HydroBASINS lev08 watershed · #4080402080
Bassin de 남사강
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 4 administrative regions : Hwap'yŏng, Kimhyŏngjik, Kimjŏngsuk, Rangrim
Sub-basin area
653km²
Upstream area
653km²
Discharge
4,15m³/s
Mean elev.
1 211m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 402.8 km²61.6% of basin
- 247.8 km²37.9% of basin
- 2.0 km²0.3% of basin
- 1.3 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 29 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°
0,8°C
Annual rain
900mm
Moisture idx (CMI)
0,16
Runoff
205mm/an
PET
752mm
AET
680mm
Mean slope
19,4°
Water table
485cm
Forest
97%
Crops
2%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)