Ryan Research Group

Former Students

 

Graduate Students

Dean Abadzic, Ph.D., 2002 Probing the Mechanisms of Brownian Colloid Release from Porous Media Surfaces
Thesis Committee: Menachem Elimelech, Yale University; Ronald Harvey, U.S. Geological Survey; Mark Hernandez and JoAnn Silverstein, Civil, Environmental, and Architectural Engineering
Yumiko Abe, M.S., 2003
 
Transport of Cryptosporidium parvum Oocysts in a Geochemically and Physically Heterogeneous Porous Medium
Thesis Committee: Subhrendu Gangopadhyay, Civil, Environmental, and Architectural Engineering; Ronald Harvey, U.S. Geological Survey
Rula Abu-Dalo, Ph.D., 2006
  
 
Evaluation of the Effect of Geochemical and Physical Heterogeneity on Cryptosporidium parvum Oocyst Transport in Saturated Porous Media
Thesis Committee: JoAnn Silverstein and Scott Summers, Civil, Environmental, and Architectural Engineering; Ronald Harvey and Lee Landkamer, U.S. Geological Survey
Susan Bautts, M.S., 2006 An Investigation of Metal Concentrations in Waste Rock Piles, Stream Water, Benthic Macroinvertebrates, and Stream Bed Sediments to Assess Long-term Impacts of Intermittent Precipitation Events in the Lefthand Creek Watershed, Northwestern Boulder County, Colorado
Thesis Committee: Diane McKnight and JoAnn Silverstein, Civil, Environmental, and Architectural Engineering
Rebecca (Ard) Bunn, M.S., 1997 Natural and Artificial Colloid Mobilization in a Sewage-Contaminated Aquifer: Field and Laboratory Studies
Thesis Committee: Mark Edwards and Tissa Illangasekare, Civil, Environmental, and Architectural Engineering
Jeffrey Aronheim, M.S., 1995 Virus Transport in Groundwater: Modeling of Bacteriophage PRD1 Transport Through One-Dimensional Columns and a Two-Dimensional Aquifer Tank
Thesis Committee: Ronald Harvey, U.S. Geological Survey; Tissa Illangasekare, Civil, Environmental, and Architectural Engineering; Ronald Harvey, U.S. Geological Survey
Michelle Barron, M.S., 2001 The Role of Structural and Chemical Factors in Partitioning of Hydrophobic Organic Compounds to Dissolved Humic Substances and Surfactants
Thesis Committee: Gary Amy, Civil, Environmental, and Architectural Engineering; Cary Chiou, U.S. Geological Survey
Nicole DeNovio, Ph.D., 2003 Particle and Particle-Facilitated Contaminant Transport in the Vadose Zone
Thesis Committee: Diane McKnight, Balaji Rajagopalan, and Harihar Rajaram, Civil, Environmental, and Architectural Engineering; James Ranville, Colorado School of Mines
  Todd Drexel, M.S., 2000 Mercury(II) Sorption to Two Florida Everglades Peats: Effects of pH, Ionic Strength, Calcium, Chloride, and Dissolved Organic Matter
Thesis Committee: George Aiken, U.S. Geological Survey; Kathryn Nagy, Geological Sciences
Jarrod Gasper, M.S., 2003 Measurement of Mercury-Dissolved Organic Matter Stability Constants: Three Methods and the Importance of the Detection Window and the Metal Concentration Effect
Thesis Committee: George Aiken, U.S. Geological Survey; Kathryn Nagy, Geological Sciences.
Rho Green, M.S., 1997 Fluorescence Polarization Colloid Charge Titration: Development and Application for Feed Forward Coagulant Control at Water Treatment Plants.
Thesis Committee: Gary Amy, Civil, Environmental, and Architectural Engineering; Roger Jordan, Clearcorp, Inc.
Christine Hawley, M.S., 1996 Role of Colloidal Phases in the Removal of Polycyclic Aromatic Hydrocarbons from Aquifer Sediments
Thesis Committee: George Aiken, U.S. Geological Survey; Gary Amy, Civil, Environmental, and Architectural Engineering
Steffanie Keefe, M.S., 2001 Modeling Fate and Transport of Organic Compounds in a Constructed Wetland
Thesis Committee: Larry Barber II, U.S. Geological Survey; Diane McKnight, Civil, Environmental, and Architectural Engineering
Jonathan Loveland, M.S., 1995 Virus Transport in Groundwater: Bacteriophage PRD1 Attachment to Mineral Surfaces. 
Thesis Committee: Gary Amy, Civil, Environmental, and Architectural Engineering; Ronald Harvey, U.S. Geological Survey
Christina Osborn, M.S., 2004 The Effect of Changes in Solution Chemistry on the Attachment of  Cryptosporidium parvum Öocysts and Microspheres to Limestone and the Transport of Cryptosporidium parvum Öocysts and Microspheres in Intact Limestone Cores
Thesis Committee: Ronald Harvey, U.S. Geological Survey; JoAnn Silverstein, Civil, Environmental, and Architectural Engineering
Yu Pei, Ph.D., 1996 Assessing Water Flow Through the Unsaturated Zone at Yucca Mountain, Nevada, Using Isotopic Tracers
Thesis Committee: Tissa Illangasekare and Harihar Rajaram, Civil, Environmental, and Architectural Engineering; James White, Geological Sciences; In Che Yang, U.S. Geological Survey
Amanda Peirce, M.S., 2005 Evaluation of the Effects of Physical and Geochemical Heterogeneity on Virus Transport in Aquifers
Thesis Committee: Hari Rajaram, Civil, Environmental, and Architectural Engineering; Ronald Harvey and Lee Landkamer, U.S. Geological Survey
Annie Pieper, M.S., 1995 Virus Transport in Groundwater: A Natural-Gradient Field Experiment in a Contaminated Sandy Aquifer
Thesis Committee: Gary Amy, Civil, Environmental, and Architectural Engineering; Ronald Harvey, U.S. Geological Survey
Mahalingam Ravichandran, Ph.D., 1999 Interactions Between Mercury and Dissolved Organic Matter in the Florida Everglades
Thesis Committee: George Aiken and Michael Reddy, U.S. Geological Survey; Diane McKnight, Civil, Environmental, and Architectural Engineering; Kathryn Nagy, Geological Sciences
Brianna Shanklin, M.S., 2006
 
Sources and Speciation of Metals in the Coal Creek Watershed near Crested Butte, Colorado
Thesis Committee: Natalie Mladenov and JoAnn Silverstein, Civil, Environmental, and Architectural Engineering
Julie Sueker, Ph.D., 1996 Isotopic and Chemical Flowpath Separation of Streamflow during Snowmelt and Hydrogeological Controls of Surface-Water Chemistry in Six Alpine-Subalpine Basins, Rocky Mountain National Park, Colorado
Thesis Committee: Jill Baron, Colorado State University; Robert Jarrett, U.S. Geological Survey; JoAnn Silverstein, Civil, Environmental, and Architectural Engineering; Mark Williams, Geography and Institute of Arctic and Alpine Research
Ned Turner, M.S., 2005 The Effect of Desorption Kinetics on the Colloid-Facilitated Transport of Cesium-137 and Strontium-90 in a Saturated Quartz Porous Media
Thesis Committee: Harihar Rajaram and Subhrendu Gangopadhyay, University of Colorado at Boulder
Alice Wood, M.S., Environmental Studies, 2004 Characterization and Prioritization of Mining-Related Metal Sources with Metal Loading Tracer Dilution Tests, and a Review of Regulations and Mine Restoration Funding Resources, Lefthand Creek Watershed, Northwestern Boulder County, Colorado
Thesis Committee: Jason Neff, Geological Sciences; Victor Ketellaper, U.S. Environmental Protection Agency

In special recognition:
Yvonne Bogatsu, Ph.D. Candidate

Undergraduate Students

  Sean Babbington, B.A., Environmental Studies, 2005 Water Quality After Industrial Influence: A Use Attainability Analysis on Lake Calumet in Chicago, Illinois
Thesis Committee: Dale Miller, Environmental Studies; James White, Geological Sciences
Rolan Cholas, REU, 2003

 

Lynné Diaz, B.S., Independent Study, 2006  
  Sabre Duren, B.A., Environmental Studies, 2001 Effect of Off-Road Vehicle Recreation on Benthic Macroinvertebrate Population in James Creek, Northwestern Boulder County, Colorado 
Thesis Committee: Diane McKnight, Civil, Environmental, and Architectural Engineering; Mark Williams, Geography
Hanna Gilbert, B.A., Environmental Studies, 1999 Evaluation of the Causes and Effects of Turbidity in James Creek, Northwest Boulder County, Colorado
Thesis Committee: James White, Geological Sciences
Laura Harrington, REU, 2002
Lily Isenhart, SURF, 2003
Brooke Miller, REU, 2000
  Amber Roche, DLA, 2005 Analysis of Metals in Lefthand Creek Watershed Waste Rock and Tailings Piles

Last updated on August 19, 2006 by Joe Ryan