EWR Faculty Research Interests and Activities
The Environmental and Water Resources Engineering Program offers research opportunities in a broad range of environmental and water resources areas. Below is a list of faculty members and their research interests and activities.
Dr. Gregory Boardman
Research interests: Water and wastewater treatment; industrial waste management; environmental toxicology.
1. Use of alternative substrates for biological denitrification
2. Characterization of solids and liquids from hydraulic fracturing operations
3. Production and treatment of gases generated by biological digestion processes
4. Physicochemical and biological treatment of industrial wastes
5. Evaluation of anaerobic digestion processes
6. Alternative means of managing biosolids
Dr. Charles Bott
Research interests: Municipal wastewater treatment; indirect potable reuse.
1. HRSD’s thirteen wastewater treatment plants collection system
2. Aerobic granular sludge processes
3. Advanced aeration control systems
4. Thermal hydrolysis and other digestion enhancements
5. Chemical and biological phosphorus removal
6. Sidestream and mainstream deammonification/shortcut nitrogen removal (anammox)
7. Nutrient recovery
8. Biogas conditioning and energy recovery
Dr. Andrea Dietrich
Research interests: Drinking water quality; treatment and infrastructure; environmental analytical chemistry.
1. Assessing the role of aqueous metals in human nutrition and toxicity
2. Fate and transport of organic and inorganic chemicals in air, water, biota
3. Chemosensory analysis of environmental contaminants and tastes-and-odors in drinking water
4. Fate and transport of organic and inorganic chemicals
Dr. Randy Dymond
Research interests: Urban stormwater and hydrology; watershed management; land use change impacts; GIS.
1. Urban stormwater hydrology
2. Watershed master planning and geospatial analysis
3. Low impact development and Best Management Practices (BMPs)
4. MS4 compliance and illicit discharges in urban environment
5. Software development for BMP selection and runoff reduction
6. Sustainable land development
7. Thermal and erosion pollution potential GIS modelling
8. Analysis of Trends in U.S. stormwater utility & fee systems
Dr. Marc Edwards
Research interests: Water treatment; corrosion; arsenic removal; applied aquatic chemistry.
1. Corrosion and water quality in potable water distribution systems
2. Microbial growth in premise plumbing and distribution systems
3. Metals leaching to water supplies from plumbing (especially copper/lead)
4. Public health impacts of metal leaching
5. Energy-water-public health nexus in building hot water systems
6. Engineering and science ethics
Dr. Daniel Gallagher
Research interests: Environmental statistics and data analysis; risk assessment; food safety; contaminant fate and transportation; environmental modelling and simulation.
1. Exposure analysis from the crude MCHM spill in drinking water
2. Risk assessment for Shiga toxin producing coliin beef
3. Use of customer complaints as early warning systems for contamination
4. Developing a Markov Chain model to describe retail deli worker behaviour
5. Analysis of face reader technology to describe emotional impacts of food
6. Canonical correlation analysis of drinking water quality with home-owner perceptions.
Dr. Adil Godrej
Research interests: Environmental modelling and simulation; nonpoint pollution monitoring and control; watershed, lake and reservoir management; water reuse.
1. Monitoring water quality in rapidly-urbanizing watersheds
2. Measurement of nutrient dynamics in water bodies
3. Characterization of BMP effectiveness
4. Water quality modelling of watersheds and reservoirs
5. Application of water quality modelling to climate change
6. Water and wastewater treatment processes as they relate to watershed stream health
Dr. Zhen (Jason) He
Research interests: Environmental biotechnology; bioenergy production; microbial fuel cells; sustainable desalination technology; biological wastewater treatment; anaerobic digestion; water softening process environmental bio-electrochemistry; osmotic bioelectrochemical systems; membrane bioreactors; sustainable water reuse.
1. Technologies for sustainable water and wastewater treatment
2. Microbial process in engineered systems designed for biological wastewater treatment
3. Bioenergy production to improve bioreactor performance.
4. System scaling up of microbial fuel cells for wastewater treatment
5. Development of microbial desalination cells for brackish water desalination
6. Forward osmosis for water desalination and wastewater reuse
7. Membrane bioreactors and algal bioreactors
8. Anaerobic digestion, and nutrient removal and recovery (e.g., anammox)
Dr. Erich Hester
Research interests: Hydrology; hydraulics; environmental fluid mechanics; groundwater; surface water-groundwater exchange; hyporheic exchange; floodplain exchange; surface coal mine hydrology.
1. Analysis of flow in streams, rivers, wetlands, riparian zones, and groundwater
2. Zonal exchange such as hyporheic exchange and floodplain exchange
3. Nutrient, pollutant, and heat transport in water
4. Mitigation of pollution by natural means in stream and river systems
5. Water quality impacts of surface coal mining
6. Measuring environmental sustainability of water resources management
Dr. Clayton Hodges
Research interests: Urban hydrology and characteristics of urban stormwater runoff; stormwater best management practice (BMP) design, construction, and maintenance; geospatial analysis related to impacts of urbanization; optimization of hydrologic systems; land development technologies and practices.
1. Stormwater BMP selection optimization
2. Hydrologic software development
3. Stormwater management standards
4. Predicting and modelling thermal pollution in urban watersheds
5. BMP monitoring
6. Stream flow monitoring
Dr. Jennifer Irish
Research interests: Coastal engineering; coastal hazards; storm surge; tropical cyclones; disaster resilience; natural and nature-based infrastructure; sea-level rise.
1. Probabilistic surge hazard assessment
2. Storm surge dynamics
3. Effects of sea-level rise on ecosystems
4. Disaster-resilient communities and infrastructure
5. Hazard assessment using tsunami and storm surge sediment dynamics
6. Impact of forests and mangroves on tsunami inundation
7. Storm-induced coastal erosion and barrier-island breaching
8. Storm surge forecasting
Dr. Gabriel Isaacman-VanWertz
Research interests: Natural and anthropogenic emissions transformation in the atmosphere; air pollution formation and removal.
1. Particulate matter in both indoor and outdoor environments
2. Process of gas-phase transformation compounds into suspended particles
3. Composition of anthropogenic and natural emissions
4. Chemistry behind emission oxidation in atmosphere to form particulate matter
5. Processes that deposit emissions into other ecosystems
Dr. William Knocke
Research interests: Physical-chemical processes as applied to drinking water treatment situations; environmental processes; environmental chemistry and the geological sciences.
1. Control of trace metals (primarily iron and manganese) via adsorptive and oxidative methods
2. Characterization of natural organic matter in drinking water and suitability of conventional coagulation systems for removal of these organics
3. Characterization of the residuals streams (primarily solids materials) produced within water treatment operations, with emphasis on dewatering and disposal options
Dr. John Little
Research interests: Cross-media mass transfer and process dynamics in environmental systems; indoor environment; surface water, lakes and reservoirs; sustainability and resilience from a systems perspective.
1. Management of water quality in lakes and reservoirs
2. Migration of chemicals from materials and products into air and water
3. Approaching sustainability and resilience from a systems perspective
4. Sustainable management of urban watersheds and the integration of watersheds with several other environmental, economic, and social systems
Dr. Linsey Marr
Research interests: Transformation and fate of pollutants in the atmosphere; improved quantification of air pollutant emissions; environmental and health impacts of nanotechnology; airborne transmission of infectious disease.
1. Developing a mechanistic understanding of the airborne transmission of infectious diseases
2. Assessing the environmental impacts and health impacts of engineered nanoparticles
3. Predicting partitioning of organic compounds and exposure to them
Dr. Amy Pruden
Research interests: Applied environmental microbiology; antibiotic resistance genes as emerging contaminants; opportunistic pathogens in premise plumbing; environmental implications of nanotechnology; biomolecular tools; sustainable water infrastructure; microbiome of the built environment.
1. Antibiotic resistance in agricultural and wastewater influenced watersheds
2. Opportunistic pathogens in drinking water systems
3. Characterizing the microbiome of the built environment
4. Provide fundamental insight into wastewater, drinking water and recycled water systems
Dr. Nina Stark
Research interests: Coastal and marine geotechnics; subaqueous sediment dynamic; beach dynamics; structure-seafloor interaction; offshore renewable energies; instrument development.
1. Beach dynamics at mixed sand-gravel and sandy beaches
2. Tidal energy converter project in the Bay of Fundy
3. Navigation channel dredging and dredged sediment relocation
4. Geotechnical investigations of sediment remobilization processes
5. Development of in-situ instrumentation for controlled geotechnical testing
Dr. Kyle Strom
Research interests: Environmental hydraulics; environmental fluid mechanics; sediment transport; geomorphology; experimental methods.
1. Sediment transport processes in coastal river mouth plumes
2. Turbulence and bed sediment motion
3. Hydraulics of distributive channels and their deposits (deltas and fans)
4. Movement of fine sediment in gravel bed rivers and estuaries
5. Experimental methods and instrumentation development
Dr. Peter Vikesland
Research interests: Nanomaterials in the environment; improved sensors for drinking water treatment.
1. Field-deployable sensors for detection of environmental contaminants
2. Characterization of the environmental implications of nanomaterials
3. Use of nanoparticle-enabled spectroscopies
4. Engineered nanomaterials interaction with biotic and abiotic surfaces
Dr. Zhiwu (Drew) Wang
Research interests:Water and wastewater treatment; nutrient removal and recovery; anaerobic digestion; biofilm reactors; bioprocess modeling and the bioconversion of waste into bioenergy and bioproducts.
1. Biotechnologies for environmentally safe waste stream disposal or reuse
2. Value-added bioenergy/bioproducts recovery
3. Biofilms as viable catalysts for wastewater treatment
4. Conversion of waste into methane, ethanol, electricity, diesel and bioplastics
5. Development of new biogranulation techniques and membrane bioreactors for energy efficient water purification
Dr. Mark Widdowson
Research Interests: Groundwater resources; fate and attenuation of contaminants in aquatic environments; modeling and decision-support tools; subsurface remediation including natural attenuation; bioremediation; phytoremediation.
1. Forecasting cost-benefit of municipal water system upgrades
2. Regional water supply planning
3. Groundwater management and modeling in Eastern Virginia
4. Risk assessment to water supply and water resources infrastructure
5. Phytoremediation of polycyclic aromatic hydrocarbon compounds
6. Contaminant transport, attenuation and remediation of chlorinated solvents
7. Impact organic carbon in aquifer and river bed sediments
8. Arsenic mobilization and transport in aquifers