HydroBASINS lev08 watershed · #5080020000
Bassin de Sungai Sembakung
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 3 administrative regions : Bulungan, Nunukan, Tana Tidung
Sub-basin area
1 516km²
Upstream area
1 516km²
Discharge
7,78m³/s
Mean elev.
21m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- Nunukan841.2 km²55.7% of basin
- 431.5 km²28.6% of basin
- 112.6 km²7.5% of basin
1 intersecting protected areas
Binusan dan Pulau Sinelak
IUCN VIMarine Park
3.42 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
21 distinct species · 23 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°
26,9°C
Annual rain
2 761mm
Moisture idx (CMI)
0,45
Runoff
1 305mm/an
PET
1 502mm
AET
1 502mm
Mean slope
0,9°
Water table
29cm
Forest
97%
Crops
10%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)