HydroBASINS lev08 watershed · #4081137320
Bassin de Ponnaiyar
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Krishnagiri
Sub-basin area
32,8km²
Upstream area
3 670,7km²
Discharge
2,85m³/s
Mean elev.
571m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ponnaiyar356 km²
- Bassin de Ponnaiyar302 km²
1 dept-equivalent regions (GADM L2)
- Krishnagiri32.6 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 2 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
26,0°C
Annual rain
751mm
Moisture idx (CMI)
-0,57
Runoff
101mm/an
PET
1 747mm
AET
633mm
Mean slope
4,4°
Water table
239cm
Forest
19%
Crops
72%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)