Research projects conducted by the Department of Civil and Environmental Engineering has been sponsored by the National Science Foundation(NSF); National Aeronautics and Space Administration(NASA); U.S. Corps of Engineers(USAE); U.S. Geological Survey(USGS); U.S. Air Force(USAF); state, regional and local agencies; and private industries. Current faculty research projects and interests span a wide range of technical areas as described below; Coastal Engineering documented evidence of the impact of seawalls on adjacent beaches economic alternatives to increase the fill life of renourished beaches current effects on wave transformation in shallow water computer-aided design of coastal structures physics of breaking water waves on beaches coastal waves and current numerical modeling systems Environmental engineering particle removal and ozone in water treatment coagulation and organics removal environmental monitoring transport and fate of contaminants in lakes and reservoirs chemical equilibrium modeling water quality modeling dewatering of water treatment residuals water and wastewater process evaluation studies organic matter and disinfection by-product precursor characterization toxicity characterization of wastewater effluent and residuals disposal water quality assesment/management watershed-scale distributed parameter modeling of nonpoint source pollution particle and contaminant transport/fate modeling dewatering of dredged materials air pollution control hazardous waste management freeze drying of sludge surface and groundwater modeling water quality modeling and simulation GIS-based uni-directional flushing modeling DNAPL site characterization and remediation of superfund site GIS-based spatial/temporal environmental modeling & simulation GIS-based uni-directional flushing modeling engineering geographic information systems(GIS) application development Geotechnical and Earthquake Engineering below-and above-ground lifeline systems which are subjected to various seismic environments soil-structure interaction soil dynamics soil liquefaction during earthquakes granular mechanics soil liquefaction during earthquakes application of geographical information system (GIS) in earthquake engineering subbase stabilization with solid waste fly ash Structural Engineering polymer-fiber composite materials fiber reinforced concrete sub-base stabilization with solid waste fly ash base isolation and energy absorptions for bridges stability and behavior of steel structures passive damping of space structures parallel computing techniques in nonlinear structural mechanics fatigue fracture finite element analysis structural optimization parallel-vector algorithms for computational structural mechanics Water Resources Engineering surface and groundwater modeling urban stormwater management urban storm-drainage systems stormwater runoff from marine drydocks computational hydraulics stochastic/statistical hydrology channelized overland flow flood frequency analysis and flood routing transport and fate of contaminants in lakes and reservoirs water quality modeling GIS in water resources engineering GIS in large-scale modeling and simulation GIS-based spatial/temporal environmental modeling & simulation engineering geographic information systems(GIS) application development