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Awareness Workshopon
“Integrated Water ResourcesManagement Applications developed under
Hydrology Project-II”
January 29, 2014
By Central Water Commission
Hydrological Design Aids (Surface Water)
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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
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Components of HDAAs 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
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HDA Framework
Models
database
Design Aids/ Guidelines
Assess Hydrological Design parameters and produce DPR Hydrology Chapter
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HDA Software–ArchitectureData 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
Data type in HDA
Regular Series data Irregular series data Paired data Physical parameters Spatial data
Windows Forms (Code Behind)
Windows Forms (UI)
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HDA Software–Architecture Business Layer
Maintains business rules and logic Business process logic Contains Global functionsProvides process and user input validations Maintains in-between processed data as temporary data file Error / Warning handling
Example Base flow separation - Constant Baseflow Method - Straight Line Method - Recession Baseflow MethodEffective Rainfall Hyteograph (ERH) Watershed Delineation using MapWindow
Windows Forms (Code Behind)
Windows Forms (UI)
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HDA Software–Architecture Presentation Layer
Houses the user interface and related presentation codeOperation 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
Example User navigation buttons with icons Data in grid Interactive Unit Hydrograph Data modification facility Delineated Watershed in embedded MapWindow Reports
Windows Forms (Code Behind)
Windows Forms (UI)
• Lets proceed with the HDA software
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HDA Software
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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)
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HDA – Watershed Delineation
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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
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HDA Software – Stations Data Entry
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HDA Software – HDA-F( Design Flood)All Commonly used functionalities have been provided:
• Hydro meteorological Approach• Statistical Approach• Peak Flood Estimation
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HDA Software – UH Gauged Catchment – ER Hyetograph
Effective Rainfall Hyetograph methods:
• Constant loss method• W index/Phi index method
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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
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HDA Software – UH Ungauged Catchment – FER Method
Flood Estimation Report (FER) method:
• SUG parameters and UG Ordinates
• Smoothening of UG ordinates and graph
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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”
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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.
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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
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Data CorrectionData Validation
Zonal MapSedimentation Rate using Observed DataRegional ModelSWAT
Trap EfficiencySediment Quantum Calculation
Empirical Area Reduction MethodHEC-RAS
HDA-S Design AidHDA-S User Manual
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REPORT
GENERATION
WRAP-HYD
Flow Flow Naturalization Naturalization
FNM
Basin Basin SimulationSimulationWRAP-SIM
Q
Snowmelt Simulation
Time Series Time Series Simulation Simulation
MWSWAT Model E REGM PROM
Rainfall – Runoff Rainfall – Runoff SimulationSimulation
Software Configuration : HDA-1
MWSWAT
WINSRM
ProcessedProcessed Data Data
TSM
InterfaceWith
eSWISArcGISHYMOSRIBASIMMIKE11MIKEBASIN
HDA-Y ( Water Availability )
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Primary validation Screening and Graphical inspection
Fill-in missing data and Data Correction
Homogeneity Test
Stage -Discharge Relation
Data Compilation and Report Generation
Evapo-transpiration Estimation
Statistical Analysis
Data Validation
Secondary validation
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The Regional Models four river systems for water availability are also being developed as part of TOR
North- Satluj River basinNorth East- Lohit and Barak basinsSouth- Godavari River BasinWest- West Coast ( Damanaganga and and Kannadipuzha) and Tapi River basinObjectiveDevelop 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
Regional study : HDA-Y
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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
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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 basesTraining to State Engineers
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