HydroBASINS lev08 watershed · #4080358510
Bassin de 古洞河
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 1 administrative regions : Yanbian Korean
Sub-basin area
314,5km²
Upstream area
314,5km²
Discharge
2,54m³/s
Mean elev.
739m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- Yanbian KoreanJilin · China315.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
16 distinct species · 24 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°
2,4°C
Annual rain
662mm
Moisture idx (CMI)
-0,17
Runoff
257mm/an
PET
801mm
AET
564mm
Mean slope
7,3°
Water table
159cm
Forest
74%
Crops
12%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)