Completed Research Project

Total 38 projects valued $3191430.00 to date.

University of Hawaii at Manoa

  1. Improving model estimates for pesticide leaching in Hawaii soils, 1/1/05-9/30/05, Hawaii Department of Health (PI).
  2. Impact of riverbed clogging on the performance of riverbank filtration systems, Co-PI with Steve Hubbs of Louisville Water Company, for NATO Advanced Research Workshop at Bratislava, Slovakia from Sept 7-10, 2004.
  3. A soil column study of wastewater contaminant transport on Oahu, Hawaii, 4/03-9/05, Honolulu Board of Water Supply, via Brown and Caldwell, Inc.
  4. Evaluation of soil hydrophobicity under coffee plants, 1/03-6/03, seed grant, University of Hawaii Water Resources Research Center with analytical support, and College of Engineering for fieldwork and travel.
  5. Fate of pathogens and pharmaceuticals in tropical soils, 3/03-2/04, US Geological Survey, Water Resources Research Institute Program.
  6. Evaluation of the fate and transport of selected chemicals in Hawaii soils, (PI),Hawaii Department of Agriculture, 6/02-6/05.
  7. Evaluation of bromacil leaching under reduced application rates to pineapple (PI) Hawaii Department of Agriculture).
  8. Modeling transport of ametryn and atrazine in unsaturated zone near former Oahu Sugar site, (PI), Hawaii Department of Agriculture, 11/01-8/02.
  9. Source water assessment and protection for Hawaii’s drinking water sources, Phase II, (Co-PI with A. El-Kadi), 4/01-4/05, Hawaii Department of Health.
  10. Evaluation of wastewater reuse at a military golf course: Impact of bacteria, viruses, and pharmaceutically active substances, (Co-PI with R. Babcock), 7/01-9/03, U.S. Army Corps of Engineers, Waterways Experiment Station.
  11. An accurate water balance to evaluate surface runoff and percolation, (PI), 3/01-12/04, US Geological Survey, Water Resources Research Institute Program , Naval Facilities Engineering Service Center .
  12. Study of flow and transport in heterogeneous soils with macropores, National Research Council.
  13. Use of a gas chromatograph/mass spectrometer for trace chemical analysis, (PI), 2000, U.S. Department of Agriculture, NRI/CGP. (UDSA share 50%),
  14. NATO Advanced Research Workshop on Riverbank Filtration , 2001, NATO, Brussels, Belgium
  15. An ion chromatograph for the analysis of cations and anions , 2000, University of Hawaii special funds.
  16. International Bank Filtration Conference at Louisville, KY, (USEPA and National Water Research Institute ; all funds handled by the NWRI to avoid overhead costs), Coordinator, 1999.
  17. Chemical Leaching and Risk Evaluation System (with co-PI with R.S. Yost), Hawaii Department of Agriculture, (3-4 years).
  18. Bromacil and hexazinone transport in the vadose zone, (PI), Hawaii Pineapple Growers’ Assoc., 6/99-5/00.
  19. Phytoremediation of Petroleum Contaminated Soils in the Pacific Ecosystem, US Army Corps of Engineers through CH2M Hill, Inc. I am the coordinator from the University of Hawaii
  20. Assessing the vulnerability of farmstead and rural domestic wells to agrichemical contamination, (PI), U.S. Dept. of Agriculture – National Research Initiative Competitive Grants Program (NRI/GCP),
  21. Collaborative research on flow and transport processes in porous media, (lead PI), NATO, 5/99-9/00. This brings collaboration between Dr. T. Vogel (Czech Republic), Dr. H. Gerke (Germany) and myself for the improvement and application of a dual-porosity model for pesticide transport in vadose zone.
  22. Polymer effects on bacteria and virus transport through soil columns, (PI),5/99-12/01, US Geological Survey, Water Resources Research Institute Program.
  23. Evaluation of ground-water contamination for new pesticides in Hawaii, (PI), 2/99-1/01, Hawaii Department of Agriculture.
  24. Hydrologic balance for landfill cap designs, (PI), 3/99-3/00, Naval Facilities Engineering Service Center, Port Hueneme, CA.
  25. Faculty fellowship, Organization for Economic Cooepration and Development, Paris, July 1998 in Muncheberg, Germany to work with Dr. Horst Gerke
  26. Use of high molecular weight polymers for enhanced infiltration, (PI), seed money grant for equipment and undergraduate student support, 5/98-8/99.
  27. Reduction of soil loss and enhancement in infiltration using high molecular weight polymers, 3/98-8/98, matching grant to the seed grant, Hawaii Department of Transportation
  28. Use of high molecular weight polymers for erosion reduction and coastal water improvement, (lead PI), 1/98-6/98, seed grant, Gea Grant College Program, Univ. of Hawaii.

Illinois State Water Survey

  1. Assessing the occurrence of agricultural chemicals in rural private wells in Illinois – A pilot study. ( Illinois Departments of Energy and Natural Resources, Agriculture, Public Health, and Illinois EPA). Data from this study and from a follow-up project are being used to develop the generic management plan (SMP) for pesticides in Illinois as requested by the USEPA, 5/89-12/91.
  2. Modeling transport of agricultural chemicals in a dual porosity system resulting from macropores, (PI), no indirect cost, 1/92-12/93, U.S. Dept. of Agriculture (through the Illinois Groundwater Consortium). The project was my Ph.D. work.
  3. Irrigation pumping dynamics affecting the transport of a nitrate plume in a shallow sand aquifer, (Co-PI), 7/94-6/96, Illinois Department of Energy and Natural Resources.
  4. A cost effective and educational program for evaluating the nitrate content of rural private wells, (Co-PI), no IC, 10/93-9/95, USDA through the Illinois Groundwater Consortium. Used high school Future Farmers of America (FFA) students for sampling and other educational activities.
  5. IBM RS/6000 system computer from the Shared Universities Research (SUR) program, IBM Corporation for the improving my dual-porosity model (PI)
  6. Improved finite element formulations to a dual-porosity model for pesticide transport in macroporous media, 1/96-12/96, University of Illinois, supported Mr. Choi for one year.
  7. A study of flood induced loading of agricultural chemicals to public water supply wells in selected reaches of the Illinois River, (lead PI), no IC, 10/95-9/97, USDA (through Illinois Groundwater Consortium).
  8. Neural Network analysis of pesticide contamination of rural domestic wells, (PI), 1/96-6/97, Illinois Dept. of Agriculture. The work was part of a larger effort for the installation of a statewide monitoring network for the State Management Plan for pesticides.
  9. Monitoring for viruses in selected septic systems, McHenry County, Illinois, (PI), 1/96-12/96, Hazardous Waste Research Fund, Illinois Department of Natural Resources. Virus analyses performed by American Water Works Service Company, Belleville, IL

Construction Engineering Research Laboratory, U.S. Army Corps of Engineers

  1. Hazardous waste minimization through life-cycle cost analysis (Fort Meade, MD; Fort Ord, CA; Fort Carson, CO; Fort Sam Houston, TX; and Fort Campbell, KY), funded by the Forces Command, US Army. Supported my stipend: 1/89-9/89