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Lianhong Gu Terrestrial Water - Carbon Cycles Group Environmental Sciences Division Oak Ridge National Laboratory Oak Ridge, TN 37831-6335 Phone:  (865)241-5925 Fax:  (865)574-2232 lianhong-gu@ornl.gov

Background/Education

Education

• PhD, Environmental Sciences, University of Virginia, Charlottesville, Virginia, 1998. Dissertation Title: Modeling Biophysical Exchanges and Micrometeorology in Soil- Vegetation-Atmosphere Continuums - Results from a Two-Story Boreal Aspen Forest. Advisor: Prof. Hank H. Shugart
• MSc, Ecology, Chinese Academy of Sciences, Beijing, China, 1989. Thesis Title: Modeling Succession and Regeneration of the Mixed Fir - Korean Pine Forest in Changbaishan Biosphere Reserve. Advisor: Prof. Hanxi Yang
• BSc, Physics, Xuzhou Teacher’s College, Xuzhou, China, 1986.

Employment

• Research Staff Scientist, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 2002 - present.
• Associate Specialist (FLUXNET Project Scientist), University of California at Berkeley, Department of Environmental Sciences, Policy and Management, Berkeley, California, 2000 - 2002.
• Research Associate, University of Virginia, Department of Environmental Sciences, Charlottesville, Virginia, 1998 – 2000.
• Graduate Research Assistant / PhD Candidate, University of Virginia, Department of Environmental Sciences, Charlottesville, Virginia, 1995 – 1998.
• Graduate Research Assistant, University of Maine at Orono, Department of Forest Ecosystem Science, Orono, Maine, 1994 – 1995.
• Research Assistant Professor, Chinese Academy of Sciences, Commission for Integrated Survey of Natural Resources, Beijing, China, 1992 – 1994.
• Research Associate, Chinese Academy of Sciences, Commission for Integrated Survey of Natural Resources, Beijing, China, 1989 – 1992.
• trong>Graduate Research Assistant, Chinese Academy of Sciences, Commission for Integrated Survey of Natural Resources, Beijing, China, 1986 – 1989.

Technical Skills

Proficient in UNIX and Windows operating systems, C, C++ and Fortran. Knowledgeable in a number of environmental and meteorological instrumentation such as portable photosynthesis systems, soil chambers, CO2 gas analyzer, sonic and cup anemometers, hygrometers, radiometers, spectro-radiometers, infrared thermometers, leaf area meters, data loggers, etc. Familiar with the structure and operation of eddy covariance flux tower systems. Solid knowledge of numerical analysis and statistics. Working knowledge of various software such as MatLab, SigmaPlot, Microsoft Office. Good experience in large dataset management and utilization. Knowledgeable in solar power systems, electrical and electronic circuit analyses.

Awards/Honors  [ Top ]

• Featured in NASA Science Top Story News Release on December 10, 2001 (http://www.gsfc.nasa.gov/topstory/20011210co2absorb.html) and in the March 2002 issue of Geotimes Magazine.
• Outstanding Graduate Student in Ecology, Department of Environmental Sciences, University of Virginia, 1997.
• Dean’s Reserve Fellowship, Graduate School of Arts and Sciences, University of Virginia, 1996.
• DuPont Fellowship, Graduate School of Arts and Sciences, University of Virginia, 1997.
• Departmental Mini-Grant, Department of Environmental Sciences, University of Virginia, 1997.
• Natural Science Award (Third Place), Chinese Academy of Sciences, 1997.

Research Interests  [ Top ]

• Modeling and field studies of carbon, water and energy exchanges between terrestrial ecosystems and atmosphere
• Effects of clouds, aerosols and volcanoes on terrestrial ecosystem productivity
• Influences of phenology on carbon, water and energy exchanges, Modeling of phenology
• Remote sensing of terrestrial ecosystem productivity
• Modeling radiative and scalar transfer in plant canopies
• Process-based models for forest management

Professional Affiliation and Academic Services  [ Top ]

• Member of American Geophysical Union.
• Member of Ecological Society of America.
• Referee for several national and international journals including BioScience, Global Change Biology, Global Biogeochemical Cycles, Agricultural and Forest Meteorology, Geophysical Research Letters, Journal of Geophysical Research, etc. Fluxnet Special Issue Editor for Agricultural and Forest Meteorology. Convener of AGU 2001 Fall Meeting special session.

Publications  [ Top ]

Refereed

• Gu, L., D. D. Baldocchi, S. C. Wofsy, J. W. Munger, J. J. Michalsky, and T. A. Boden, 2002. Response of a deciduous forest to the Mt. Pinatubo eruption: Enhanced photosynthesis”. Science (submitted).
• Gu, L., and D.D. Baldocchi. 2002. Foreword to the Fluxnet Special Issue. Agricultural and Forest Meteorology (in press).
• Baldocchi, D. D., Wilson, K and Gu, L., 2002. Influences of structural and functional complexity on carbon, water and energy fluxes of temperate broadleaved deciduous forests, Tree Physiology (in press).
• Law, B.E., Falge, E., Gu, L., Baldocchi, D., Bakwin, P., Berbigier, P., Davis, K.J., Dolman, H., Falk, M., Fuentes, J., Goldstein, A.H., Granier, A, Grelle, A., Hollinger, D., Janssens, I., Jarvis, P., Jensen, N.O. Katul,G., Malhi,Y., Matteucci, G., Monson,R., Munger, JW, Oechel,W., Olson, R., Pilegaard, K, Paw U, KT, Thorgeirsson, H, Valentini, R., Verma, S. Vesala, T., Wilson, K, and Wofsy,S. 2002. Carbon dioxide and water vapor exchange of terrestrial vegetation in response to environment, Agricultural and Forest Meteorology (in press).
• Gu, L., D.D. Baldocchi, S. B. Verma, T. A. Black, T. Vesala, E. M. Falge, and P.R. Dowty. 2002. Advantages of diffuse radiation for terrestrial ecosystem productivity. Journal of Geophysical Research 107(D6), DOI 10.1029/2001JD001242.
• Gu, L., D. D. Baldocchi, R. Valentini and R. D. Olson, 2001, FLUXNET integrates studies of terrestrial biosphere – atmosphere exchanges of carbon dioxide, water and energy, Joint BAHC-GEWEX newsletter, GEWEX News 11 (2), 15-17.
• Baldocchi, DD, Falge, E, Gu, L., R. Olson, D. Hollinger, S. Running, P. Anthoni, Ch. Bernhofer, K. Davis, J. Fuentes, A. Goldstein, G. Katul, B. Law, X. Lee, Y. Malhi, T. Meyers, J.W. Munger, W. Oechel, K. Pilegaard, H.P. Schmid, R. Valentini, S. Verma, T. Vesala, K. Wilson and S. Wofsy. 2001. FLUXNET: A New Tool to Study the Temporal and Spatial Variability of Ecosystem-Scale Carbon Dioxide, Water Vapor and Energy Flux Densities, Bulletin of the American Meteorological Society, 82, 2415-2434.
• Gu, L., J. D. Fuentes, M. Garstang, J.T. da Silva, R. Heitz, J. Sigler, and H. H. Shugart, 2001. Cloud modulation of surface solar irradiance at a pasture site in southern Brazil, Agricultural and Forest Meteorology, 106, 117-129.
• Gu, L., D. D. Baldocchi, and N. Kiang, 2000. FLUXNET evaluates ‘breathing’ patterns of diverse ecosystems, EOS Transactions of American Geophysical Union, 81 (47), 565, 570, Nov. 21.
• Fuentes, J.D., M. Lerdau, R. Atkinson, D. Baldocchi, J. W. Bottenheim, P. Ciccioli, B. Lamb, C. Geron, L. Gu, A. Guenther, T. D. Sharkey, W. Stockwell, 2000. Biogenic hydrocarbons in the atmospheric boundary layer: a review, Bulletin of the American Meteorological Society, 81, 1537-1576.
• Gu, L., J. D. Fuentes, H. H. Shugart, R. M. Staebler, and T. A. Black, T.A., 1999. Responses of net ecosystem exchanges of carbon dioxide to changes in cloudiness: results from two North American deciduous forests, J. Geophys. Res., 104, 31421-31434.
• Gu, L., H.H. Shugart, J.D. Fuentes, T.A. Black and S.R. Shewchuk, 1999. Micrometeorology, biophysical exchanges and NEE decomposition in a two-story boreal forest - Development and test of an integrated model, Agricultural and Forest Meteorology, 94, 123-148.
• Fuentes, J.D., D. Wang and L. Gu, 1998. Seasonal variations in isoprene emissions from a boreal aspen forest, Journal of Applied Meteorology 38, 855-869.
• Gu, L., 1998. Comments on ‘A practical method for relating scalar concentrations to source distributions in vegetation canopies’ by M.R. Raupach, Boundary-Layer Meteorology, 87, 515-524.
• Maguire, D.A., J.C. Brissette and L. Gu, 1998. Crown structure and growth efficiency of red spruce in uneven-aged, mixed-species stands in Maine, Canadian Journal of Forest Research, 28, 1233-1240.
• Han, S., L. Gu, B. Wang and J. Liu, 1992. Instantaneous state modeling of stemflow process, Chinese Journal of Applied Ecology 3(3):207-214.
• Gu, L., 1992. A gradient design method for agroforestry experiments, Proceedings of International Conference on Agroforestry in Nanjing, China, pp. 91-102.
• Gu, L., 1991. The mystery of phyllotaxis, Journal of Nature (in Chinese) 14(3): 213 - 217.

Conference Proceedings and Reports

• Gu, L., D.D. Baldocchi, S. B. Verma, T. A. Black, and T. Vesala. 2002. Impacts of clouds on GPP and ecosystem respiration of contrasting terrestrial ecosystem. 25th Conference on Agricultural and Forest Meteorology, American Meteorological Society, 20-24 May 2002, Norfolk, Virginia.
• Gu, L., Baldocchi, D.D. and N. Kiang, 2000. Report on the Fluxnet 2000 Synthesis Workshop, 11 – 14 June, Marconi Conference Center, Marshall, CA. Presented to workshop attendees and NASA.
• Gu, L., Baldocchi, D.D. and E.M. Falge, 2000. Impacts of clouds on ecosystem carbon dioxide exchange, 24th Conference on Agricultural and Forest Meteorology, American Meteorological Society, 14-18 August 2000, Davis, California, Preprinted Volume, 197-198.
• Gu, L., J. D. Fuentes, M. Garstang, R. Heitz and J. Sigler. The clouds-induced bimodal characteristics and enhancement of surface irradiance as observed over a Brazilian grassland, 17th Conference on Hydrology, Preprinted Volume.
• Gu, L. and J. D. Fuentes, 1998. Inferring isoprene source in plant canopies from ambient concentration measurements. Progress Report to Department of the Environment Air Toxics Laboratory, Ontario, Canada.
• Gu, L., Shugart, H.H. and J.D. Fuentes, 1998. An integrated modeling approach to study mass and energy exchanges in the soil-vegetation-atmosphere continuum, 23rd Conference on Agricultural and Forest Meteorology, American Meteorological Society, Preprinted Volume, 148-151.
• Fuentes, J.D., L. Gu and D. Wang, 1998. Inferring the source strength of biogenic hydrocarbons from ambient concentrations, 23rd Conference on Agricultural and Forest Meteorology, American Meteorological Society, Preprinted Volume, 167-170.
• Fuentes, J.D., D. Wang, and L. Gu, 1997. Assessing uncertainties in isoprene emissions using data from a pristine boreal forest as a case study, Workshop on Biogenic Hydrocarbons in the Atmospheric Boundary Layer, American Meteorological Society, Preprinted Volume, pp. 40-43.

Book Chapters

• Gu, L., 1994. Ecological principles of agroforestry systems. In: W. Li and L. Shi (eds.), Agroforestry Systems in China, China Forestry Press, Beijing, China.
• Gu, L., 1994. Structures of agroforestry systems in China. In: W. Li and L. Shi (eds.), Agroforestry Systems in China, China Forestry Press, Beijing, China.
• Gu, L., 1994. Dynamic analysis of agroforestry systems. In: W. Li and L. Shi (eds.), Agroforestry Systems in China, China Forestry Press, Beijing, China.

Presentations and Lectures

• Gu, L. and T. A. Boden, 2002. Statistical u* correction: findings and implications. Will be presented in the annual U.S. Department of Energy Ameriflux Meeting on 22 Oct., 2002 in Boulder, CO.
• Gu, L., W. M. Post, A. King, and T. A. Boden, 2002. Data assimilation/driver-domain integration for scaling up carbon fluxes. Will be presented in the annual U.S. Department of Energy Ameriflux Meeting on 22 Oct., 2002 in Boulder, CO.
• Gu, L., W. M. Post, and D. D. Baldocchi, 2002. Radiative effects of volcanic aerosols and clouds on terrestrial photosynthesis. Will be presented in the special session of Carbon Cycle Science: The North American Carbon Program, American Geophysical Union Fall Meeting in San Francisco, 6-10 Dec., 2002.
• Gu, L., D.D. Baldocchi, S. B. Verma, T. A. Black, and T. Vesala. 2002. Detecting Mt. Pinatubo signal from flux measurements. 25th Conference on Agricultural and Forest Meteorology, American Meteorological Society, 20-24 May 2002, Norfolk, Virginia.
• Gu, L. and D. D. Baldocchi, MODLAND Fluxnet Synthesis - 2001, MODIS Science Team Meeting, Baltimore, Dec. 17, 2001.
• Gu, L. and D. D. Baldocchi, Roles of clouds, aerosols and volcanoes in global carbon cycle, AGU 2001 Fall Meeting, San Francisco, Dec. 14, 2001.
• Gu, L., Cloud influences on carbon dioxide fluxes, Ameriflux Meeting, Oct. 31 – Nov. 1, 2001, Argonne National Laboratory, Illinois.
• Gu, L., Report on the International Workshop on Phenology and CO2 and Water and Energy, Hyytiälä, Finland, Ameriflux Meeting, Oct. 31 – Nov. 1, 2001, Argonne National Laboratory, Illinois.
• Gu, L. and D. D. Baldocchi, Roles of clouds, aerosols and volcanoes in global carbon cycle, Dept. of Energy Carbon Science Team Meeting, Oct. 29 – 31, 2001, Argonne National Laboratory, Illinois.
• Gu, L., L. Xu, M. Xu, D. D. Baldocchi, Springtime photosynthesis and respiration, International Workshop on Phenology and CO2 and H2O Fluxes, 3 – 5 September 2001, Hyytiälä Forestry Field Station, Hyytiälä, Finland.
• Gu, L. Too much CO₂ in the atmosphere: can volcanoes help? Berkeley Atmospheric Science Center (BASC), 14 March 2001, University of California at Berkeley, CA, USA.
• Gu, L., Baldocchi, D.D., Falge, E.M. and R.J. Olson. Fluxnet: providing foundations for remote sensing studies of global primary production, MODIS Land Validation Annual Review Meeting, 22-23 January 2001, Columbia, Maryland.
• Gu, L., Baldocchi, D.D., Falge, E.M. and R.J. Olson. Lessons learned from Fluxnet dataset analyses, International Workshop for Advanced Flux Network and Flux Evaluation, 27-29 September 2000, Sapporo, Japan.
• Gu, L., Baldocchi, D.D., and E. M. Falge. Impacts of clouds on ecosystem carbon dioxide exchange, 24th Conference on Agricultural and Forest Meteorology, American Meteorological Society, 14-18 August 2001, Davis, CA, USA.
• Gu, L. A PDF analysis of tower carbon dioxide flux measurements. Fluxnet 2000 Synthesis Workshop, 11-14 June 2000, Marconi Conference Center, Marshall, CA, USA.
• Gu, L., J. D. Fuentes, M. Garstang, R. Heitz and J. Sigler. The clouds-induced bimodal characteristics and enhancement of surface irradiance as observed over a Brazilian grassland, 17th Conference on Hydrology, 9-14 January 2000, Long Beach Convention Center, Long Beach, CA, USA.
• Gu, L. and P. Dowty. Modeling exchanges of energy and mass between the savannas and atmosphere - challenges and strategies, invited by International Land-Atmosphere-Biosphere Interactions Workshop, National Science Foundation, 11-18 July, 1998, Blydepoort, Mpumalanga, South Africa.
• Gu, L., H. H. Shugart and J. D. Fuentes. An integrated modeling approach to study mass and energy exchanges in the soil-vegetation-atmosphere continuum, accepted for 23rd Conference on Agricultural and Forest Meteorology, American Meteorological Society, 2-7 November 1998, Albuquerque, New Mexico.
• Fuentes, J.D., H.H. Neumann, X. Lee., R. Staebler and L. Gu. Long-term flux measurements at the Borden forest, FLUXNET Meeting, 3-5 June, 1998, Polson, Montana.
• Gu, L., H. H. Shugart and J. D. Fuentes. Effects of gradients in air temperature, water vapor partial pressure, and CO₂ concentration on forest canopy fluxes: a distributed modeling approach, GCTE-LUCC Open Science Conference on Global Change, 14-18 March, 1998, Barcelona, Spain.
• Gu, L., H. H. Shugart and J. D. Fuentes. A flexible distributed canopy process model (FLEM) - Exploring the relationship between profiles and fluxes, American Geophysical Union Fall Meeting, 8-12 December 1997, San Francisco, California.
• Fuentes, J.D., D. Wang and L. Gu. Assessing uncertainties in isoprene emissions using data from a pristine boreal forest as a case study, American Meteorological Society Workshop on Biogenic Hydrocarbons in the Atmospheric Boundary Layer, 24-27 August, 1997, Charlottesville, Virginia.
• Gu, L. A gradient design method for agroforestry experiments, International Conference on Agroforestry, 27 April - 1 May, 1992, Nanjing, China.

Resumé  [ Top ]

September 2005