- Current observations
Christoph K. Thomas
Associate Professor, Atmospheric Sciences
Adjunct Assoc. Professor, Forest Ecosystems & Society
Head of the bmM group
Office: Burt Hall 308
Phone: (+1) 541-737-7690
Fax: (+1) 541-737-2064
Email: chthomas (at) coas.oregonstate.edu
PhD, Micrometeorology, University of Bayreuth, Bayreuth, Germany. 2005
MS, Geoecology (micrometeorology, hydrology), University of Bayreuth, Bayreuth, Germany. 2001
Near-surface motion in the nocturnal, stable boundary layer observed with fibre-optic distributed temperature sensing. Boundary- Layer Meterology. online first. 2014.
Observations of the scale-dependent turbulence and evaluation of the flux–gradient relationship for sensible heat for a closed Douglas-fir canopy in very weak wind conditions. Atmospheric Chemistry and Physics. 14:9665–9676.. 2014.
Some aspects of the turbulence kinetic energy and fluxes above and beneath a tall open pine forest canopy. Agric. For. Meteorol.. 181:143–151.. 2013.
An effective, economic, aspirated radiation shield for air temperature observations and its spatial gradients. J. Atmos. Ocean. Technol.. 30:526–537.. 2013.
Generation of weak mixing for very stable and weak-wind conditions. Boundary-Layer Meteorol.. :inpress.. 2013.
Concurrency of coherent structures and conditionally sampled daytime sub-canopy respiration. Boundary-Layer Meteorology. :10.1007/s10546-012-9745-2.. 2012.
High-resolution ﬁbre-optic temperature sensing: A new tool to study the two-dimensional structure of atmospheric surface layer ﬂow. Boundary-Layer Meteorol.. 142:177-192.. 2012.
Five years of carbon fluxes and inherent water-use efficiency at two semi-arid pine forests with different disturbance histories. Tellus B. :DOI:10.3402/tellusb.v64i0.17159.. 2012.
Variability of subcanopy flow, temperature, and horizontal advection in moderately complex terrain. Boundary-Layer Meteorology. 139:61-81.. 2011.
Shade Estimation Over Streams Using Distributed Temperature Sensing. Water Resourc. Res.. 47:W07601.. 2011.
Vertical and horizontal transport of energy and matter by coherent motions in a tall spruce canopy. Boundary-Layer Meteorol.. :DOI10.1007/s10546-011-9619-z.. 2011.
Reply to the comment on Vickers et al. (2009): Self-correlation between assimilation and respiration resulting from flux partitioning of eddy-covariance CO2 fluxes. Agricultural and Forest Meteorology. 150:315-317.. 2010.
Coherent structures and flux contribution over an inhomogeneously irrigated cotton field. Theoretical and Applied Climatology. 103:119-131.. 2010.
Assessing FPAR source and parameter optimization scheme in application of a diagnostic carbon flux model. Remote Sensing of Environment. 113:1529-1539.. 2009.
Carbon Sinks. Ocean & Air.. 2009.
Random and systematic CO2 flux sampling errors for tower measurements over forests in the convective boundary layer. Agricultural and Forest Meteorology. 149:73-83.. 2009.
Seasonal hydrology explains inter-annual and seasonal variation in carbon and water exchange in a semi-arid mature Ponderosa Pine forest in Central Oregon. Journal of Geophysical Research-Biogeosciences. 114, G04006:doi:10.1029/2009JG001010.. 2009.
Self-correlation between assimilation and respiration resulting from flux partitioning of eddy-covariance CO2 fluxes. Agricultural and Forest Meteorology. :1552-1555.. 2009.
Space-time structure of mesoscale modes in the stable boundary layer. Quarterly Journal of the Royal Meteorological Society. 135:67-75.. 2009.
Estimating daytime subcanopy respiration from conditional sampling methods applied to multi-scalar high frequency turbulence time series. Agricultural and Forest Meteorology. 148:1210-1229.. 2008.
Why productivity of Douglas-fir is higher in New Zealand than in its native range. Forest Ecology & Management. 255:4040-4046.. 2008.
Flux contribution of coherent structures and its implications for the exchange of energy and matter in a tall spruce canopy. Boundary-Layer Meteorology. 123:317-337.. 2007.
On the effect of clearcuts on forest canopy fluxes. Theoretical and Applied Climatology. 88:133-137.. 2007.
Organised motion in a tall spruce canopy: temporal scales, structure spacing and terrain effects. Boundary-Layer Meteorology. 122:123-147.. 2007.
Sensitivity of Lagrangian Stochastic footprints to turbulence statistics. Tellus Series B - Chemical and Physical Meteorology. 59:577-586.. 2007.
Analysis of low-frequency turbulence above tall vegetation using a Doppler sodar. Boundary-Layer Meteorology. 119:563-587.. 2006.
Innovative gap-filling strategy for annual sums of CO2 net ecosystem exchange. Agricultural and Forest Meteorology. 138:5-18.. 2006.
Scalar similarity for relaxed eddy accumulation methods. Boundary-Layer Meteorol.. :39-63.. 2006.
Some aspects of the energy balance closure problem. Atmospheric Chemistry and Physics. 6:4395–4402.. 2006.
Detection of Long-term Coherent Exchange over Spruce Forest Using Wavelet Analysis. Theoretical and Applied Climatology. 80:91-104.. 2005.
Detection of coherent structures in high frequent time series of a monostatic Sodar-Rass system. 12th International Symposium on Acoustic Remote Sensing, Addendum. :43-46.. 2004.
Turbulent exchange processes in and above tall vegetation. 16th Symposium on Boundary Layers and Turbulence. :(ext.abstractavailableonCDandfromwww.ametsoc.org).. 2004.
Re-evaluation of Integral Turbulence Characteristics and their Parameterisations. 15th Symposium on Boundary Layers and Turbulence. :129-132.. 2002.