HydroBASINS lev08 watershed · #4080005190
Bassin de 읍천
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 across 2 countries : Ch'ŏngdan, Ganghwa, Haeju, Kangry'ŏng, Ongjin +3
Sub-basin area
2 156,9km²
Upstream area
2 156,9km²
Discharge
1,55m³/s
Mean elev.
60m
Administrative coverage
9 dept-equivalent regions (GADM L2)
- 621.3 km²28.8% of basin
- 572.4 km²26.5% of basin
- 249.8 km²11.6% of basin
- 220.3 km²10.2% of basin
- 164.6 km²7.6% of basin
- 74.1 km²3.4% of basin
- 32.4 km²1.5% of basin
- 16.5 km²0.8% of basin
1 moreFull L2 list
- Ganghwa0.2 km² · 0.0%
12 intersecting protected areas
Scenic Site
1.70 km² overlap
Natural Monument
1.10 km² overlap
Natural Monument
0.43 km² overlap
Natural Monument
0.43 km² overlap
Natural Monument
0.16 km² overlap
Natural Monument
0.08 km² overlap
Gujido
IUCN IVSpecial Island
0.05 km² overlap
Forest Genetic Resources Reserve
0.05 km² overlap
Natural Environment Conservation Areas
0.04 km² overlap
3 more protected areassorted by overlap area
Natural Monument
0.02 km² overlap
Natural Monument
0.00 km² overlap
Natural Monument
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 10 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°
10,8°C
Annual rain
996mm
Moisture idx (CMI)
0,12
Runoff
428mm/an
PET
868mm
AET
760mm
Mean slope
5,2°
Water table
241cm
Forest
25%
Crops
63%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)