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 Estimating Soil Respiration in a Subalpine Landscape Using Point, Terrain, Climate, and Greenness Data. Journal of Geophysical Research: Biogeosciences. 3231-3249. 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. 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 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. 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. 2011 Atmospheric Stability Effects on Wind Fields and Scalar Mixing Within and Just Above a Subalpine Forest in Sloping Terrain. Boundary-Layer Meteorology. 231-262. 2011 Assessing net ecosystem carbon exchange of U.S. 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 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 Biological and physical influences on the carbon isotope content of CO2 in a subalpine forest snowpack, Niwot Ridge, Colorado. Biogeochemistry. 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 delta C-13 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. 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: New biology. 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. Global Biogeochemical Cycles. 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. Geophysical Research Letters. 2004 Atmospheric disturbances that generate intermittent turbulence in nocturnal boundary layers. Boundary-Layer Meteorology. 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. 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