NIH-DHAARA

Design Hydrology and Advanced Rainfall Analysis
National Institute of Hydrology, Roorkee

राष्ट्रीय जल विज्ञान संस्थान (एनआईएच), रूड़की द्वारा बाढ़ जल विज्ञान और वर्षा डेटा विश्लेषण हेतु विकसित वेब प्लेटफॉर्म।

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About Platform

Advanced Hydrological Analysis

NIH-DHAARA is an integrated web platform for design hydrology from rainfall to flood. Generate IDF curves, explore the PMP Atlas, run rainfall and flood frequency analysis, delineate watersheds, and compute design flood hydrographs using CWC sub-zonal methods - all in one place. Built for engineers, scientists, and planners who need fast, reliable, and consistent hydrological assessments.

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Our Tools

Comprehensive suite of hydrological analysis tools

IDF Curve Tool

Generate Intensity-Duration-Frequency curves for design rainfall estimation.
PMP Atlas

Access Probable Maximum Precipitation estimates across Indian regions.
Frequency Analysis

Analyze annual maximum series using Gumbel and GEV distributions.
Design Flood & Hydrograph

Estimate peak flood using the Rational method or compute complete design flood hydrographs using CWC sub-zonal methods.
Watershed Delineation

Delineate watersheds and extract catchment boundaries from digital elevation data.

How It Works

Simple three-step process to get your results

1
Select Location

Choose your area of interest by clicking on the map or entering coordinates.

2
Analyze Data

Our system processes the hydrological data using advanced algorithms.

3
Export Results

Download reports, charts, and data in various formats for your projects.