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Civil and Environmental Engineering Faculty

Dr. Heping Liu

Heping Liu



PACCAR 450, 2001 Grimes Way, Pullman, WA 99164-5845


(509) 335-1529


(509) 335-7632

Liu Group Website


  • Ph.D., 1997 – Peking University, China

Professional Experience

  • Professor, Civil & Environmental Engineering, Washington State University, Pullman, WA, 2019-
  • Associate Professor, Civil & Environmental Engineering, Washington State University, Pullman, WA, 2010-2019
  • Associate Professor, Jackson State University, Jackson, MS, 2009-2010
  • Assistant Professor, Jackson State University, Jackson, MS, 2004-2009
  • Postdoctoral Fellow, California Institute of Technology, Pasadena, CA, 2001-2003
  • Research Fellow/Temporary Lecturer, City University of Hong Kong, Hong Kong, 1999-2001
  • Postdoctoral Fellow, University of Bayreuth, Germany, 1997-1999


  • NSF CAREER Award, 2009
  • JSU CSET Outstanding Achievement Award in Research, 2008

Research Interests

  • Micrometeorology; Microclimatology; Boundary-Layer Meteorology
  • Biosphere-Atmosphere Interactions and Ecosystem-Climate Feedbacks

Professional Services

  • Chair of Agricultural and Forest Meteorology Committee, American Meteorological Society (2017-now)
  • Associate Editor: Journal of Geophysical Research – Atmospheres (2020-now)
  • Editor: Advances in Atmospheric Sciences (2009-now)
  • Editorial Board Member of the journal Agricultural and Forest Meteorology (2020-now)


  • Applied Meteorology (CE402/502)
  • Land-Surface Fluxes (CE506)
  • Statics (CE211)

Recent Publications

  • Ma, Y., Liu, T. Banerjee, G.G. Katul, C. Yi, E.R. Pardyjak (2020), The effects of canopy morphology on flow over a two‐dimensional isolated ridge. Journal of Geophysical Research: Atmospheres125(19),
  • Gao, Z., Liu, E. Arntzen, D.P. Mcfarland, X. Chen, M. Huang (2020), Uncertainties in turbulent statistics and fluxes of CO2 associated with density effect corrections. Geophysical Research Letters,
  • Gao, Z., Liu, X. Chen, M. Huang, J.E. Missik, J. Yao, E. Arntzen, D.P. Mcfarland (2020), Enlarged non‐closure of surface energy balance with increasing atmospheric instabilities linked to changes in coherent structures. Journal of Geophysical Research: Atmospheres,
  • Yao J., Liu, J. Huang, Z. Gao, G. Wang, D. Li, H. Yu, X. Chen (2020) Accelerated dryland expansion regulates future variability in dryland gross primary production. Nature Communications, 11:1665,
  • Zhu, B., M. Huang, Y. Cheng, X. Xie, Y. Liu, X. Zhang, G. Bisht, X. Chen, J. Missik, and Liu, (2020) Effects of irrigation on water, carbon, and nitrogen budgets in a semi‐arid watershed in the Pacific Northwest: A modelling study. Journal of Advances in Modeling Earth Systems,
  • Yusup, Y., Liu (2020), Effects of persistent wind speeds on turbulent fluxes in the water-atmosphere interface, Theoretical and Applied Climatology, DOI: 10.1007/s00704-019-03084-4.
  • Liu, Z., S. Cao, Liu, X. Hua, T. Ishihara (2019), Effects of Reynolds number in the range from 1.6×103 to 1.6×106 on the flow fields in tornado-like vortices by LES: A systematical study, Journal of Wind Engineering & Industrial Aerodynamics,
  • Ma, Y., Liu, Z. Liu, C. Yi, B. Lamb (2019), Influence of forest-edge flows on scalar transport with different vertical distributions of foliage and scalar sources, Boundary-Layer Meteorology, 1-19,
  • Ma, Y., Liu (2019), An advanced multiple‐layer canopy model in the Weather Research and Forecasting (WRF) model with large‐eddy simulations to simulate canopy flows and scalar transport under different stability conditions, Journal of Advances in Modeling Earth Systems,
  • Lan, C., Liu, G.G. Katul, D. Li, D. Finn (2019), Large eddies regulate turbulent flux gradients in coupled stable boundary layers. Geophysical Research Letters, doi/10.1029/2019GL082228.
  • Gao, Z., Liu, J.E.C. Missik, M. Huang, X. Chen, E. Arntzen, D.P. Mcfarland (2019), Mechanistic links between underestimated CO2 fluxes and non-closure of the surface energy balance in a semi-arid sagebrush ecosystem, Environmental Research Letters,
  • Missik, J. E. C., Liu, Z. Gao, M. Huang, X. Chen, E. Arntzen, D.P. Mcfarland, H. Ren, P.S. Titzler, J.N. Thomle, A. Goldman (2019), Groundwater‐river water exchange enhances growing season evapotranspiration and carbon uptake in a semi‐arid riparian ecosystem, Journal of Geophysical Research: Biogeosciences,
  • Liu, Z., S. Cao, Liu, T. Ishihara (2019), Large-eddy simulations of the flow over an isolated three-dimensional hill, Boundary-Layer Meteorology,
  • Finn, D., R.G. Eckman, Z. Gao, Liu (2018), Mechanisms for wind direction changes in the very stable boundary layer. Journal of Applied Meteorology and Climatology,
  • Lan, C., Liu, D. Li, G.G. Katul, D. Finn (2018), Distinct turbulence structures in stably stratified boundary layers with weak and strong surface shear. Journal of Geophysical Research: Atmospheres, 123.
  • Li, D., G.G. Katul, and Liu (2018), Intrinsic constraints on asymmetric turbulent transport of scalars within the constant‐flux layer of the lower atmosphere. Geophysical Research Letters. doi: 10.1002/2018gl077021
  • Liu, Z., Liu, S. Cao (2018) Numerical study of the structure and dynamics of a tornado at the sub-critical vortex breakdown stage. Journal of Wind Engineering and Industrial Aerodynamics, 177, 306–326.
  • Finn, D., R. G. Carter, R. M. Eckman, J. D. Rich, Z. Gao, Liu (2018) Plume dispersion in low-wind-speed conditions during Project Sagebrush Phase 2, with emphasis on concentration variability, Boundary-Layer Meteorology,
  • Zhou, Y., D. Li, Liu, X. Li (2018) Diurnal variations of the flux imbalance over homogeneous and heterogeneous landscapes, Boundary-Layer Meteorology,
  • Gao, Z., Liu, D. Li, G.G. Katul, & P.D. Blanken (2018), Enhanced temperature‐humidity similarity caused by entrainment processes with increased wind shear. Journal of Geophysical Research: Atmospheres, 123.
  • Liu, H. , and G. G. Katul (2018), Biometeorology – From agricultural origins to a last frontier in physics, Agricultural and Forest Meteorology,
  • Russell, E. S., Liu, H. Thistle, B. Strom, M. Greer, & B. Lamb, (2018), Effects of thinning a forest stand on sub-canopy turbulence. Agricultural and Forest Meteorology, 248, 295-305.
  • Russell E. S., Liu, and B. Lamb (2017), Wavelet spectra within a forest sub-canopy under different wind directions and stabilities, Journal of Geophysical Research – Atmospheres, 122, doi:10.1002/2017JD026817.
  • Ma, Y. and Liu (2017) Large-eddy simulations of atmospheric flows over complex terrain using the immersed-boundary method in the Weather Research and Forecasting model, Boundary-Layer Meteorology,
  • Gao, Z., E. S., Russell, J. E. C., Missik, M., Huang, X., Chen, C. E., Strickland, R., Clayton, E., Arntzen, Y., Ma, and Liu (2017), A novel approach to evaluate soil heat flux calculation: An analytical review of nine methods, Journal of Geophysical Research – Atmospheres, 122, doi:10.1002/2017JD027160.
  • Kutter, E., C. Yi, G. Hendrey, Liu, T. Eaton, and W. Ni-Meister (2017), Recirculation over complex terrain, Journal of Geophysical Research – Atmospheres, 122, doi:10.1002/2016JD026409.
  • Katul, G., and Liu (2017), A Kolmogorov-Brutsaert structure function model for evaporation into a turbulent Atmosphere, Water Resources Research, DOI:10.1002/2016WR020006.
  • Li, D., A. Rigden, G. Salvucci, and Liu (2017), Reconciling the Reynolds number dependence of scalar roughness length and laminar resistance, Geophysical Research Letters, 44, doi:10.1002/2017GL072864.
  • Gao Z., Liu, G. G. Katul and T. Foken (2017), Non-closure of the surface energy balance explained by phase difference between vertical velocity and scalars of large atmospheric eddies, Environmental Research Letters, 12(3), 034025, doi:10.1088/1748-9326/aa625b.
  • Foken T., A. Serafimovich, F. Eder, J. Hübner, Z. Gao, and Liu (2017), Interaction forest–clearing. In: Foken T (ed.), Energy and Matter Fluxes of a Spruce Forest Ecosystem, Ecological Studies Vol. 229. Springer, Cham, 309-329. (Book chapter)
  • Katul, G., and Liu (2017), Multiple mechanisms generate a universal scaling with dissipation for the air-water gas transfer velocity, Geophysical Research Letters, 44, doi:10.1002/2016GL072256.
  • VanReken, T.M., R.S. Dhammapala, B.T. Jobson, C.L. Herring, G.S. VanderSchelden, S.D. Kaspari, Z. Gao, Q. Zhu, B.K. Lamb, Liu, and J. Johnston (2017), Role of persistent low-level clouds in mitigating air quality impacts of wintertime cold pool conditions. Atmospheric Environment, 154, 236–246.