Research Interest

Contaminant Fate and Transport; Sediment Transport; River system restoration and contaminant dynamics in streams, sediment beds and estuaries; Physicochemical particle-particle and particle-contaminant interactions. Please visit Dr. Ren's research project site to learn more about her research.

Education

- Ph.D., Civil and Environmental Engineering, Northwestern University, Evanston IL, 2003
- Civil and Environmental Engineering, Drexel University, Philadelphia, PA, 1998
- Environmental Engineering, Beijing Polytechnic University, Beijing, China, 1993

Professional Experience

- Assistant Professor, TAMUK (Environmental Engineering Dep.), Sep. 2006 - current
- Summer Intern (June - Aug. 2001), The Procter & Gamble Company, Cincinnati, Ohio
- Graduate Research Assistant, 1999 - 2003, Northwestern University, Evanston, IL
- Teaching Assistant, 1996 - 1999, Drexel University, Philadelphia, PA
- Technical Translator and Assistant (Jan. - July 1996), China Government and Camp Dresser   & McKee (CDM), Inc., MA

Sample Publications (complete list)

- Variation of soil moisture patterns in response to anthropogenic land disturbances in a semiarid regional landscape, C. Camarena, J. Ren and K. Jones, and A. Hempel, in preparation.

- Modeling and Laboratory Column Study of Polydisperse Colloid Transport through Saturated Porous Media, S. Peddireddy and J. Ren, in preparation.

- Changes in Fine Sediment Size Distributions due to Interactions with Streambed Sediments, J. Ren and A.I. Packman, Sedimentary Geology, in press.

- Coupled Stream-Subsurface Exchange of Colloidal Hematite and Dissolved Zinc, Copper and Phosphate, J. Ren and A.I. Packman, Environmental Science & Technology, the Charles R. O'Melia tribute issue, Particles and Interfaces in Aquatic Systems, 39, 6387-6394, 2005.

- Stream-Subsurface Exchange of Zinc in the Presence of Silica and Kaolinite Colloids, J. Ren and A.I. Packman, Environmental Science & Technology, 38, 6571-6581, 2004.

- Modeling of Simultaneous Exchange of Colloids and Sorbing Contaminants between Streams and Streambeds, J. Ren and A.I. Packman, Environmental Science & Technology, 38, 2901-2911, 2004.

- Effects of suspended sediment characteristics and bed sediment transport on streambed clogging, K. Rehg, A.I. Packman, and J. Ren, Hydrological Processes, 19(2), doi: 10.1002/hyp.5540, 413-427.

- Stream-subsurface exchange, suspended sediment transport, and the coupled transport of colloids and contaminants in streambeds, J. Ren and A.I. Packman, International Journal of Sediment Research, 18(2), 199-207, 2003.

- Effect of Background Water Composition on Stream-Subsurface Exchange of Submicron Colloids, J. Ren and A.I. Packman, Journal of Environmental Engineering-ASCE, Vol. 128, No. 7, 624-634, July 2002.

- Analysis of an observed relationship between colloid collision efficiency and mean collector grain size, J. Ren, A.I. Packman, and C. Welty, Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 191, No. 1-2, p. 133-144, 2001.

Courses

- EVEN 6305. Research in Environmental Engineering
- EVEN 6308. Fund/ Solid/Haz waste
- EVEN 6315. Fundamentals of Water Quality Engineering
- EVEN 6329. Environmental Monitoring & Measurements
- EVEN 6332. Environmental Data Analysis

Honors and Awards

- National Science Foundation (NSF) CAREER Award, March 2005
- Raytheon Engineers & Constructors Scholarship, Society of Women Engineers Philadelphia Section, April, 1999.

Professional Affiliations

- Member, American Geophysical Union (AGU)
- Member, American Society of Civil Engineers (ASCE)