Bios - Zhi

Research Interests

Environmental restoration of impaired watercourses and watersheds through sensor network-based monitoring, watershed-based modeling, and BMP-based controlling.

Environmental Fluid Mechanics: Mathematical modeling of pollutant dispersion and sediment transport in surface waters; development of wireless sensor station-networked water quality monitoring and assessment system; sediment pollution; water quality modeling; experimental studies of mixing and dispersion of turbulent jets and plumes using Particle Image Velocimetry (PIV) and Planar Laser-Induced Fluorescence (PLIF) technology; outfall diffuser design; and integration of mathematical simulation models with Geographic Information Systems (GIS).
Ecohydraulics: Design and restoration of river and stream ecosystems; uncertainty analysis of stream restoration; hydraulic geometry of natural rivers; ecological processes and their impacts on stream water quality; modeling of hyporheic and riparian exchange, contaminant attenuation capacity of hyporheic and riverbed sediments.
Watershed Management and Restoration: Fate and transport of sediment and diffuse source pollutants; impacts of land use changes on water quality, fluvial processes, and stream ecosystem; watershed modeling; low impact development and stormwater management; beach water quality modeling and forecasting; development and evaluation of TMDLs (Total Maximum Daily Loads) and BMPs (Best Management Practices).

Funded Research Projects

US EPA and Louisiana Department of Environmental Quality "Statistical Evaluation of the Effectiveness of BMPs in Improving Water Quality within the Mermentau and Vermilion-Teche River Basins." (PI) (Current)
USGS and Louisiana Water Resources Research Institute " Uncertainty-based TMDL Calculations for Dissolved Oxygen in Amite River." (PI) (Current)
Louisiana Board of Regents and LSU Graduate School "Development of Ex-situ Sensor System for Water Quality Monitoring." (PI) (Current)
Louisiana Transportation Research Center "First Flush Reactor for Stormwater Treatment for Elevated Linear Transportation Projects." (PI) (Current)
LSU Faculty Research Grant Program " PIV/PLIF-Aided Hydraulic Design of Multiport Intake and Outfall Diffusers." (PI) (Current)
The Planning Commission of the City of Baton Rouge and Parish of East Baton Rouge " Evaluation and Feasibility Study of Stormwater BMPs for East Baton Rouge Parish." (PI).
USGS and Louisiana Water Resources Research Institute "Scale-Dependent Behavior and Modeling of Nitrogen Retention in Streams." (PI)
USGS and Louisiana Water Resources Research Institute "Modeling Sediment-Controlled TMDLs for the Branched and Braided Networks of Waterways in Louisiana." (PI)
USGS and Louisiana Water Resources Research Institute "GIS-Aided Water Quality Monitoring and Assessment System for Lake Pontchartrain." (PI)

Education

Ph.D. in Water Resources Engineering, Lund University, Sweden, 2002
Dissertation: “Theoretical Investigation into Longitudinal Dispersion in Natural Rivers: A Scaling Dispersion Model”, published by KFS AB, Lund, Sweden, 2002
M.S. in Hydraulic Engineering, Wuhan University of Hydraulic & Electrical Engineering, China, 1988
B.S. in Hydraulic Engineering, Shihezi University, China, 1984

Professional Experience

2003-present	Assistant Professor, Dept. of Civil and Environmental Engineering, Louisiana State University
2002-2003	Postdoctoral Fellow, Dept. of Civil Engineering, University of Coimbra, Portugal
2000-2001	Visiting Scholar, Dept. of Civil and Environmental Engineering, Louisiana State University
1996-2000	Associate Professor, Dept. of Civil Engineering, Shihezi University, China
1994-1995	Visiting Scholar, La Division Hydrologie-Hydraulique, Cemagref de Lyon, France
1988-1994	Lecturer, Dept. of Civil Engineering, Shihezi University, China

Professional Society Memberships

American Society of Civil Engineers/ Environmental and Water Resources Institute
American Society of Civil Engineers/ Coasts, Oceans, Ports, and Rivers Institute
American Geophysical Union
International Association of Hydrological Sciences (IAHS)
International Association of Hydraulic Engineering and Research (IAHR)

Courses Taught

CE 2200 Fluid Mechanics
CE 2250 Fluid Mechanics Laboratory
CE 3200 Hydraulics
CE 7255 Advanced (Environmental) Hydraulics
CE 7701 Water Quality Modeling for TMDL development

Selected Journal Publications

20. Deng, Z.-Q., de Lima, João L.M.P., and Jung, H.-S. (2008). “Sediment Transport Rate-based Model for Rainfall-induced Soil Erosion.” Catena (in press).

19. Mishra, P. K. and Deng, Z.-Q. (2008). “Sediment TMDL development for the Amite River.” Water Resources Management, DOI: 10.1007/s11269-008-9302-4.

18. Deng, Z.-Q., J. L. M. P. de Lima, M. I. P. de Lima, and V. P. Singh (2006). “A fractional dispersion model for overland solute transport.” Water Resour. Res., 42(3), W03416, doi:10.1029/2005WR004146.

17. Deng, Z.-Q., Bengtsson, L., and Singh, V. P. (2006). “Parameter estimation for fractional dispersion model for rivers.” Environmental Fluid Mechanics, 6(5), 451-475, DOI : 10.1007/s10652-006-9004-5.

16. Deng, Z.-Q. , de Lima, J.L.M.P., and Singh, V. P. (2005). "Fractional kinetic model for first flush of stormwater pollutants." Journal of Environmental Engineering , ASCE, 131(2), 232-241

15. Deng, Z.-Q., João L.M.P. de Lima, and Singh, V. P. (2005). “Transport rate-based model for overland flow and solute transport: Parameter estimation and process simulation.” Journal of Hydrology, 315(1-4), 220-235

14. Deng, Z.-Q. , Singh, V. P., and Bengtsson, L. (2004). "Numerical solution of fractional advection-dispersion equation." Journal of Hydraulic Engineering , ASCE, 130(5), 422-431

13. Singh, V. P., Yang, C. T., and Deng, Z.-Q. (2003). “Downstream hydraulic geometry relations: 1. Theoretical development.” Water Resour. Res., 39(12), 1337

12. Singh, V. P., Yang, C. T., and Deng, Z.-Q. (2003). “Downstream hydraulic geometry relations: 2. Calibration and testing.” Water Resour. Res., 39(12), 1338

11. Singh, V. P. and Deng, Z.-Q. (2003). “Entropy-based parameter estimation for Kappa distribution.” Journal of Hydrologic Engineering, ASCE, 8(2), 81-92

10. Deng, Z.-Q., J. L. M. P. de Lima, M. I. P. de Lima. (2003). “Predicting transverse turbulent diffusivity in alluvial rivers.” Revista Engenharia Civil, Universidade do Minho, 16, 43-50

9. Deng, Z.-Q., Bengtsson, L., Singh, V. P., and Adrian, D. D. (2002) “Longitudinal dispersion coefficient in single-channel streams.” Journal of Hydraulic Engineering, ASCE, 128(10), 901-916

8. Deng, Z.-Q. and Singh, V. P.(2002), “Optimal channel pattern for environmentally sound training and management of alluvial rivers.” Ecological Modelling, ELSEVIER, 154(1-2), 61-74

7. Deng, Z.-Q. and Chu, J. D. (2002). "Research advances in sediment pollution in water environment." Advances in Science and Technology of Water Resources , 22(1), 56-59

6. Adrian, D. D., Singh, V. P., and Deng, Z.-Q. (2002). “Diffusion-based semi-infinite Fourier probability distribution.” Journal of Hydrologic Engineering, ASCE, 7(2), 154-167

5. Deng, Z.-Q., Singh, V. P., and Bengtsson, L. (2001), “Longitudinal dispersion coefficient in straight rivers.” Journal of Hydraulic Engineering, ASCE, 127(11), 919-927

4. Deng, Z.-Q. and Chu, J.D. (2001). “Longitudinal dispersion coefficient in natural rivers.” Advances in Water Science, 12(2), 137-142

3. Deng, Z.-Q. and Singh, V. P. (1999), “Mechanism and conditions for change in channel pattern.” Journal of Hydraulic Research, IAHR, 37(4), 1999, 465-478

2. Deng, Z.-Q. and Zhang, K. Q. (1994). “Morphologic equations based on the principle of maximum entropy.” International Journal of Sediment Research, 9(1), 31-46

1. Deng, Z.-Q. (1991). “A study on the retrogressive erosion of nonuniform bed load.” Journal of Sediment Research, 11(1), 75-80

Conference Proceedings and Presentations

Deng, Z.-Q., and Chowdhary, H. “Statistical Evaluation of BMP Effectiveness in Reducing Fecal Coliform Impairment in Mermentau River Basin.” World Environmental & Water Resources Congress 2008, May 12-16, 2008, Honolulu, Hawaii.

Patil, A. and Deng, Z.-Q. “Watershed Scale Variation in Water Quality in Lake Pontchartrain Basin.” World Environmental & Water Resources Congress 2008, May 12-16, 2008, Honolulu, Hawaii.

Deng, Z.-Q., and Chowdhary, H. “Statistical Evaluation of BMP Effectiveness in Reducing Stormwater Runoff-Induced Dissolved Oxygen Impairment in Mermentau River Basin.” The 7th Annual StormCon (the World's Largest Stormwater Pollution Prevention Conference), August 3-7, 2008, Orlando, Florida.

Deng, Z.-Q., and Jung, H.-S. “Scale-dependent dispersion in rivers.” The 32nd Congress of the International Association of Hydraulic Engineering and Research (IAHR), July 1 – 6, 2007, Venice, Italy.

Deng, Z.-Q., Morel, S., and Chowdhary, H. “Statistical Evaluation of BMP Effectiveness in Reducing Sediment Impairment in Mermentau River Basin.” The 2007 EWRI World Water and Environmental Resources Congress, May 15-19, 2007, Tampa, Florida.

Deng, Z.-Q., and Mishra, P. “Sediment TMDL Calculations for the Upper Amite River.” The 2006 AIH annual meeting / international conference on Challenges in Coastal Hydrology and Water Quality. Water Resources Publications, LLC, USA, 2006.

Deng, Z-Q., "Scaling dispersion model for pollutant transport in natural rivers." The 2005 EWRI World Water and Environmental Resources Congress, Anchorage, Alaska, May 15-19, 2005.

Deng, Z-Q., "Predicting longitudinal dispersion in rivers during floods." The first international conference on Environmental Science and Technology, New Orleans, January 23-26, 2005.

Deng, Z-Q., "Predicting longitudinal dispersion in rivers with compound channel." AGU 2004 Fall Meeting, San Francisco, December 13-17, 2004.

Deng, Z-Q., de Lima, J.L.M.P., de Lima, M.I.P., and Singh, V.P., “An overland flow fractional dispersion model for interrill solute transport”, the 1st General Assembly of the European Geosciences Union, Nice, France, April 25 – 30, 2004

Deng, Z.-Q., “Fractal Model for Passive Scalar Dispersion in Natural Media”, the first joint meeting of CAIMS (the 24th Annual Meeting of the Canadian Applied and Industrial Mathematics Society) and SIAM (2003 Annual Meeting of the Society of Industrial and Applied Mathematics), Montreal, Canada, June 15 – 20, 2003

Deng, Z.-Q. and Singh, V. P., “Fractal and chaotic characteristics of alluvial rivers.” In: Stochastic Hydraulics, Balkema, Rotterdam, 2000

Deng, Z.-Q. and Singh, V. P., “River environment changes in arid area.” In: Environmental Modeling, edited by V. P. Singh, I. W. Seo, and J. H. Sonu, Water Resources Publications, LLC, USA, 1999

Deng, Z.-Q. and Singh, V. P., “EST3 model for sustainable river management.” In: Proceedings of the International Symposium on Comprehensive Watershed Management, Patent Publisher, Beijing, China, 1998

Deng, Z.-Q. and Singh, V. P., “River harmonizing with environment and river training priorities.” In: River Sedimentation, Balkema, Rotterdam, 1998

Zhi-Qiang Deng

Biography