NEW 2-month professional program · Batch 2026
Flood ModellingMasterclass
RS & GIS · HEC-RAS · HEC-HMS · HEC-DSS
One course, the complete flood-modelling workflow — from satellite images and DEMs to a calibrated hydrologic model, a 2D hydraulic flood map and a professional report. Everything is taught from scratch and practised on real Indian flood events.
First batch starts 15 December 2026
-- Days
-- Hours
-- Min
-- Sec
01
Workflow you will master
03
Course roadmap · 7 sections, 54 days
01
Introduction to GIS & Hydraulics
RS & GIS for hydrology and flood mapping
QGIS Google Earth Engine Sentinel-1/2
+ Day-by-day plan
01 W1 · Mon
Course Orientation: Hydrology, Hydraulics & Flood Modelling Hydrology vs hydraulics: what each one answers Types of floods: riverine, flash, urban/pluvial, dam-break How RS/GIS, HMS, RAS & DSS connect in one workflow
Practical
Install QGIS (LTR), HEC-RAS, HEC-HMS, HEC-DSSVue; activate a Google Earth Engine account
Assignment Screenshot of all installed software + GEE code editor
02 W1 · Tue
QGIS Essentials for Hydrology Raster vs vector, resolution and pixel concepts Geographic vs projected CRS, why UTM for hydrology
Practical
QGIS interface, layers and plugins; reproject a layer to the correct UTM zone
Assignment Load a basin boundary and reproject it to UTM
03 W1 · Wed
DEM: Sources, Download & Preparation SRTM, ALOS PALSAR 12.5 m, Copernicus GLO-30, CartoDEM Vertical accuracy and choosing a resolution
Practical
Download, mosaic, clip and reproject a DEM; terrain derivatives: hillshade, slope, contours
Assignment Clean, projected DEM of your own river area
04 W1 · Thu
DEM for Hydrology I: Flow Direction & Accumulation Sinks, fill/breach, D8 flow direction Flow accumulation and threshold logic
Practical
Fill sinks, flow direction, flow accumulation (QGIS / SAGA / GRASS)
Assignment Flow accumulation map with styled symbology
05 W1 · Fri
DEM for Hydrology II: Streams & Watershed Stream network, Strahler stream order Pour point, watershed and sub-basin delineation
Practical
Extract stream network and delineate watershed + sub-basins; basic morphometry: area, length, slope, drainage density
Assignment Watershed map with stream order and sub-basins
06 W1 · Sat
Hydrology Water Mapping: NDWI / MNDWI Spectral behaviour of water NDWI vs MNDWI and threshold selection (Otsu)
Practical
Sentinel-2 water body extraction in GEE and QGIS; raster-to-vector water mask and area statistics
Assignment Water body map of a reservoir (e.g. Pong Dam), two dates
07 W2 · Mon
Microwave RS & SAR Basics for Floods Why SAR sees through clouds, backscatter, VV/VH Specular reflection of water, speckle
Practical
Sentinel-1 GRD search and filtering in GEE; speckle filter and dB visualisation
Assignment Pre- and post-event Sentinel-1 composites
08 W2 · Tue
Flood Inundation Mapping using Sentinel-1 SAR Change detection method, ratio/difference image Removing permanent water and steep slopes
Practical
Full GEE flood-extent script, export to QGIS; flooded area and affected LULC statistics
Assignment SAR flood inundation map of the 2025 Punjab floods
09 W2 · Wed
Flood Susceptibility: MCDM-AHP Theory Conditioning factors: slope, elevation, distance to river, drainage density, rainfall, LULC, soil, TWI Saaty scale, pairwise matrix, weights, consistency ratio
Practical
Build the AHP matrix in a spreadsheet, check CR < 0.1
Assignment AHP weight table for your study area
10 W2 · Thu
Flood Susceptibility Mapping using RS & GIS Reclassification and weighted overlay Validation with observed flood extent
Practical
Prepare factor layers, reclassify, weighted overlay; validate against the SAR flood map, make the final layout
Assignment Section 1 mini-project: susceptibility map + 1-page summary
02
HEC-RAS Theory
Hydraulics from scratch — only what the software actually uses
Open-channel hydraulics 1D / 2D concepts
+ Day-by-day plan
11 W2 · Fri
Open-Channel Flow Fundamentals Steady vs unsteady, uniform vs varied flow Froude number: subcritical, critical, supercritical
Worked example
Worked examples on real river sections
Assignment Short concept quiz
12 W2 · Sat
Energy & Continuity: The Heart of HEC-RAS Continuity equation, Bernoulli/energy equation Specific energy, critical depth, EGL vs HGL
Worked example
Hand-calculate a water surface for one reach
Assignment Numerical problem set
13 W3 · Mon
Manning's Equation & Roughness Manning's equation and conveyance Selecting n for channel and floodplain (Chow tables) LULC-based spatially varying n
Worked example
Build an n lookup table from ESA WorldCover classes
Assignment Manning's n table for your study area
14 W3 · Tue
How HEC-RAS 1D Steady Flow Computes Standard step method, energy losses Expansion/contraction coefficients, ineffective flow areas, levees
Worked example
Walk-through of a steady computation log
Assignment Explain the standard step method in your own words
15 W3 · Wed
Boundary & Initial Conditions Flow hydrograph, stage hydrograph, rating curve Normal depth (friction slope), critical depth Initial conditions and warm-up
Worked example
Choosing the right BC for 5 real scenarios
Assignment BC selection worksheet
16 W3 · Thu
Unsteady Flow & Choosing 1D, 2D or 1D/2D Saint-Venant equations (concept level) When to use 1D, 2D or coupled models
Worked example
Decision chart using the course case studies
Assignment Pick a model type for 3 given problems, with reasons
17 W3 · Fri
2D Modelling Concepts Mesh, cell size, breaklines, refinement regions Diffusion Wave vs Shallow Water (full momentum) Time step, Courant number and stability
Worked example
Mesh-quality examples: good vs bad
Assignment Courant-based time step calculation
18 W3 · Sat
Structures, Stability & Model QA/QC Bridges, culverts, weirs, inline structures, dams Common errors and warnings, volume balance Calibration and validation concepts
Worked example
Error-reading practice on sample output
Assignment Section 2 theory test
03
HEC-RAS Practical
1D, 2D and three real Indian flood case studies
HEC-RAS 6.x RAS Mapper QGIS
+ Day-by-day plan
19 W4 · Mon
HEC-RAS Interface & Project Setup Project, plan, geometry, flow files Units, projection (.prj) and RAS Mapper
Practical
Create a new project and set the projection
Assignment Empty project with correct projection
20 W4 · Tue
Terrain & Land Cover in RAS Mapper Terrain concepts, DEM to terrain (.hdf/.tif)
Practical
Create terrain from DEM; add LULC layer and assign Manning's n
Assignment Terrain + land cover layer ready
21 W4 · Wed
1D Geometry: River, Banks & Flow Paths River centreline, bank lines, flow paths Reach naming and flow direction
Practical
Draw the river, banks and flow paths in RAS Mapper
Assignment Complete river geometry layers
22 W4 · Thu
Cross Sections from Terrain Cut-line spacing rules, perpendicular to flow Bank stations and Manning's n per section
Practical
Draw cut lines, extract elevations, edit in geometry editor
Assignment Minimum 15 clean cross sections
23 W4 · Fri
Steady Flow Data & First Simulation Flow profiles (e.g. 25/50/100-year) Upstream flow and downstream normal depth
Practical
Enter steady flow data and run a steady simulation
Assignment First successful steady run
24 W4 · Sat
Reading Results & Troubleshooting Profile plot, cross-section plot, rating curve EGL, velocity, summary tables, warnings
Practical
Interpret results and fix common errors
Assignment Export profile plot + result table
25 W5 · Mon
Floodplain Mapping in RAS Mapper WSE, depth and velocity rasters Inundation boundary
Practical
Create and export flood maps as GeoTIFF to QGIS
Assignment Flood depth map layout
26 W5 · Tue
Unsteady 1D Flow Simulation Flow hydrograph BC, computation interval Output and mapping intervals
Practical
Build unsteady flow file and run
Assignment Unsteady 1D model with stage/flow hydrographs
27 W5 · Wed
2D Flow Area & Mesh Generation 2D perimeter, cell size, breaklines, refinement
Practical
Create 2D flow area, generate and fix the mesh
Assignment Error-free 2D mesh
28 W5 · Thu
2D Boundary Conditions & Simulation BC lines: inflow hydrograph, normal depth outflow Volume accounting and stability checks
Practical
Set up and run a 2D unsteady simulation
Assignment Completed 2D run with volume error < 1%
29 W5 · Fri
2D Results: Depth, Velocity & Arrival Time Max depth, velocity, arrival time, duration
Practical
Animate the flood, extract time series at points
Assignment Flood animation + max-depth map
30 W5 · Sat
Case Study 1: Punjab 2025 Floods (Pong Dam → Harike) — Setup Dam-release-driven flooding on the Beas Using dam release data when gauges are missing
Practical
Terrain, 2D area and dam-release hydrograph for the Beas reach
Assignment Model set up for the Beas reach
31 W6 · Mon
Case Study 1: Run & Validate with SAR Model validation with satellite flood extent Fit metrics: overlap, F-index, hit/miss
Practical
Run the model and compare against the Sentinel-1 flood map (Section 1)
Assignment Validation map + metrics table
32 W6 · Tue
Case Study 2: Pong Dam Breach Analysis Dam-break basics, breach parameters (Froehlich) SA/2D connection as a dam
Practical
Model the breach and map downstream inundation
Assignment Dam-break inundation and arrival-time map
33 W6 · Wed
Case Study 3: Dehradun Urban Pluvial Flooding Rain-on-grid (direct precipitation) 2D modelling Urban roughness and building treatment
Practical
Precipitation BC on a 2D mesh and run
Assignment Urban flood depth hotspot map
34 W6 · Thu
Flood Hazard Mapping & Map Layout Hazard classes from depth × velocity LULC and exposure overlay
Practical
Classify hazard in QGIS, flooded-area statistics, print layout
Assignment Professional flood hazard map
04
HEC-HMS Theory
Rainfall-runoff concepts behind every HMS input box
Hydrology Loss / transform / routing
+ Day-by-day plan
35 W6 · Fri
Rainfall-Runoff Process & HEC-HMS Components Hydrologic cycle, runoff generation Basin model, meteorologic model, control specs, time-series data
Worked example
HMS architecture walk-through
Assignment Concept map of HMS components
36 W6 · Sat
Loss Methods: SCS Curve Number Curve number, hydrologic soil groups, AMC Why CN needs LULC + soil together Initial abstraction, % impervious
Worked example
Hand-calculate runoff from a rainfall event
Assignment CN numerical problems
37 W7 · Mon
Transform Methods: Unit Hydrograph SCS unit hydrograph, Clark, lag time Time of concentration formulas (Kirpich, SCS lag)
Worked example
Compute lag time for sample sub-basins
Assignment Lag time table
38 W7 · Tue
Channel Routing & Baseflow Muskingum, Muskingum-Cunge, Lag Recession and constant monthly baseflow
Worked example
Choosing routing for gauged vs ungauged basins
Assignment Routing method comparison note
39 W7 · Wed
Precipitation Input & Calibration Gauge, gridded and satellite rainfall (GPM IMERG, NASA POWER) Basin averaging, calibration metrics: NSE, PBIAS, R²
Worked example
Compute NSE and PBIAS in a spreadsheet
Assignment Section 4 theory test
05
HEC-HMS Practical
Beas basin model, built step by step
HEC-HMS 4.x QGIS GPM IMERG
+ Day-by-day plan
40 W7 · Thu
HEC-HMS Project & Terrain Preprocessing
Practical
Create a project, import DEM, preprocess sinks and drainage
Assignment Preprocessed terrain in HMS
41 W7 · Fri
Basin Model: Beas Sub-basins & Reaches Elements: subbasin, reach, junction, sink
Practical
Delineate the Beas basin into sub-basins and reaches
Assignment Basin model with sub-basins and reaches
42 W7 · Sat
Curve Number Map in QGIS LULC (ESA WorldCover) + HSG soil = realistic CN Lesson from our project: CN without soil comes out far too low
Practical
Build a CN grid and zonal statistics per sub-basin
Assignment CN table per sub-basin
43 W8 · Mon
Loss, Transform & Routing Parameters
Practical
Enter SCS-CN, SCS UH lag and Muskingum-Cunge parameters
Assignment Fully parameterised basin model
44 W8 · Tue
Meteorologic Model & Control Specifications Specified hyetograph, time windows
Practical
Import GPM IMERG / NASA POWER daily rainfall, 1 Jun – 30 Sep 2025
Assignment Met model + control specs
45 W8 · Wed
Run Simulation & Read Results Hydrograph, peak flow, volume, summary tables
Practical
Run, then read global and element results
Assignment Outlet hydrograph + summary report
46 W8 · Thu
Calibration, Sensitivity & Design Storm Optimisation trials, sensitive parameters
Practical
Calibrate CN/lag, run a design-storm scenario
Assignment Before/after calibration comparison
47 W8 · Fri
Linking HEC-HMS to HEC-RAS Punjab incremental catchment (7 sub-basins) + Pong Dam release
Practical
Use the HMS hydrograph as the RAS upstream boundary condition
Assignment Combined HMS-RAS flood run
06
HEC-DSS
The data backbone linking HMS and RAS
HEC-DSSVue
+ Day-by-day plan
48 W8 · Sat
HEC-DSS Concepts & DSSVue Interface What DSS is and why HMS/RAS use it Pathname parts A/B/C/D/E/F, DSS-6 vs DSS-7
Practical
Open HMS/RAS output .dss files in DSSVue
Assignment Catalogue and plot 3 records
49 W9 · Mon
Import, Plot & Edit Time Series Regular vs irregular series, units and data types
Practical
Import CSV/Excel rainfall and flow into DSS, tabulate, edit, math functions
Assignment Rainfall record created in DSS
50 W9 · Tue
Linking DSS with HMS & RAS DSS gauges in HMS, DSS boundary conditions in RAS Versioning runs using the F-part
Practical
Compare runs, export to Excel, fix common DSS errors
Assignment Comparison plot of two model runs
07
Capstone & Career
Complete project, report, presentation, certification
End-to-end workflow
+ Day-by-day plan
51 W9 · Wed
Capstone Project Briefing Industry workflow, data collection, folder structure
Practical
Pick a basin: RS/GIS, then HMS, DSS, RAS and QGIS
Assignment Project plan + data list
52 W9 · Thu
Capstone Work & Doubt Clearing
Practical
Guided model building
Assignment Working model
53 W9 · Fri
Professional Flood Report & Map Layouts Report structure, figures, tables
Practical
Export maps, hydrographs and profiles
Assignment Final project report
54 W9 · Sat
Final Presentations, Career Guidance & Certification Consultancy, freelancing, government and MNC roles Interview questions on RAS/HMS
Practical
Student presentations
Assignment Certificate of completion
04
2-month course calendar
Mon
Tue
Wed
Thu
Fri
Sat
Sun
W1
D01 Orientation & Setup
D02 QGIS & CRS
D03 DEM Sources
D04 DEM Hydrology
D05 Watershed
D06 Water Mapping
OFF
W2
D07 SAR Basics
D08 SAR Flood Map
D09 AHP Theory
D10 AHP Mapping
D11 Open Channel Flow
D12 Energy Equation
OFF
W3
D13 Manning's n
D14 Standard Step
D15 Boundary Conditions
D16 Unsteady & 1D/2D
D17 2D Concepts
D18 Structures & QA/QC
OFF
W4
D19 RAS Setup
D20 Terrain
D21 River Geometry
D22 Cross Sections
D23 Steady Run
D24 Results
OFF
W5
D25 Flood Maps 1D
D26 Unsteady 1D
D27 2D Mesh
D28 2D Run
D29 2D Results
D30 Case: Punjab I
OFF
W6
D31 Case: Punjab II
D32 Case: Dam Break
D33 Case: Urban Flood
D34 Hazard Mapping
D35 HMS Concepts
D36 Loss: SCS-CN
OFF
W7
D37 Transform
D38 Routing & Baseflow
D39 Precip & Calibration
D40 HMS Project
D41 Basin Model
D42 CN Map
OFF
W8
D43 Parameters
D44 Met Model
D45 HMS Run
D46 Calibration
D47 HMS → RAS
D48 DSS Concepts
OFF
W9
D49 DSS Import
D50 DSS Linking
D51 Capstone Brief
D52 Capstone Work
D53 Report
D54 Presentation
OFF
01 · Introduction to GIS & Hydraulics 02 · HEC-RAS Theory 03 · HEC-RAS Practical 04 · HEC-HMS Theory 05 · HEC-HMS Practical 06 · HEC-DSS 07 · Capstone & Career
Day 1 is the first class of the batch. If a class falls on a public holiday, it moves to the next working day. Sunday off.
05
Daily class format · 60 minutes
20 min
Concept & theory
Whiteboard explanation with simple analogies
30 min
Live practical
Hands-on in the software, follow along
10 min
Q&A + assignment
Doubt clearing and daily task
06
Real projects you will build
Case study 1
Punjab 2025 Floods Beas reach, Pong Dam to Harike: HMS + RAS 2D, validated with Sentinel-1 SAR.
Case study 2
Pong Dam Breach Dam-break inundation and flood arrival-time mapping with Froehlich breach parameters.
Case study 3
Dehradun Urban Flood 2D rain-on-grid pluvial flooding and urban depth hotspots.
Hydrology
Beas Basin Runoff HEC-HMS rainfall-runoff model driven by GPM IMERG rainfall.
RS & GIS
Flood Susceptibility AHP-based susceptibility map, validated against the SAR flood extent.
07
Who it's for & what you'll walk away with
Who this course is for UG/PG students of civil, geology, geography, environmental science, agriculture engineering Working professionals in water resources, disaster management and consultancy Researchers who need flood modelling for a thesis or paper Beginners — every topic starts from scratch
By the end, you will be able to Process DEMs for full hydrological analysis: streams, watersheds, morphometry Map water bodies (NDWI/MNDWI) and flood extent from Sentinel-1 SAR in GEE Build AHP flood susceptibility maps and validate them Understand the hydraulics behind every HEC-RAS input Build 1D steady/unsteady and 2D HEC-RAS models, including dam-break and urban rain-on-grid Build and calibrate HEC-HMS rainfall-runoff models Manage and link model data with HEC-DSS Deliver a professional flood report and a portfolio-ready capstone project
Screenshot of each step
Project file saved & shared
Map / graph exported output
Short note what you learned
Reserve your seat for 15 December
Limited seats per batch for personal doubt support. DM us for the current batch fee and the early-access discount.
Certificate + portfolio project — awarded on capstone completion, issued by MapCraft GIS (UDYAM-registered MSME).