Kevin Tu | Publications



Fisher JB, F Melton, E Middleton, C Hain, M Anderson, R Allen, MF McCabe, S Hook, D Baldocchi, PA Townsend, A Kilic, K Tu, DD Miralles, J Perret, J-P Lagouarde, D Waliser, AJ Purdy, A French, D Schimel, JS Famiglietti, G Stephens, EF Wood. (2017), The future of evapotranspiration: Global requirements for ecosystem functioning, carbon and climate feedbacks, agricultural management, and water resources, Water Resour. Res., 53, 2618–2626, doi:10.1002/2016WR020175.


Badgley, G., Fisher, J.B., Jiménez, C., Tu, K.P., Vinukollu, R., 2015. On uncertainty in global terrestrial evapotranspiration estimates from choice of input forcing datasets. Journal of Hydrometeorology 16(4): 1449-1455.


Mallick, K., Jarvis, A.J, Boegh, E., Fisher, J.B., Drewry, D.T., Tu, K.P., Hook, S.J., Hulley, G., Ardö, J., Beringer, J., Arain, A., Niyogi, D., 2014. A Surface Temperature Initiated Closure (STIC) for surface energy balance fluxes. Remote Sensing of Environment 141: 243-261.


Mallick K, Jarvis A, Fisher JB, Tu KP, Boegh E, Niyogi D. 2013. Latent heat flux and canopy conductance based on Penman-Monteith, Priestley-Taylor equation and Bouchet’s complementary hypothesis: validation over multiple biomes. Journal of Hydrometeorology.

Marshall, M., K. Tu, C. Funk, J. Michaelsen, P. Williams, C. Williams, J. Ardö, B. Marie, B. Cappelaere, A. Grandcourt, A. Nickless, Y. Nouvellon, R. Scholes, and W. Kutsch. 2013. Improving operational land surface model canopy evapotranspiration in Africa using a direct remote sensing approach. Hydrology and Earth System Sciences,  17, 1079-1091, doi:10.5194/hess-17-1079-2013.

Polhamus A, Fisher JB, Tu KP. 2013. What controls the error structure in evapotranspiration models? Agriculture and Forest Meteorology, 169: 12-24.

Simonin KA, Roddy AB, Link P, Apodaca R, Tu KP, Hu J, Dawson TE, Barbour MM. 2013. Isotopic composition of transpiration and rates of change in leaf water isotopologue storage in response to environmental variables. Plant, Cell and Environment,  05/2013; DOI:10.1111/pce.1212.


Jiménez, C., Prigent, C., Mueller, B., Seneviratne, S.I., McCabe, M.F., Wood, E.F., Rossow, W.B., Balsamo, G., Betts, A.K., Dirmeyer, P.A., Fisher, J.B., Jung, M., Kanamitsu, M., Reichle, R.H., Reichstein, M., Rodell, M., Sheffield, J., Tu, K., Wang, K., 2011. Global intercomparison of 12 land surface heat flux estimates. Journal of Geophysical Research 116: D02102, doi:10.1029/2010JD014545.

Kahmen A, Sachse D, Arndt SK, Tu KP, Farrington H, Vitousek PM, Dawson TE. 2011. Cellulose δ18O is an index of atmospheric demand for water in tropical plants, Proceedings of the National Academy of Sciences, 108(5): 1981-1986.

Kodama N, Cousins A, Tu KP, Barbour MM. 2011. Spatial variation in photosynthetic carbon and isotope disctrimination along leaves of Triticale (Triticum*Secale) is caused by mesophyll conductance, related to leaf anatomy. Plant, Cell and Environment, 34(9): 1548-62

Fisher, J.B., Malhi, Y., de Araújo, A.C., Bonal, D., Gamo, M., Goulden, M.L., Hirano, T., Huete, A.R., Kondo, H., Kumagai, T., Loescher, H., Miller, S., Nobre, A.D., Nouvellon, Y., Oberbauer, S.F., Panuthai, S., von Randow, C., da Rocha, H.R., Roupsard, O., Saleska, S., Tanaka, K., Tanaka, N., Tu, K.P., 2009.  The land-atmosphere water flux in the tropics. Global Change Biology 15: 2694-2714. (Cover article).


Gu L, Pallardy SG, Tu KP, Law BE, Wullschleger SD. 2010. Reliable estimation of biochemical parameters from C3 leaf photosynthesis–intercellular carbon dioxide response curves, Plant, Cell and Environment 33, 1852–1874.


Mullin LP, Sillett SC, Koch GW, Tu KP, Antoine ME. 2009. Physiological consequences of height-related morphological variation in Sequoia sempervirens foliage, Tree Physiology, 29(8): 999-1010.

Kahmen A, Simonin K, Tu K, Goldsmith G, Dawson T. 2009. The influence of species and growing conditions on the 18-O enrichment of leaf water and its impact on 'effective path length'. New Phytologist, 184:619-630.


Leuning R., Y. Q. Zhang, A. Rajaud, H. Cleugh, K. Tu. 2008. A simple surface conductance model to estimate regional evaporation using MODIS leaf area index and the Penman-Monteith equation, Water Resour. Res., 44, W10419, doi:10.1029/2007WR006562.

Fisher JB and Tu KP, Baldocchi DD. 2008. Global estimates of the land-atmosphere water flux based on monthly AVHRR and ISLSCP-II data, validated at 16 FLUXNET sites. Remote Sensing of Environment, 112(3): 909-919.

Kahmen A, Simonin K, Tu KP, Merchant A, Callister A, Siegwolf R, Dawson TE, Arndt SK. 2008. Effects of environmental parameters, leaf physiological properties and leaf water relations on leaf water 18O enrichment in different Eucalyptus species, Plant, Cell and Environment, 31(6):738-751. (pdf).


Dawson TE, Burgess SSO, Tu KP, Oliveira RS, SantiagoLS, Fisher JB, Simonin KS, Ambrose AR. 2007. Nighttime transpiration in woody plants from contrasting ecosystems. Tree Physiology 27(4):561-575. (pdf)


Misson L, Tu KP, and Goldstein AH. 2006. Seasonality of photosynthetic parameters in a multi-specific and vertically complex forest ecosystem in the Sierra Nevada of California, Tree Physiology, 26:729-741. (pdf)


Dawson TE, Mambelli S, Plamboeck AH, Templer PH, Tu KP. 2002. Stable isotopes in plant ecology. Annual Review of Ecology and Systematics. 3:507–59.


Falge E, Baldocchi D, Olson R, Anthoni P, Aubinet M, Bernhofer Ch, Burba G, Ceulemans R, Clement R, Dolman H, Granier A, Gross P, Grünwald T, Hollinger D, Jenson N-O, Katul G, Keronen P, Kowalski A, Lai CT, Law B, Meyers T, Moncrief J, Moors EJ, Munger W, Pilegaard K, Rannik U, Rebmann C, Sukyer A, Tenhunen J, Tu K, Verma S, Vesala T, Wilson K, Wofsy S. 2001a. Gap filling strategies for defensible annual sums of net ecosystem exchange. Agricultural and Forest Meteorology, 107: 43-69.

Falge E, Baldocchi DD, Olson RJ, Anthoni P, Aubinet M, Bernhofer Ch, Burba G, Ceulemans R, Clement R, Dolman H, Granier A, Gross P, Grünwald Th, Hollinger D, Jensen N-O, Katul G, Keronen P, Kowalski A, Lai CT, Law BE, Meyers T, Moncrieff J, Moors E, Munger JW, Pilegaard K, Rannik Ü, Rebmann C, Suyker A, Tenhunen J, Tu K, Verma S, Vesala T, Wilson K, Wofsy S. 2001b. Gap filling strategies for long term energy flux data sets, a short communication. Agricultural and Forest Meteorology. 107: 71-77.

Tu KP, Brooks PD, Dawson TE. 2001. Using septum-capped vials with continuous-flow isotope ratio mass spectrometric analysis of atmospheric CO2 for Keeling plot applications. Rapid Communications in Mass Spectrometry, 15(12): 952-956.


Hollinger, DY, SM Goltz, EA Davidson, TJ Lee, K Tu, and HT Valentine. 1999. Seasonal patterns and environmental control of carbon dioxide and water vapor in an ecotonal boreal forest. Global Change Biology. 5(8):891-902.

Katul G, Hsieh C-I, Bowling D, Clark K, Shurpali N,Turnipseed A, Albertson J, Tu K, Hollinger D, Evans B, Offerle B, Anderson D, Ellsworth D, Vogel C, and Oren R. 1999. Spatial variability of turbulent fluxes in the roughness sub-layer of an even-aged pine forest. Boundary Layer Meteorology, 93:1-28.




Zeeman, M. J., K. P.Tu, and A.Knohl, 2011. Continuous operation of spectroscopy instruments for stable isotope analysis, Eos Trans. AGU, 92(25),211.


West, JB, GJ Bowen, TE Dawson, KP Tu (editors). 2010. Isoscapes: Understanding movement, pattern, and process on Earth through isotope mapping, 487 pgs. Springer, Dordrecht. ISBN 978-90-481-3353-6. 


Tu KP, Bowen G, Hemming D, Kahmen A, Knohl A, Lai C-T,and C Werner. 2007. Stable isotopes as indicators, tracers, and recorders of ecological change: Synthesis and outlook, In TE Dawson and R Siegwolf (eds.), Stable Isotopes as Indicators of Ecological Change, Elsevier Academic Press.


Tu KP and Dawson TE. 2005. Partitioning ecosystem respiration using stable isotope analyses of CO2, In LB Flanagan, JR Ehleringer, DE Pataki (eds.), Stable Isotopes and Biosphere-Atmosphere Interactions: Processes and Biological Controls, Elsevier Academic Press, San Diego.




Marshall, M.T., Tu, K.P., Thenkabail, P.S. and Brown, J.F. (2016). Recent decline in crop water productivity in the United States: a call to grow “more crop per drop”, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Marshall, M.T. and Tu, K.P. (2016). Simulating macro-scale crop yield using an optimized light-use efficiency model, American Geophysical Union, Fall Meeting, San Francisco, California, USA.


Marshall M and Tu K, 2015. Light- and water-use efficiency model synergy: a revised look at crop yield estimation for agricultural decision-making, American Geophysical Union, Fall Meeting, San Francisco, California, USA.


Verma, M.; Fisher, J. B.; Mallick, K.; Ryu, Y.; Tu, K. P.; Kobayashi, H.; Guillaume, A.; Moore, G.; Ramakrishnan, L.; Hendrix, V. 2014. Evaluating ET and Its Components from the CMIP5 Models with New Global Remote Sensing-Based Estimates, American Geophysical Union, Fall Meeting, San Francisco, California, USA.


Marshall MT, Tu K, Funk C, Michaelsen J., 2010. A Historical Record of Actual Evapotranspiration in Sub-Saharan Africa using Climate Reanalysis and Remote Sensing Data, 24th Conference on Hydrology, American Meteorological Society. 

Tu KP, 2010. An Ecophysiological Model for Remote Sensing of Gross Primary Productivity, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Tu KP. 2010. Satellite ecology: Linking physiology and remote sensing for the study of ecosystem structure and function, Sonoma State University Biology Colloquium. (Invited)


Apodaca, R. L.; Simonin, K. A.; Tu, K. P.; Cohen, R. C.; Dawson, T. E. 2009. The evolution of capturing reliable isotopic water vapor signatures: An intercomparison of measurement techniques, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Dawson, T. E.; Tu, K. P., 2009. Partitioning Respiration Between Plant and Microbial Sources Using Natural Abundance Stable Carbon Isotopes, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Fisher, J.B., Armanios, D., Tu, K.P., 2009. Global evapotranspiration from remote sensing driven by SRB, AIRS and MODIS, validated at 36 FLUXNET sites, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Fisher, J.B., Tu, K., Armanios, D., 2009. Global evapotranspiration from remote sensing. Joint 6th International GEWEX and 2nd iLEAPS Science Conference; iLEAPS ECSW Meeting; LandFlux Meeting. Melbourne, Australia.

Kahmen A., Sachse D., Arndt S. K., Tu  K. P., Vitousek P., Dawson T. E. 2009. The environmental signals that CAN and CANNOT be inferred from δ18O signals in plant cellulose, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Marshall, M. T.; Funk, C.; Tu, K. P.; Michaelsen, J. 2009. Combining Remote Sensing and Climate Reanalysis Data to Estimate Evapotranspiration in sub-Saharan Africa, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

McDowell N, Baldocchi D, Barbour M, Bickford C, Cuntz M, Hanson D, Knohl A, Powers H, Rahn T, Randerson J, Riley W, Still C, Tu KP, Walcroft A. 2008. Understanding the stable isotope composition of biosphere-atmosphere CO2 exchange, Eos Trans. AGU, 89, doi: 10.1029/2008EO100002.

Tu KP, 2009. Importance of Acclimation for Modeling Canopy Photosynthesis: LAI, Amax and Optimality, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Tu KP. 2009. On the relationship between Horton’s Index, Priestley-Taylor’s model and remote sensing of evapotranspiration, CUAHSI Synthesis Summer Institute Captsone Seminar, Vancouver, Canada. (Invited)


Tu KP, Knohl A, Mambelli S, Ma S, Baldocchi D, Dawson T. 2008. Observations and scaling of water use efficiency from leaf to globe. European Geophysical Union Meeting,Geophysical Research Abstracts, Vol. 10, EGU2008-A-07012.

Tu KP. 2008. Remote sensing of photosynthesis, evapotranspiration and water use efficiency, presented, Max Planck Institute for Biogeochemistry, Jena, Germany. (Invited)

Tu KP. 2008. Temporal dynamics of carbon isotope ratios in ecosystem respiration: From diurnal autotrophs to seasonal heterotrophs, Technical University of Munich, Freising, Germany. (Invited)

Tu KP. 2008. Satellite remote sensing of carbon isotope discrimination, presented, ETH Zurich, Switzerland. (Invited)

Tu KP. 2008. Using Optimality Principles to Predict Spatio-Temporal Patterns of Vegetation-Atmosphere Fluxes at Leaf to Global Scales, American Geophysical Union, Fall Meeting, San Francisco, California, USA.

Tu  K.P., Lai  C., Ehleringer  J., McDowell  N., Alstad  K., Griffis  T., Bowling  D., Wingate  L., Ogee  J., Burlett  R., Mortazavi  B., Knohl  A., Yakir  D., Dawson  T., Members  B. , 2008. BASIN Synthesis and Spatial Mapping of Keeling Plot Data Using an Artificial Neural Network, American Geophysical Union, Fall Meeting, San Francisco, California, USA.


Fisher, J.B., Malhi, Y., de Araújo, A.C., Bonal, D., da Rocha, H.R., Goulden, M.L., Hirano, T., Kumagai, T., Loescher, H., Miller, S.,Nobre, A.D., Oberbauer, S., Saleska, S., von Randow, C., Tu, K.P., 2007. The tropical land-atmosphere water flux: Measurements, models and controls for evapotranspiration in the Amazon. LBA-ECO 11th Science Team Meeting, Salvador, Bahia, Brazil.

Knohl, A.; Tu, K. P.; Boukili, V.; Brooks, P. D.; Mambelli, S.; Riley, W. J.; Dawson, T. E.; MIBA-Us Site Participants. 2007. MIBA-US: Temporal and Spatial Variation of Water Isotopes in Terrestrial Ecosystems Across the United States, American Geophysical Union, Fall Meeting.

Fisher, JB, Tu KP. 2007. Global trends in potential and actual evapotranspiration based on 20 years of satellite observations. Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract H34D-08.

Mambelli S, Tu KP, Knohl A, Ma S, Baldocchi DD, Dawson TE. 2007. Water use efficiency in a blue oak (Quercus douglasii) savanna – a combined analysis of stable isotopes and eddy covariance, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract B33D-1594.

Tu KP, Knohl A, Mambelli S, Ma S, Baldocchi D, Dawson T. 2007. Global remote sensing of water use efficiency: Initial test and application of a synergistic approach. Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract B33D-1597.


Tu KP and Dawson TE. 2006. BASIN - Biogeosphere-Atmosphere Stable Isotope Network. AmeriFlux Annual Meeting, Boulder, Colorado, USA.

Tu KP and Fisher JB. 2006. Remote sensing of the land-atmosphere water flux: Global validation using FLUXNET data. Proceedings of the 1st iLEAPS Science Conference, Boulder, Colorado, USA.

Tu KP, Massman WJ and Ham JM. 2006. Partitioning ET between plant and soil components using surface temperature and fractional vegetation cover. AmeriFlux Annual Meeting, Boulder, Colorado, USA.


Brenner RE, Tu KP, Dawson TE. 2005. Linking rainfall variability with the flux and (d13C) isotopic signature of ecosystem  respiration, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract B11A-0992.

Fisher JB and Tu KP. 2005. New global estimates of the land-atmosphere water flux: A fully remote sensing driven, flux site-validated ecophysiological model of evapotranspiration, 9th International Symposium on Physical Measurements and Signatures in Remote Sensing (ISPMSRS), Beijing, China.

Tolle G, J Polastre, R Szewczyk, DE Culler, N Turner, KP Tu, S Burgess, TE Dawson, P Buonadonna, D Gay, W Hong. 2005. A macroscope in the redwoods. SenSys 2005: 51-63.

Tu KP. 2005. Towards global estimates of the d18O-evapotranspiration flux: Implications of non-steady state isotopic enrichment of leaf water, presented at the BASIN Workshop, San Francisco, CA, USA.

Wood EF, MF McCabe, H Su, K Tu. 2005. Globally Distributed Evapotranspiration using Remote Sensing and CEOP Data. CEOP Phase 1 Achievements -- Presentations at CEOP/IGWCO Joint Meeting, Tokyo.


Dawson TE, Culler D, Tu KP, et al. 2004. Beyond the footprint: emerging technologies and FluxNetworks, FLUXNET 2004 Open Workshop, Firenze, Italy.

Dawson, T., Tu, K., Fisher, J.B., Baldocchi, D., 2004.  Partitioning Evaporation and Transpiration Using 18-0 of Water.  Biosphere Atmosphere Stable Isotope Network Meeting, Point Reyes, California, USA.

Dawson TE, Tu KP, Fisher J and Baldocchi D. 2004. Partitioning evaporation and transpiration using 18O of water, BASIN Workshop, Point Reyes, CA.

Fisher, J.B., Tu, KP., 2004.  Validation of MODIS-Derived Parameters with FLUXNET Measurements: Surface Temperature, Air Temperature, Fraction of Photosynthetically Absorbed Radiation, and Albedo. MODIS Vegetation Workshop II, Missoula, Montana, USA.

Su H, Wood EF, McCabe M and Tu KP. 2004. Model intercomparison of evapotranspiration estimation based on CEOP dataset, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract H13C-0440.

Tu KP and Fisher JB. 2004. Remote sensing of plant transpiration and soil evaporation using MODIS data, MODIS Vegetation Workshop II, Missoula, Montana.


Dawson TE, Baldocchi D and Tu KP. 2003. Merging eddy flux, stable isotopes, and ecosystem modeling, presented at the  Biosphere-Atmosphere Stable Isotope Network Workshop, Orvieto, Italy.

Tu KP and Dawson TE. 2003. Variation in 13C abundance in respiration from different ecosystem components: Implications for flux partitioning, Eos Trans. AGU, 84(46), Fall Meet. Suppl., AbstractB31E-0351.

Tu KP. 2003. On the use of relative humidity as an index of surface energy partitioning, Berkeley Atmospheric Sciences Symposium, Berkeley, California.


Tu KP. 2002. Assessing photosynthetic capacity from canopy biophysics: A test of a generalized model using eddy flux data, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract B12B-0826.

Tu KP and Dawson TE. 2002. Partitioning ecosystem respiration using stable carbon isotopes: a comparative approach, BASIN Workshop, Banff, Canada.


Tu KP, Dawson TE and Ponti F. 2001. Partitioning ecosystem respiration using stable carbon isotopes in a mixed annual grassland, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract B11A-04.


Tu KP. 2000. Plants, towers and gas: measurement and modeling of canopy CO2 exchange, presented at the University of Puget Sound Seminar Series. (Invited)


Tu KP and Munger B. 1997. AmeriFlux eddy covariance software intercomparison, AmeriFlux Annual Meeting, St. Louis, Missouri.