HydroBASINS lev08 watershed · #4080005320
Bassin de 남대천
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 9 administrative regions : Anak, Changyŏn, Kwail, Ryongyŏn, Samch'ŏn +4
Sub-basin area
747,7km²
Upstream area
748km²
Discharge
7,97m³/s
Mean elev.
99m
Administrative coverage
9 dept-equivalent regions (GADM L2)
- 182.5 km²24.4% of basin
- 180.6 km²24.1% of basin
- 113.6 km²15.2% of basin
- 98.0 km²13.1% of basin
- 66.7 km²8.9% of basin
- 50.1 km²6.7% of basin
- 33.1 km²4.4% of basin
- 12.3 km²1.6% of basin
1 moreFull L2 list
- Anak0.3 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
10,1°C
Annual rain
879mm
Moisture idx (CMI)
0,04
Runoff
369mm/an
PET
838mm
AET
714mm
Mean slope
5,8°
Water table
274cm
Forest
30%
Crops
71%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)