Project Leader

Christopher J. Duffy (cxd11(at)

231G Sackett Building
University Park, PA 16802
The  Pennsylvania  State  University

Graduate Students and Developers

Qu, Yizhong (quyizhong(at) )

PhD (2000 - 2004)
PIHM v1.0

Kumar, Mukesh (muk139(at)

PhD (2003 - 2009)

(2010 - present) Assistant Professor of Watershed Hydrology at Duke University

Research Interests: Hydrologic Process Interactions/Predictions, Numerical Modeling, GIS, GIS-Model Coupling, Data Models, High Performance Computing Applications, Sensor Networks, Remote Sensing, Pattern Classification and Signal Analysis, Numerical Algorithms, Optimization Methods, Non-Linear Dynamical Analysis 

Bhatt, Gopal (gxb913(at)

PhD (2004 - 2012)
PIHM v2.0; PIHMgis; Solute Transport; Age of Water.


Li, Shuangcai (sul19(at)

PhD (2005 - 2008)
Integrated Modeling of Multi-Scale Hydrodynamics; Sediment and Pollutant Transport.

Shi, Yuning (yshi(at)

PhD (2007 - 2012)
Meteorology; Land-atmosphere interactions; Surface energy balance; Data assimilation.

Holmes, George (ghh108(at)

Masters (2008 - 2011)
Isotope Hyrdology; Age modeling; Geologist.

Yu, Xuan (xxy113(at)

PhD (2009 - 2014)
Wetland hydrology; Hyporheic hydrology; Distributed watershed modeling for ecosystem services.

Mei, Yi (yi.mei(at)

Ph.D. Candidate, Department of Civil and Environmental Engineering/ Vanderbilt Institute for Energy and Environment, Vanderbilt University
Hydrological regulation on Dissolved Organic Carbon transport in watersheds;
Groundwater surface water interaction and it's effects on DOC export;
Hydrological and water chemistry modeling at multiple scales.

Zhang, Yu (yzz130(at)

PhD (2011 - 2016)
Integrated Modeling of Multi-Scale Hydrodynamics and Sediment transport; Landscape evolution.

Thomas, Evan (emt175(at)

Masters (2011 - 2013)
Isotope hydrology; age modeling; numerical modeling of macroporous hillslopes

Shu, Lele (lzs157(at)

PhD (2012 - 2017)
Integrated Modeling System development; Impact of urbanization on hydrologic processes; GIS; PIHM Analysis tool(R and matlab); HydroTerre Conversion Tool