Modeling whole-tree carbon assimilation rate using observed transpiration rates and needle sugar carbon isotope ratios. New Phytologist. 1000-1015. 2010 Controls over ozone deposition to a high elevation subalpine forest. Agricultural and Forest Meteorology. 1447-1459. 2009 A comparison of water and carbon dioxide exchange at a windy alpine tundra and subalpine forest site near Niwot Ridge, Colorado. Biogeochemistry: an international journal. 61-76. 2009 Biological and physical influences on the carbon isotope content of CO2 in a subalpine forest snowpack, Niwot Ridge, Colorado. Biogeochemistry: an international journal. 37-59. 2009 Ecohydrological controls on snowmelt partitioning in mixed-conifer sub-alpine forests. Ecohydrology. 129-142. 2009 A Cable-Borne Tram for Atmospheric Measurements along Transects. Journal of Atmospheric and Oceanic Technology. 462-473. 2009 An Evaluation of Calibration Techniques for In Situ Carbon Dioxide Measurements Using a Programmable Portable Trace-Gas Measuring System. Journal of Atmospheric and Oceanic Technology. 291-316. 2009 A CABLE-BORNE TRAM FOR ATMOSPHERIC MEASUREMENTS ALONG TRANSECTS. Bulletin of the American Meteorological Society. 22-23. 2009 Soil, plant, and transport influences on methane in a subalpine forest under high ultraviolet irradiance. Biogeosciences. 1311-1324. 2009 Estimation of net ecosystem carbon exchange for the conterminous United States by combining MODIS and AmeriFlux data. Agricultural and Forest Meteorology. 1827-1847. 2008 The contribution of advective fluxes to net ecosystem exchange in a high-elevation, subalpine forest. Ecological Applications. 1379-1390. 2008 Partitioning net ecosystem carbon exchange and the carbon isotopic disequilibrium in a subalpine forest. Global Change Biology. 1785-1800. 2008 Canopy structure and atmospheric flows in relation to the δ13C of respired CO2 in a subalpine coniferous forest. Agricultural and Forest Meteorology. 592-605. 2008 Partitioning net ecosystem exchange of CO2:: A comparison of a Bayesian/isotope approach to environmental regression methods. Journal of Geophysical Research: Biogeosciences. 2007 CO2 transport over complex terrain. Agricultural and Forest Meteorology. 1-21. 2007 The contribution of beneath-snow soil respiration to total ecosystem respiration in a high-elevation, subalpine forest. Global Biogeochemical Cycles: an international journal of global change. 2006 Evaluation of remote sensing based terrestrial productivity from MODIS using regional tower eddy flux network observations. IEEE Transactions on Geoscience and Remote Sensing. 1908-1925. 2006 Winter forest soil respiration controlled by climate and microbial community composition. Nature. 711-714. 2006 Modeling and measuring the nocturnal drainage flow in a high-elevation, subalpine forest with complex terrain. Journal of Geophysical Research: Atmospheres. 2005 Climatic influences on net ecosystem CO2 exchange during the transition from wintertime carbon source to springtime carbon sink in a high-elevation, subalpine forest. Oecologia. 130-147. 2005 Extensive observations of CO2 carbon isotope content in and above a high-elevation subalpine forest -: art. no. GB3023. Global Biogeochemical Cycles: an international journal of global change. 2005 Measurement of directional wave spectra using aircraft laser altimeters. Journal of Atmospheric and Oceanic Technology. 869-885. 2005 Airflows and turbulent flux measurements in mountainous terrain Part 2: Mesoscale effects. Agricultural and Forest Meteorology. 187-205. 2004 A nonparametric method for separating photosynthesis and respiration components in CO2 flux measurements -: art. no. L17107. Geophysical Research Letters. 2004 Atmospheric disturbances that generate intermittent turbulence in nocturnal boundary layers. Boundary-Layer Meteorology: an international journal of physical and biological processes in the atmospheric boundary layer. 255-279. 2004 Heat balance in the nocturnal boundary layer during CASES-99. Journal of Applied Meteorology and Climatology. 1649-1666. 2003 An evaluation of bulk Ri-based surface layer flux formulas for stable and very stable conditions with intermittent turbulence. Journal of the Atmospheric Sciences. 2523-2537. 2003 A field intercomparison technique to improve the relative accuracy of longwave radiation measurements and an evaluation of CASES-99 pyrgeometer data quality. Journal of Atmospheric and Oceanic Technology. 348-361. 2003 Intermittent turbulence associated with a density current passage in the stable boundary layer. Boundary-Layer Meteorology: an international journal of physical and biological processes in the atmospheric boundary layer. 199-219. 2002 CASES-99: A comprehensive investigation of the stable nocturnal boundary layer. Bulletin of the American Meteorological Society. 555-581. 2002 Comparisons of aircraft, ship, and buoy radiation and SST measurements from TOGA COARE. Journal of Geophysical Research: Atmospheres. 15627-15652. 2000 Comparisons of aircraft, ship, and buoy meteorological measurements from TOGA COARE. Journal of Geophysical Research: Atmospheres. 30853-30883. 1999 Improved wind measurements on research aircraft. Journal of Atmospheric and Oceanic Technology. 860-875. 1999 Coupling of internal waves on the main thermocline to the diurnal surface layer and sea surface temperature during the Tropical Ocean Global Atmosphere Coupled Ocean-Atmosphere Response Experiment. Journal of Geophysical Research. 12613-12628. 1998 Measuring sea surface mean square slope with a 36-GHz scanning radar altimeter. Journal of Geophysical Research. 12587-12601. 1998 Observations of sea surface mean square slope under light wind during the Tropical Ocean Global Atmosphere Coupled Ocean-Atmosphere Response Experiment. Journal of Geophysical Research. 12603-12612. 1998