Clark C.K. Liu
Professor Emeritus of Civil and Environmental Engineering
Office: Holmes 383
Phone: (808) 956-7658

Areas of Specialty and Research Interest

Hydrology/hydraulics, Water resources engineering, Environmental fluid mechanics, Desalination and water purification, Deep ocean water utilization and open ocean mariculture


  • Ph.D., Civil and Environmental Engineering, Cornell University 1976
  • M.S., Civil Engineering, University of Mississippi 1969
  • B.S., Bioenvironmental Systems Engineering, National Taiwan University1966

Professional Registration

  • Registered Professional Engineer (PE), New York State


  • Professor Emeritus, Department of Civil and Environmental Engineering, University of Hawaii at Manoa, 2012-present
  • Chair Professor, Sichuan University, Chengdu, China 2013-15
  • Visiting Professor, School of Environment and Energy, Peking University 2013-15
  • Assistant Professor/Associate Professor/ Professor, Department of Civil and Environmental Engineering, University of Hawaii at Manoa, 1980-present
  • Program Director for Environmental Engineering, National Science Foundation (NSF), 2008-09
  • Visiting Professor, National Taiwan University, 1987, 2002
  • Adjunct Research Associate, East-West Center, Environment & Policy Institute, 1986-87.
  • Associate Professor, Nanyang Technological University, Singapore, 1984-85.
  • Senior  Engineer// Senior Research Scientist, New York State Department of Environmental Conservation, 1970-80.

Professional Activities

  • Member, US Environmental Protection Agency National Workgroup on the Verification of Water Quality Models (1979).
  • Member, Governor’s Task Force on Groundwater Contamination and Hawaii Department of Agriculture’s study on the movement and persistence of agricultural chemicals in soil (1983).
  • Member, North China Water Project (1987-88).
    (Jointly sponsored by the East West Center, USA and the State Science and Technology Commission, China)
  • Technical Advisor, Taiwan Environmental Protection Administration Workgroup on water Quality Assessment of Tansui River in Northern Taiwan (1988-89).
  • Co-Chair (with Prof. M. Takahashi of Tokyo University), US-Japan Cooperative Workshop in Ocean Engineering Research-Technical Session on Artificial Upwelling, Kona, Hawaii (1990).
  • Member, Graduate Council, University of Hawaii at Manoa, (1991-94)
  • Member, State of Hawaii Board of Certification of Operating Personnel in Wastewater Treatment Facilities, State of Hawaii (1992-95).
  • Technical Advisor, Industrial Technology Research Institute (ITRI),Hsin-Chu, Taiwan (1994-95).
  • Co-Chair (with Prof. N. Liang of National Taiwan University), US-Taiwan Joint Workshop on Deep Ocean Water and Ocean Resources Development (1995)
  • Member, Council on Program Reviews (CORP), University of Hawaii at Manoa (2000-03)
  • Principal Investigator (with Prof. J. Park of Hangyang University), US-Korea cooperative Research on Wind-Powered Water Desalination (2003-05)
  • Keynote Speaker, 17th Mainland-Taiwan Environmental Protection Conference, Kunming, China (December 2015)
  • Member, Program Assessment Committee of Bioenvironmental Systems Engineering, National Taiwan University (2015-16)
  • Member of the Editorial Board, Journal of Environmental Sciences (2015-17)

Awards and Honors

  • Fellow, American Society of Civil Engineers (1999)
  • Engineer of Distinction Award, University of Mississippi  (2009)

Research Grants

  1. Liu, C.C.K. (P.I.) ‘Determination of the Relationship between Biodiversity and the Trophic Status of Wahiawā Reservoir ‘, funded by US Geological Survey (USGS), March 1, 2010 – February 28, 2011.
  2. Liu, C.C.K. (P.I.) ‘Survey and Modeling Analysis of MS4 Highway Storm Runoff on Oahu, Hawaii’ funded by Hawaii Department of Transportation, September 1, 2008 – August 31, 2010.
  3. Liu, C.C.K. (P.I.) ‘Modeling and Drainage Design for the Kaloi Gulch Watershed in Southern Oahu’ funded by R.M. Towill Corporation, May 15, 2007- December 31, 2008.
  4. Liu, C.C.K. (P.I.) ‘Hydrologic Analysis of Hawaii Watersheds for Flood Control and Environmental Conservation’, funded by US Geological Survey (USGS), March 1, 2006 – February 28, 2008.
  5. Liu, C.C.K. (P.I.) ‘Analytical Groundwater Flow and Transport Modeling for the Estimation of Sustainable Yield of Pearl Harbor Aquifer’, funded by Hawaii Commission on Water Resources, May 1, 2004 – December 31, 2005.
  6. Liu, C.C.K. (P.I.) ‘Wind-powered Reverse Osmosis Water Desalination for Pacific Islands and Remote Coastal Communities’, funded by US Bureau of Reclamation (USBR), October 1, 2004 – September 30, 2005.
  7. Liu, C.C.K. (P.I.) ‘Artificial Upwelling and Mixing, Phase II’, funded by National Science Foundation (NSF), January 1996 – February 2001.
  8. Takahashi, K.T. (P.I.) and Liu, C.C.K. (Co-P.I.) ‘U.S. – Taiwan Joint Seminar: Deep Ocean Water and Ocean Resources Development’, funded by National Science Foundation (NSF), July 1994 – June 1997.
  9. Liu, C.C.K. (P.I.) ‘Development and Testing of a Wave-Driven Artificial Upwelling Device’, funded by National Science Foundation (NSF), January 1992 – December 1995.
  10. Liu, C.C.K. (P.I.) and Loague, K. (Co-P.I.) ‘Compatibility of Physically Based and Linear System Solute Transport Modeling Approaches and Their Conjunctive Application’, funded by U.S. Geological Survey (USGS), August 1987 – August 1990.
  11. Green, R.E. (P.I.) and Liu, C.C.K. (Co-P.I.) ‘Pesticide Mobility Assessment Methodology for Agricultural Soils Contributing Recharge to Groundwater in Hawaii’, funded by U.S. Environmental Protection Agency (EPA), June 1984 – July 1987.
  12. Liu, C.C.K. (P.I.) ‘Modeling Analysis of Pesticide Transport in Soils of Kunia Area in Central Oahu, Hawaii’, funded by U.S. Environmental Protection Agency (EPA), August 1981 – August 1983.

Selected Publications

Prof. Liu is the author or coauthor of more than 100 scientific publications. The following is a partial list of refereed journal articles.

  1. Fan, W., Pan, Y., Liu, C.C.K., Wiltshire, J.C., Chen, C.A., and Chen, Y. (2015). Hydrodynamic design of deep ocean water discharge for the creation of a nutrient-rich plume in the South China Sea, Ocean Engineering, Vol. 108, pp. 356-368.
  2. Liu, C.C.K. (2013). Renewable-Energy-Driven reverse osmosis system for water desalination and aquaculture production, Integrative Agriculture, 12, No.8, pp. 1357-1362.
  3. Zhang, Q.T., Xia Q., Liu, C.C.K. and Shu, G. (2013). Technologies for Efficient Use of Irrigation Water and Energy in China, Integrative Agriculture, 12, No.8, pp.1363-1370.
  4. Liu, C.C.K. and Dai, J. (2012). Seawater intrusion and sustainable yield of basal aquifers, Journal of the American Association of Water Resources (AWRA), Vol.48, No.5, pp.861-870.
  5. Liu, C.C.K., Xia, W. and Park, J.W., (2006). A Wind-driven Reverse Osmosis System for Wastewater Reuse and Nutrient Recovery, Desalination, Vol. 202, pp.24-30.
  6. Liu, C.C.K., Ice, C., Levy, J.K., and Moncur, J. (2005). Institution, Policies, and Technologies for sustainable Watershed Management in the Asia-Pacific, Water Resources Impact,American Water Resources Association, Vol.7, No.2, pp.6-9.
  7. Qin, G., Liu, C.C.K., Richman, N.H. and Moncur, J.E.T. (2005). Aquaculture Wastewater Treatment and Reuse by Wind-driven Reverse Osmosis Membrane Technology: A Pilot Study on Coconut Island, Hawaii, Aquaculture Engineering, 32, pp.365-378.
  8. Liu, C.C.K., Sou, I.M., and Lin, H. (2003). Artificial upwelling and near-field mixing of a nutrient-rich deep-ocean water plume, Marine Environmental Engineering,7, No.1, pp.1-14.
  9. Park, S. and Liu, C.C.K. (2003). Experiment and Simulation of a Wind-driven Reverse Osmosis Desalination System, Water Engineering Research,4, No.1, pp. 1-17.
  10. Liu, C.C.K., Park, J.W., Migita, R. and Qing, G. (2002). Prototype Experiments of a Wind-Driven Reverse Osmosis Desalination System, Desalination, Vol. 150, No. 3, pp. 277-287.
  11. Cho, H., Park, J. and Liu, C.C.K. (2002). Effects of Molecular Structures on the Solubility Enhancement of Hydrophobic Organic Compounds by Environmental Amphiphiles, Environmental Toxicology & Chemistry, 21, No. 5, pp. 999-1003.
  12. Liu, C.C.K. Migita, R. and Park, J.W. (2002). System Development and Testing of Wind-powered Reverse Osmosis Desalination for Remote Pacific Islands, Water Science & Technology,2, No. 2, pp. 123-129.
  13. Cheng, A.H., Liu, C.C.K., Shen, H., Teng, M., and Wang, H.W. (2002). Fluid mechanics – An essential part of an environmental Engineering curriculum, ASCE Journal of Professional Issues in Engineering Education and Practice,American Society of Civil Engineers), Vol. 128, No.4, pp. 201-205.
  14. Liu, C.C.K. Dai, J., Lin., H. and Guo, F. (1999). Hydrodynamic Performance of Wave-Driven Artificial Upwelling, ASCE Journal of Engineering Mechanics,American Society of Civil Engineers, Vol.125, No.7, pp.728-932.