Ph.D. City and Regional Planning, University of Pennsylvania (Expected 2017)

  • Used high performance computing, numerical and statistical analyses to quantify physical and social effects of urban water resource and land use policies and inform infrastructure investment decision-making
  • Expertise in environmental policy and planning, infrastructure planning, and data analysis and policy
  • Dissertation: Green Stormwater Infrastructure: Science, Policy and Implementation
  • Committee: John Landis (Chair), Claire Welty, Tom Daniels, Fritz Steiner

M.S. Environmental Science and Engineering, Tsinghua University (2011)

  • Research focused on contaminant fate modeling of persistent organic pollutants and ecological risk assessment
  • Selected as a student representative for university’s centennial celebration at the Great Hall of the People for service to the Tsinghua University School of Environment

B.A. Special Major: Immigrant Studies, Swarthmore College (2007)

  • Self-designed interdisciplinary major consisting of: Sociology, Anthropology, History and Modern Languages; focus on public health in immigrant communities
  • Recipient of Deans Award and one in three recipients of the Lifetime Service Award for leadership in Swarthmore College’s Intercultural Center and US Dept. of State Fulbright Grant


Lim, T.C.  “Social Influence and Residential Green Infrastructure Installation.”  [In revision, submitted to Journal of Environmental Planning and Management August 2016]

Lim, T.C. (2016) “Predictors of Urban Variable Source Area: A Cross-Section Analysis of Urbanized Catchments in the United States.” Hydrological Processes, June 1, 2016 (available online) doi:10.1002/hyp.10943

Lim, T. C., Wang, B., Huang, J., Deng, S., & Yu, G. (2011). Emission Inventory for PFOS in China: Review of Past Methodologies and Suggestions. The Scientific World Journal, 11,

Lim, T.C.  “Political Significance of Urban Green Infrastructure and Climate Change Adaptation.”  (in preparation)

Hsu, D., Lim, T., Hu, H. “Early Lessons from Green Infrastructure Strategies in Philadelphia, 2011-2016”  (working title). (in preparation)

Bhaskar A., Welty C., Lim T., Barnes M., Schley M., Gyimah-Asante K. “Getting Started with ParFlow.CLM: Dead Run, Baltimore, Maryland Example (Revised)” UMBC/CUERE Technical Report 2016/001. University of Maryland Baltimore County, Center for Urban Environmental Research and Education, Baltimore, MD. (in preparation)

Peer-Reviewed Conference Presentations

Lim, T.C. “Beyond imperviousness: A statistical approach to identifying functional differences between development morphologies on variable source area-type response in urbanized watersheds.”  American Geophysical Union Fall Meeting. Dec 12, 2016, Moscone Center, San Francisco, CA.

Lim, T.C. “Social Influence and Green Infrastructure Installation.” Assoc. of Collegiate Schools of Planning Annual Conference, Nov 4, 2016, Hilton Portland & Executive Tower, Portland, OR.

Lim, T.C., Hu Hong and David Hsu. “Heterogeneous Reactions to Price Incentives Promoting Private Implementation of Green Infrastructure.” Assoc. of Collegiate Schools of Planning Annual Conference, Oct 22, 2015, Hyatt Regency, Houston, TX.

Lim, T.C., Bin Wang, Jun Huang, Shubo Deng, and Gang Yu. “Fugacity Modeling to Estimate Source Load of PFOS in Lower Third of Huangpu River, Shanghai.” China Persistent Organic Pollutants Forum, May 17, 2011, Harbin, China.

Selected Awards and Honors

University of Pennsylvania Doctoral Fellow (2013-2017)

American Geophysical Union, Hydrology Section, Outstanding Student Paper Award (2016)

Center for Teaching and Learning Graduate Fellowship for Teaching Excellence (2016-2017)

Urban Land Institute Disruptive Technologies in Real Estate Challenge Winner (2015)

US State Department – Fulbright Research Scholarship (2007-2008)

Swarthmore College Dean’s Award and Intercultural Center Lifetime Service Award (2007)

Invited Presentations

“Green Infrastructure Retrofits in Existing Urban Areas: Experiences from Washington DC.” United States Geologic Survey, Reston, VA (2017, forthcoming)

“Implementation of Green Infrastructure on the Municipal Scale.” New York City Department of Environmental Protection (2015)

“Beyond Percent Impervious: Importance of Context in Planning Green Stormwater Infrastructure.” Penn Institute for Urban Research, Philadelphia, PA (2015)

“Infrastructure Planning, Green Infrastructure and Urban Hydrology.” Sustainable Urbanization: Place Matters. Penn Institute for Urban Research (2014)


Quantitative Methods, Applied Statistics, Statistical Computing, GIS, Environmental Modeling, Environmental Policy and Planning, Infrastructure, Urban Ecology

Fellow for Teaching Excellence, Center for Teaching and Learning, University of Pennsylvania

One of twelve fellows chosen university-wide. Organized teaching-related workshops for graduate students, provided feedback to Teaching Assistants on style, clarity and classroom dynamics.

Teaching Experience

Advanced GIS, University of Pennsylvania (Instructor of Record)

  • Graduate-level capstone project course for Master’s of Urban Spatial Analytics students and Master’s of City Planning students
  • Expected enrollment: 15-20 Master’s students

Planning By Numbers, University of Pennsylvania (Graduate Teaching Assistant)

  • Input on syllabus and course design
  • Lead weekly recitations on R coding and statistical concepts
  • Advise independent student projects
  • Prepare data and questions for problem sets
  • Grade and provide comments on written and coding assignments
  • Enrollment: ~ 30 Master’s level students from City Planning & Systems Engineering

Urban and Planning Theory, University of Pennsylvania (Graduate Teaching Assistant)

Invited Course Lectures

I have been invited by faculty in my department to lecture on topics in my areas of expertise in hydrological modeling, data science, and statistical analysis. The following are a list of 50 min – 90 min lectures that I have developed:

  • Overview: The Urban Hydrological Cycle
  • Overview: Watershed Modeling
  • Introduction to R: Transitioning from Spreadsheet-based programs
  • Running Hydrological Model Scenarios using SWMM and HydroCAD
  • Correlation and Association
  • Approaches to Regression Modeling
  • Interpreting and Reporting Logistic Regression Results
  • Causal Inference: Econometrics Overview
  • Web Scraping Data and Using APIs
  • For Loops in R to Automate Tasks
  • Understanding Marginal Effects
  • Principle Components Analysis and Cluster Analysis
  • District-Scale Integrated Water Infrastructure Systems

University and Community Service

Teaching Fellow, Center for Teaching and Learning, University of Pennsylvania (2016- 2017)

  • Organized seven departmental workshops bringing together faculty and students on issues relating to teaching and pedagogy, topics ranging from “Integrating Research Methods into Teaching” and “Building Trust and Creating Safe Space to Talk about Challenging Issues”
  • Led two teaching workshops for graduate students university-wide, with topics such as “Working with Struggling Students”
  • Performed twelve teaching observations of TAs, including pre-observation conversation about class goals, observation session, and post-observation conversation with TA regarding classroom dynamics and teaching strategies

Swarthmore College, Alumni Representative and Interviewer (2007-2009)

  • Represented alma mater while abroad, providing information of liberal arts education to prospective students in China
  • Conducted admissions interviews with applicants to Swarthmore College in China

Intercultural Center, Swarthmore College Lifetime Service Award Recipient (2003-2007)

  • Active on campus for four years around issues of race, gender, and sexuality, including service as the President of the Swarthmore Asian Organization, Chair of the Coalition for Expanded Ethnic and Racial Studies, and founding organizer of sexual violence awareness activities.

 Professional Memberships

Association of Collegiate Schools of Planning

American Planning Association

American Geophysical Union

Geological Society of America

Professional Licenses

Engineer-in-Training (EIT) – Civil Engineering  (2013)

Leadership in Energy and Environmental Design (LEED) Accredited Professional (2012)



Classical & Bayesian statistics

Causal inference from observational data, econometric methods

Hydrological/hydraulic numerical modeling

Site/district scale infrastructure development water balance

Probabilistic Risk Assessment/Ecotoxicity simulation and evaluations


Statistical: R

Scientific Computing: Octave/Matlab, FORTRAN, XSEDE parallel computing resource platforms, Linux bash scripting, Tcl

Geographic Information Systems: ESRI ArcGIS, GRASS GIS

Hydrological Modeling: ParFlow-CLM, SWMM, HydroCAD

Civil & Design Software: AutoCAD, Civil 3D, Carlson Civil, EcoTect


English (Native), Mandarin Chinese (Fluent), Spanish (Proficient)