University of California, Riverside

Environmental Sciences



Laosheng Wu


Laosheng Wu

Laosheng Wu Photo

Professor of Soil Physics
CE Water Management Specialist

Academic Degrees:

  • Ph.D., University of Minnesota, 1991
  • MS, Oregon State University, 1987
  • BS, Zhejiang University, Hangzhou, China, 1982

Specialization:

  • Measurement and modeling water and solute transport in field soil and water systems; Development of best management practices to maximize water and fertilizer use efficiency and minimize surface and ground water pollution; Water quality and management; Interaction between soil physical, hydrological, and chemical properties; soil salinity; and reclaimed wastewater reuse.

Research Group:

Representative Publications:

  • Bai, Y.; Scott, T. A.; Chen, W.; Graham, R. C.; Wu, L.; Chang, A. C.; Lund, L. J., Soil Temperature Regimes of the Mojave Desert. Soil Science 2010, 175, (8), 398-404.
  • Chen, W.; Hou, Z.; Wu, L.; Liang, Y.; Wei, C., Effects of salinity and nitrogen on cotton growth in rid environment. Plant and Soil 2010, 326, (1-2), 61-73.
  • Chen, W.; Hou, Z.; Wu, L.; Liang, Y.; Wei, C., Evaluating salinity distribution in soil irrigated with saline water in arid regions of northwest China. Agricultural Water Management 2010, 97, (12), 2001-2008.
  • Guo, T.; Wang, Q.; Li, D.; Wu, L., Sediment and solute transport on soil slope under simultaneous influence of rainfall impact and scouring flow. Hydrological Processes 2010, 24, (11), 1446-1454.
  • Li, H.; Li, R.; Zhu, H.; Wu, L., Influence of Electrostatic Field from Soil Particle Surfaces on Ion Adsorption-Diffusion. Soil Science Society of America Journal 2010, 74, (4), 1129-1138.
  • Wu, L.; Green, R.; Klein, G.; Hartin, J. S.; Burger, D. W., Nitrogen Source and Rate Influence on Tall Fescue Quality and Nitrate Leaching in a Southern California Lawn. Agronomy Journal 2010, 102, (1), 31-38.
  • Xiong, H.; Li, H.; Chen, W.; Xu, J.; Wu, L., Application of the Cluster-Cluster Aggregation model to an open system. Journal of Colloid and Interface Science 2010, 344, (1), 37-43.
  • Xu, J.; Wu, L.; Chang, A. C.; Zhang, Y., Impact of long-term reclaimed wastewater irrigation on agricultural soils: A preliminary assessment. Journal of Hazardous Materials 2010, 183, (1-3), 780-786.
  • Xu, J.; Wu, L.; Chen, W.; Chang, A. C., Leaching Potential of Nonsteroidal Anti-Inflammatory Drugs in Soils. Environmental Toxicology and Chemistry 2010, 29, (4), 800-807.
  • Zhao, C.; Yan, Y.; Yimamu, Y.; Li, J.; Zhao, Z.; Wu, L., Effects of soil moisture on cotton root length density and yield under drip irrigation with plastic mulch in Aksu Oasis farmland. Journal of Arid Land 2010, 2, (4), 243-249.
  • Li, H.; Hou, J.; Liu, X.; Li, R.; Zhu, H.; Wu, L., Combined Determination of Specific Surface Area and Surface Charge Properties of Charged Particles from a Single Experiment. Soil Science Society of America Journal 2011, 75, (6), 2128-2135.
  • Li, R.; Li, H.; Xu, C.; Liu, X.; Tian, R.; Zhu, H.; Wu, L., Analytical models for describing cation adsorption/desorption kinetics as considering the electrostatic field from surface charges of particles. Colloids and Surfaces a-Physicochemical and Engineering Aspects 2011, 392, (1), 55-66.
  • Li, R.; Li, H.; Zhu, H.; Wu, L., Kinetics of cation adsorption on charged soil mineral as strong electrostatic force presence or absence. Journal of Soils and Sediments 2011, 11, (1), 53-61.
  • Ma, B.; Xu, M.; Wang, J.; Chen, H.; He, Y.; Wu, L.; Wang, H.; Xu, J., Adsorption of polycyclic aromatic hydrocarbons (PAHs) on Rhizopus oryzae cell walls: Application of cosolvent models for validating the cell wall-water partition coefficient. Bioresource Technology 2011, 102, (22), 10542-10547.
  • Shi, X.; Wu, L.; Chen, W.; Wang, Q., Solute Transfer from the Soil Surface to Overland Flow: A Review. Soil Science Society of America Journal 2011, 75, (4), 1214-1225.
  • Yu, Y.; Wu, L., Comparison of four extraction methods for the analysis of pharmaceuticals in wastewater. Journal of Chromatography A 2011, 1218, (18), 2483-2489.
  • Ma, B.; Wang, J.; Xu, M.; He, Y.; Wang, H.; Wu, L.; Xu, J., Evaluation of dissipation gradients of polycyclic aromatic hydrocarbons in rice rhizosphere utilizing a sequential extraction procedure. Environmental Pollution (Barking, Essex : 1987) 2012, 162, 413-21.
  • Wang, P.; Wang, H.; Wu, L.; Di, H.; He, Y.; Xu, J., Influence of black carbon addition on phenanthrene dissipation and microbial community structure in soil. Environmental Pollution (Barking, Essex : 1987) 2012, 161, 121-7.
  • Yu, Y.; Wu, L., Analysis of endocrine disrupting compounds, pharmaceuticals and personal care products in sewage sludge by gas chromatography-mass spectrometry. Talanta 2012, 89, 258-63.

Courses Taught:

  • SLSC 107 - Soil Physics (Spring Quarter)
  • SWSC 127- Fate and Transport of Contaminants in Soil (Co-taught)
  • SWSC 101 - Water Resources (Winter Quarter)

Graduate Program Affiliations and Research Focus Areas:

Appointments

  • 1991-1994: Postdoctoral Research Associate, Department of Soil Science, University of Minnesota, MN
  • 1994-2001: Assistant Professor, Dept. of Environmental Sciences, University of California, Riverside
  • 2001-2005: Associate Professor, Dept. of Environmental Sciences, University of California, Riverside
  • 2005-present: Professor, Dept. of Environmental Sciences, University of California, Riverside
  • 2002-2007: Associate Director of the Center for Water Resources, University of California
  • 2008.2-2009.6: Interim Director of the Center for Water Resources, University of California

Synergistic Activities

  • Honors and Awards
    • Fellow, The American Society of Agronomy, 2009;
    • Fellow, Soil Science Society of America, 2010;
    • Fellow, The American Association for the Advancement of Science, 2010;
    • USDA Certificate of Appreciation Award: contributions to the 2003, Integrated Water Quality Program;
    • USDA Certificate of Appreciation Award: contributions to the 2004, Integrated Water Quality Program.
  • Membership
    • Agronomy Society of America, 1987-present;
    • Soil Science Society of America, 1987-present;
    • Phi Kappa Phi Honor Society since 1986;
    • Gamma Sigma Delta Agricultural Honor Society, University of California, Riverside Chapter.
  • Services
    • Two terms of Associate Editor, Div. S-1, Soil Science Society of America Journal. Jan. 2002- Dec. 2007;
    • Chair, Western Regional Soil Physics Research Committee (W1188), 1998;
    • Water Quality Workgroup Chair, Div. of Agricultural and Natural Resources, University of California, 2002;
    • Research Advisory Committee member: Westside Research and Extension Center, University of California, 2002-2004;
    • Research Advisory Committee member: UC South-cost Research and Extension Center, University of California, 2004-present;
    • Member Dean’s Cooperative Extension Advisory Committee, College of Agriculture and Natural Resources;
    • Chair of the Dean’s Cooperative Extension Advisory Committee, College of Agriculture and Natural Resources;
    • Research Advisory Committee member: UC Desert Research and Extension Center, University of California, 2013-;
    • Member: UC Agriculture and Natural Resources Strategic Initiative Panel for Water, 2013-

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University of California, Riverside
900 University Ave.
Riverside, CA 92521
Tel: (951) 827-1012

Department Information

Enviromental Sciences
Geology 2258

Tel: (951) 827-5116
Fax: (951) 827-3993

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