IIT Kharagpur syllabus Modeling and Simulation for
Agricultural Water Management
Modeling and Simulation for Agricultural WaterManagement
Prerequsites: AG21002 Modeling and Simulation: Definition and purpose of modeling, modeling
terminology, modeling versus simulation, types of models, modeling
protocol, continuum approach to modeling porous media.
Application of Modeling Techniques to Agricultural Water Management:
Finite-difference method (FDM), and finite-element method (FEM), numerical
errors, validity of numerical solutions.
Modeling Unsaturated Flow: Soil water potential, capillarity, soil moisture
characteristics and hydraulic conductivity curves, soil-water flow, effective
permeability, motion and mass balance equations, initial and boundary
conditions, complete mathematical model of unsaturated flow, on-farm
water balance modeling.
Water Uptake by Plant Roots: Mathematical description of water uptake by
potential transpiration.
Numerical Approximation of Flow in Soil-Root Systems: Initial and boundary
conditions, finite difference approximation, model development, calibration
and verification, case studies.
Modeling of Crop Production: Mathematical description of crop growth, water
versus actual production, calculation of potential production, case studies.
Modeling Saturated Flow: Aquifer storativity, effective stress, fundamental
mass balance equation, initial and boundary conditions, complete
mathematical models of flow in confined, phreatic and leaky aquifers, model
execution and calibration process, case studies.
Modeling and Simulation of Irrigation Canal Systems: Commonly used
modeling techniques, overview of popular software packages for canal flow
simulation.
Water Quality Prediction and Simulation: Fundamentals of water quality
modeling, types of water quality models, model development, calibration
and verification, NPS models, case studies.
Modeling Subsurface Contamination: Classification of contaminants,
hydrodynamic dispersion in saturated and unsaturated domains, advective,
dispersive and diffusive fluxes, balance equation for a contaminant, initial
and boundary conditions, source and sink terms, complete statement of
contaminant model, scale effects and macrodispersion, salient case studies.
Rational Use of Models: Reliability and rational use of models for planning
and management of water resources systems, salient software packages for
agricultural water management.