HydroBASINS lev08 watershed · #5080188180
Bassin de Sepik River
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 : Angoram
Sub-basin area
1km²
Upstream area
5 598,7km²
Discharge
306,92m³/s
Mean elev.
4m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Keram River832 km²
- Bassin de Keram River473 km²
1 dept-equivalent regions (GADM L2)
- 1.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
72 distinct species · 141 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°
27,0°C
Annual rain
1 997mm
Moisture idx (CMI)
0,11
Runoff
1 328mm/an
PET
1 775mm
AET
1 526mm
Mean slope
0,3°
Water table
8cm
Forest
40%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)