HydroBASINS lev08 watershed · #5080125510
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 2 administrative regions : Malinau, Nunukan
Sub-basin area
459,6km²
Upstream area
459,7km²
Discharge
19,67m³/s
Mean elev.
603m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Nunukan455.8 km²99.6% of basin
- 1.7 km²0.4% of basin
1 intersecting protected areas
Kayan Mentarang
IUCN IINational Park
34.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
141 distinct species · 499 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°
24,0°C
Annual rain
2 877mm
Moisture idx (CMI)
0,52
Runoff
1 348mm/an
PET
1 376mm
AET
1 376mm
Mean slope
17,8°
Water table
509cm
Forest
90%
Crops
11%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)