Pouyan Nejadhashemi

Biography: 

Dr. Nejadhashemi's specific interests are in:

  • Ecohydrology
  • Sensitivity and uncertainty analysis of water quality mitigation approaches to address climate change
  • Environmental impact assessment
  • Soft computing applications in water resources
  • Development of Decision Support System (DSS) for human impact evaluation on ecosystem sustainability
  • Evaluation and development of watershed/water quality models
  • Description, analysis and prevention of non-point source pollution at laboratory, field, watershed and regional scales

Courses Taught:

  • Ecohydrology
  • Water Resources Systems Analysis and Modeling
  • Advanced Watershed Modeling
  • Land and Water Conservation Engineering
  • Dynamics of Biological Systems

Current Students:

  1. Elaheh Esfahanian, Ph.D. Student, Biosystems and Agricultural Engineering. Project: Evaluating Environmental Flows under Climate Variability and Change. Anticipated graduating date: May 2017.
  2. Melissa Rojas-Downing, Ph.D. student, Biosystems and Agricultural Engineering.  Michigan State University, Project: The Effect of Climate Change on the Production Costs of the Dairy Industry. Anticipated graduating date: May 2017.
  3. Fariborz Daneshvar, Ph.D. Student, Biosystems and Agricultural Engineering. Project: Integrating Key Ecological Health and Social Dimensions in Sustainable Water Resources Management. Anticipated graduating date: December 2016.
  4. Sean Woznicki, Ph.D. Student, Biosystems and Agricultural Engineering. Project: Uncertainty and Risk Assessment of Climate Change Adaptation Strategies. Anticipated graduating date: December 2014.
  5. Valerie Novaes, M.Sc. Student, Biosystems and Agricultural Engineering. Project: Bioretention Design and Modeling for Ultra-Urban Area. Anticipated graduating date: December 2014.
  6. Matthew Herman, M.Sc. Student, Biosystems and Agricultural Engineering. Project: Optimization of Environmental Flow to Preserve Ecological Conditions in Saginaw River Watershed. Anticipated graduating date: Summer 2014.
  7. Edwin Martinez-Martinez, Ph.D. Student, Crop and Soil Sciences. Project: The Functional Assessment of Wetlands. Anticipated graduating date: May 2014.

Former Students:

  1. Georgina Sanchez, M.Sc. Student, Biosystems and Agricultural Engineering. Project: A Framework for Integrated Water Resources Management, Environmental Justice, and Stream Health. Graduated April 2014.
  2. Yaseen Hamaamin, Ph.D. Student, Biosystems and Agricultural Engineering. Project: Applications of Soft Computing and Statistical Methods in Water Resources Management. Graduated January 2014.
  3. Melissa Rojas-Downing, M.Sc. student in Biosystems and Agricultural Engineering.  Michigan State University, Project: Resource Use, Conservation and Environmental Impacts in the Transition from Confinement to Pasture-Based Dairies. Co-advised with Dr. Harrigan, Graduated November 2013.
  4. Subhasis Giri, Ph.D. Student, Biosystems and Agricultural Engineering. Project: Assessing Best Management Practice and Implementation Strategies to Improve Water Quality. Graduated August 2013.
  5. Shuai Zhang, M.Sc. Student, Biosystems and Agricultural Engineering. Project: Modeling Oxygen Concentration in Wastewater-Irrigated Soil. Co-advised with Dr. Safferman, Graduated August 2013.
  6. Atiq Syed, Ph.D. Biosystems and Agricultural Engineering. Project: Effects of Hydraulic and Hydrologic Flow Routing Methods on Runoff Estimation. Co-advised with Dr. Safferman, Graduated November 2012.
  7. Andrew Sommerlot, M.Sc. Student, Biosystems and Agricultural Engineering. Project: Developing New Modeling Techniques to Evaluate the Environmental and Economic Impacts of Individual Management Practices at the Field and Watershed Scales. Graduated July 2012.
  8. Matthew Einheuser, M.Sc. Student, Crop and Soil Sciences. Project: Exploring Relationships between In-Stream Conditions and Ecological Health under Landuse and Climate Scenarios Using a Watershed Model. Graduated December 2011.
  9. Sean Woznicki, M.Sc. Student, Biosystems and Agricultural Engineering. Project: Assessing the Impacts of Climate Change on Best Management Practice Implementation Strategies. Graduated December 2010.
  10. Brad Love, M.Sc. Student, Biosystems and Agricultural Engineering. Project: Environmental Impact Assessment of Biofuel Crops Expansion in Michigan. Graduated December 2010.
Publications: 
• Hamaamin, Y.A., U. Adhikari, A.P. Nejadhashemi, T. Harrigan, and D.M. Reinhold, 2014. Modeling Escherichia coli Removal in Constructed Wetlands under Pulse Loading, Water Research, 50: 441-454.
• Woznicki S. A. and A. P. Nejadhashemi, 2014. Assessing Uncertainty in Best Management Practice Effectiveness under Future Climate Scenarios. Hydrological Processes, 28: 25550-2566.
• Giri, S., A.P. Nejadhashemi, S. Woznicki, and Z. Zhang, 2014. Analysis of Best Management Practice Effectiveness and Spatiotemporal Variability Based on Different Targeting Strategies, Hydrological Process, 28: 431-455.
• Martinez-Martinez E., A. P. Nejadhashemi, S.A. Woznicki, and B. J. Love. 2014. Modeling the Hydrological Significant of Wetland Restoration Scenarios, Journal of Environmental Management, 133: 121-134.
• Giri, S., A.P. Nejadhashemi, 2014. Application of Analytical Hierarchy Process for Effective Selection of Agricultural Best Management Practices. Journal of Environmental Management, 132: 165-177.
• Mutenyo I., A. P. Nejadhashemi, S.A. Woznicki, and S. Giri. 2013. Evaluation of SWAT Performance on a Mountainous Watershed in Tropical Africa, Hydrology: Current Research, DOI: 10.4172/2157-7587.S14-001.
• Einheuser, M., A.P. Nejadhashemi, S. A. Woznicki, 2013, Stream Health Sensitivity to Landscape Changes due to Bioenergy Crops Expansion. Biomass & Bioenergy, 58: 198-209.
• Sanchez G., A. P. Nejadhashemi, Z. Zhang; S.A. Woznicki; G. Habron; S. Marquart-Pyatt; A. Shortridge. 2013. Development of a Socio-ecological Environmental Justice Model for Watershed-based Management, Journal of Hydrology, DOI: 10.1016/j.jhydrol.2013.08.014.
• Smith, C., J. Williams, A.P. Nejadhashemi, S.A. Woznicki, J.C. Leatherman, 2013, Cropland Management versus Dredging: An Economic Analysis of Reservoir Sediment Management. Lake and Reservoir Management, 29:151-164.
• Sommerlot A. R., A. P. Nejadhashemi, S.A. Woznicki, and M.D. Prohaska. 2013. Evaluating the Impact of Field-scale Management Strategies at the Watershed Outlet, Journal of Environmental Management, 128:735-748.
• Sommerlot A. R., A. P. Nejadhashemi, S.A. Woznicki, S. Giri, and M.D. Prohaska. 2013. Evaluating the Capabilities of Watershed-Scale Models in Estimating Sediment Yield at Field-Scale, Journal of Environmental Management, 127(2013): 228-236.
• Parsinejad, M., A. BemaniYazdi, S. Araghinejad, A.P. Nejadhashemi, and M. Sarai Tabrizi, 2013. Optimal Water Allocation in Irrigation Networks Based on Real Time Climatic Data, Agricultural Water Management, 117: 1-8.
• Woznicki S. A. and A. P. Nejadhashemi, 2013. Spatial and Temporal Variabilities of Sediment Delivery Ratio, Water Resources Management, 27: 2483-2499.
• Hamaamin, Y.A., A.P. Nejadhashemi, and M.D. Einheuser, 2013, Application of Fuzzy Logic Techniques in Estimating the Regional Index Flow for Michigan, Transactions of the ASABE, 56(1): 103-115.
• Einheuser, M., A.P. Nejadhashemi, L. Wang, S.P. Sowa, and S. Woznicki, 2013, Linking Biological Integrity and Watershed Models to Assess the Impacts of Historical Land Use and Climate Changes on Stream Health, Environmental Management, 51(6): 1147-1163.
• Einheuser, M., A.P. Nejadhashemi, S.P. Sowa, L. Wang, Y. A. Hamaamin, S. A. Woznicki, 2012, Model the Effects of Conservation Practices on Stream Health, Science of the Total Environment, 435-436 (2012): 380-391.
• Giri, S., A.P. Nejadhashemi, and S.A. Woznicki, 2012, Evaluation of Targeting Methods for Implementation of Best Management Practices in the Saginaw River Watershed, Journal of Environmental Management, 103: 24-40.
• Woznicki S. A. and A. P. Nejadhashemi, 2012. Best Management Practice Sensitivity Analysis under Climate Change Scenarios. Journal of the American Water Resources Association, 48(1): 90-112.
• Nejadhashemi, A.P, B. J. Wardynski, and J. D. Munoz, 2012. Large-Scale Hydrologic Modeling of the Michigan and Wisconsin Agricultural Regions to Study Impacts of Land Use Changes. Transactions of the ASABE, 55(3): 821-838.
• Love, B. J., M. D. Einheuser and A. P. Nejadhashemi, 2011, Effects on Aquatic and Human Health due to Large Scale Bioenergy Crop Expansion, Science of the Total Environment, 409: 3215-3229.
• Love, B. J. and A. P. Nejadhashemi, 2011, Water Quality Impact Assessment of Large Scale Biofuel Crops Expansion in Agricultural Regions of Michigan, Journal of Biomass & Bioenergy, 35(5): 2200-2216.
• Nejadhashemi, A.P., S.A. Woznicki, and K.R. Douglas-Mankin, 2011. Comparison of Four Models (STEPL, PLOAD, L-THIA, SWAT) in Simulating Sediment, N, and P Loads and Source Areas for Watershed Planning. Transactions of the ASABE, 54(3): 875-890.
• Woznicki S. A. and A. P. Nejadhashemi, and C.M. Smith, 2011. Assessing Best Management Practice Implementation Strategies under Climate Change Scenarios. Transactions of the ASABE, 54(1): 171-190.
• Love B. J. and A. P. Nejadhashemi, 2011. Environmental Impact Analysis of Biofuel Crops Expansion in the Saginaw River Watershed. Journal of Biobased Materials and Bioenergy, 5(1): 30-54.
• Smith, C.M., A.P. Nejadhashemi, and J.C. Leatherman, 2009. Using a BMP Auction as a Tool for the Implementation of Conservation Practices, Journal of Extension 47(4): 1-10.
• Nejadhashemi, A.P., A. Shirmohammadi, J.M. Sheridan, H.J. Montas, and K.R. Mankin. 2009. Evaluation of Streamflow Partitioning Methods. Journal of Irrigation and Drainage Engineering. 135(6): 791-801.
• Nejadhashemi, A.P., A. Shirmohammadi, H.J. Montas, J.M. Sheridan, D.D. Bosch. 2008. Watershed Physical and Hydrological Effects on Baseflow Separation. Journal of Hydrologic Engineering. Vol. 13(10): 971-980.
• Nejadhashemi, A.P., J.M. Sheridan, A. Shirmohammadi, and H.J. Montas. 2007. Hydrograph Separation by Incorporating Climatological Factors: Application to Small Experimental Watersheds, Journal of the American Water Resources Association 43(3): 744–756.
• Chinkuyu, A., T. Meixner, T. Gish, and A.P. Nejadhashemi, 2006. Prediction of NO3-N Losses in Surface Runoff from a field with Seepage Zones Using GLEAMS and RZWQM. Transactions of the ASABE, Vol. 49(6):1779-1790.
• Sohrabi, T.M., A. Shirmohammadi, T.W. Chu, H.J. Montas, and A.P. Nejadhashemi, 2003. Uncertainty Analysis of Hydrologic and Water Quality Predictions for a Small Watershed Using SWAT2000. Environmental Forensics, 4:229-238.
• Nejadhashemi, A.P., S. Mahmoodi, and H. Rahimi, 2000. Investigation of Permeability Properties of Gypsiferous Soil during Leaching Process. Iranian Journal of Agricultural Sciences, 31(2): 242-254.
• Rahimi, H. and A.P. Nejadhashemi, 1999. Leaching Effects on Consolidation Properties of Gypsiferous Soils. Iranian Journal of Agricultural Sciences, 30(2): 297-307.
• Rahimi, H., S. Tatelary, and A.P. Nejadhashemi, 1999. Investigation on some Physical and Chemical Characteristics of Gypsiferous Soils and Comparison with Common Standard Methods. Iranian Journal of Agricultural Sciences, 29(1): 117-129.
Education: 
Ph.D. 2006, University of Maryland, College Park, Biological Resources Engineering (Bioenvironmental and Water Resources Engineering), Ph.D. Dissertation: Improvement in Estimating Pollution Transport by Developing Streamflow Components Assessment in the GIS Environment.