HydroBASINS lev08 watershed · #5080010820
Bassin de Sungai Welang
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 2 administrative regions : Pasuruan, Sidoarjo
Sub-basin area
17km²
Upstream area
17km²
Discharge
0,11m³/s
Mean elev.
4m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 10.8 km²63.8% of basin
- Sidoarjo1.6 km²9.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 3 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°
26,8°C
Annual rain
1 376mm
Moisture idx (CMI)
-0,24
Runoff
1 216mm/an
PET
1 803mm
AET
1 108mm
Mean slope
0,1°
Water table
3cm
Forest
5%
Crops
57%
Urban
27%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)