Areas of Interest:

My research focuses on the development of advanced mathematical and computational methods for predicting flow, water quality, and biogeochemical processes in natural and engineered systems. I apply techniques from mathematical modeling, uncertainty analysis, and machine learning to a broad range of applications, including sustainable stormwater management, hydrologic and reactive transport in highly heterogeneous porous media, and the use of environmental tracers to characterize surface and subsurface hydrologic systems.

A central component of my work is the development of flexible, extensible modeling frameworks that bridge fundamental process understanding with practical engineering applications. I am the lead developer of two complementary platforms: the Green Infrastructure Flexible Model (GIFMod) (www.gifmod.com) and OpenHydroQual (www.OpenHydroQual.com). GIFMod is an agile, process-based framework for simulating coupled flow and reactive transport in surface water, vadose zone, and groundwater systems, while OpenHydroQual is a modular, plugin-based environment for modeling hydrologic, hydraulic, and water quality processes in natural and engineered water systems. Together, these tools support multi-scale simulation, uncertainty-aware analysis, and advanced scenario evaluation for stormwater control measures, agricultural best management practices, and broader watershed and infrastructure applications.

Education:

• Ph.D., (Environmental Engineering) University of California, Davis. 2006.

• M.S.,(Civil Engineering) University of Tehran, 2000.

• B.S., (Civil Engineering) Sharif University of Technology, 1997.