HydroBASINS lev08 watershed · #4080510950
Bassin de 구연천
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 5 administrative regions : Ichŏn, Jangpung, Kŭmch'ŏn, Sin'gye, T'osan
Sub-basin area
493,7km²
Upstream area
493,7km²
Discharge
10,88m³/s
Mean elev.
147m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 336.8 km²68.2% of basin
- 93.4 km²18.9% of basin
- 34.5 km²7.0% of basin
- 29.1 km²5.9% of basin
- 0.3 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
8 distinct species · 12 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
1 250mm
Moisture idx (CMI)
0,20
Runoff
696mm/an
PET
994mm
AET
862mm
Mean slope
8,7°
Water table
302cm
Forest
79%
Crops
39%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)