Awareness Workshop on “Integrated Water Resources

1. Awareness Workshopon “Integrated Water Resources Management Applications developed underHydrology Project-II” Hydrological Design Aids (Surface Water) January 29, 2014 By Central Water Commission

2. Objectives of HDA-SW • Main objective of development of HDA (SW) is to standardize Hydrological Design Practices in the form of design aids for uniform use, all over the country, using state of the Art technology to the extent possible. • Aims at consolidating various design practices/tools for different design parameters

3. Components of HDA As required in hydrological study of any project, the HDA includes following three modules: • HDA-Y: Assessment of Water Resource Potential-Availability/Yield Assessment • HDA-F: Estimation of Design Flood • HDA- S: Sedimentation rate estimation Apart from various analytical tools, the project also includes preparation of reference manuals and design aids to produce the hydrology chapter of the DPR as per standard guidelines of MoWR

4. Models database HDA Framework Design Aids/ Guidelines Assess Hydrological Design parameters and produce DPR Hydrology Chapter

5. HDA Software–Architecture • Data Layer • Manages the physical storage and retrieval of data • Relational tables • Stored Procedures • Triggers • Indexes for faster data access • DB configuration for faster data processing • Storage of spatial and textual data • Data Export • DB backup & restore Windows Forms (UI) Windows Forms (Code Behind) • Data type in HDA • Regular Series data • Irregular series data • Paired data • Physical parameters • Spatial data

6. HDA Software–Architecture • Business Layer • Maintains business rules and logic • Business process logic • Contains Global functions • Provides process and user input validations • Maintains in-between processed data as temporary data file • Error / Warning handling Windows Forms (UI) Windows Forms (Code Behind) • Example • Base flow separation • - Constant Baseflow Method • - Straight Line Method • - Recession Baseflow Method • Effective Rainfall Hyteograph (ERH) • Watershed Delineation using MapWindow

7. HDA Software–Architecture • Presentation Layer • Houses the user interface and related presentation code • Operation friendly user interfaces • Validation of user inputs • Ease of navigation • Interactive graphs with data • Standard buttons • Standard messages • Supporting operations help • Standard icons for individual processes Windows Forms (UI) Windows Forms (Code Behind) • Example • User navigation buttons with icons • Data in grid • Interactive Unit Hydrograph • Data modification facility • Delineated Watershed in embedded MapWindow • Reports • Lets proceed with the HDA software

8. HDA Software

9. HDA Software – Project Details • All the key information of the project should be entered in the dialog. • Some of the key input fields are: • River/Tributary name • State/District • Type and purpose of the project • Geographical information • Catchment area (entered manually or by automatic delineation)

10. HDA – Watershed Delineation

11. HDA Software – Stations • All the key information of the station should be entered in the dialog. • Some of the key input fields are: • Station name • Catchment area • Geographical information • Parameter type • Units • Time frequency • Data type

12. HDA Software – Stations Data Entry

13. HDA Software – HDA-F( Design Flood) • All Commonly used functionalities have been provided: • Hydro meteorological Approach • Statistical Approach • Peak Flood Estimation

14. HDA Software – UH Gauged Catchment – ER Hyetograph • Effective Rainfall Hyetograph methods: • Constant loss method • W index/Phi index method

15. HDA Software – UH Gauged Catchment – Unit Hydrograph • Effective Unit Hydrograph methods: • Nash method • Collin’s method • Clark’s method • Calibration process • S-curve transformation • Averaging of unit hydrograph • Project site UH

16. HDA Software – UH Ungauged Catchment – FER Method • Flood Estimation Report (FER) method: • SUG parameters and UG Ordinates • Smoothening of UG ordinates and graph

17. HDA Software – UH Ungauged Catchment – GIUH Method • Geomorphological Instantaneous Unit Hydrograph (GIUH) method: • Click on menu item • Select outlet point from dropdown and click “Calculate Morphological Parameters” • Go to “GIUH” tab • Define/calculate velocity • Click “Generate GIUH”

18. HDA – Storm Analysis • Steps to perform: • Click on Storm Analysis from HDA menu. • Add relevant shape files to the opened ArcGIS environment. • Click on “Storm Analysis”. • Click on “Generate Isohyets” • Click on “Clipped Isohyets” • Click on “DAD Preparation” • Go to “Envelope Curve” tab. • Go to “PMP” tab. • Click on “Apply Correction Factor”. • Storm is not Transposed • Storm is Transposed • Go to “Rainfall Distribution Estimation” tab.

20. HDA Software – Peak Flood Estimation • Peak Flood Estimation methods: • Empirical formulae • Dickens • Ryves • Inglis • Nawab Jung Bahadur • W. P. Creagers • Jarvi’s • Myer’s • Dredge and Burge’s • Pettis • Etc. • Rational method • Calculate Tc • Rainfall Intensity – FER • Rainfall Intensity – Rambabu and other • Rainfall Intensity – Raudkivi equation • Rainfall intensity– User-defined • Rainfall intensity – Generate IDF • Calculate Peak Discharge

23. Zonal Map • Sedimentation Rate using Observed Data • Regional Model • SWAT • Empirical Area Reduction Method • HEC-RAS • Data Correction • Data Validation • HDA-S Design Aid • HDA-S User Manual • Trap Efficiency • Sediment Quantum Calculation

30. HDA-Y ( Water Availability ) Software Configuration : HDA-1 Flow Naturalization FNM PROM REGM MWSWAT Model E R E P O R T G E N E R A T I O N Interface With eSWIS ArcGIS HYMOS RIBASIM MIKE11 MIKEBASIN Processed Data WRAP-HYD Snowmelt Simulation Rainfall – Runoff Simulation MWSWAT Basin Simulation WINSRM WRAP-SIM Q Time Series Simulation TSM

31. Data Validation Primary validation Screening and Graphical inspection Secondary validation Fill-in missing data and Data Correction Evapo-transpiration Estimation Homogeneity Test Statistical Analysis Data Compilation and Report Generation Stage -Discharge Relation

32. Regional study : HDA-Y The Regional Models four river systems for water availability are also being developed as part of TOR North- Satluj River basin North East- Lohit and Barak basins South- Godavari River Basin West- West Coast ( Damanaganga and and Kannadipuzha) and Tapi River basin Objective Develop relationships to enable computation of monthly yield series for Monsoon season for an ungauged sub-basin using data on climatic parameters, catchment Characteristic, Land use etc. Status – Work of Tapi basin and Damanganga has been completed and work of Godavari basin is in progress

34. Empirical Relations • Developed empirical equations for the formed clusters were both, month-wise and monsoon season relate the dependent variable discharge (Qsim) with the independent variables namely Precipitation (PCPM), Temperature(TEMPM), Relief (RL), “% Crop Area (%CA), “% Forest Area (%FA) and Unit Area of the sub basin (UA). Qsim= 0.739×(PCPM) + 19.686×(TEMPM) + 0.041×(UA) - 0.089×(RL) + 1.28×(%CA) -1085.98 Correlation coefficient (R) : 0.94

35. Concluding • This project will help in consolidating various design practices/tools for different design parameters • Will infuse standardization in the process of hydrological design parameters estimation and preparation of Hydrology chapter of DPR • Will help in reducing time period for assessment of parameters and their appraisal • Creating data bases • Training to State Engineers

36. Thanks a lot