NADI — National Atlas of Drainage Intelligence, India: interactive map of 212 named river catchments
River hierarchy
——z1.0
Click any basin for its size, network, morphometry, dams, flood exposure and people · scroll to zoom · drag to pan
Loading the atlas: 212 catchments and the drainage network. A few seconds, then everything is instant.
loading inundation strata…
WRI Aqueduct Floods · riverine · 1-in-100-yr · current climate baseline
Layers
Show down to
Colour by
Basins
Colour fillturn off for outlines only
Names
Dim outside Indiakeeps transboundary context visible
Rivers
River coursessource → mouth, traced
Animate flowpulse speed ∝ discharge
Drainage network150,596 reaches drawn
Reference linesNatural Earth
Basemap
Satellite imageryneeds a connection · boundaries stay NADI's
Live & dated
Rainfall, updated dailyGPM IMERG precipitation rate · NASA GIBS
Before & aftertwo dates, one draggable divider · needs MODIS
Hazard & infrastructure
Flood hazard, 1-in-100-yearWRI Aqueduct riverine depth
People in the floodplaincircle area ∝ people exposed · colour = share of the catchment
Water rise & recessionanimates the same depth grid, deepest cells first
CWC gauging stations700, from the NWIC portal
Dams & barrages7,102, Global Dam Watch
Technical
HydroBASINS watershed gridPfafstetter levels 6–8