HydroBASINS lev08 watershed · #4080321820
Bassin de 西大河
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 2 administrative regions : Mudanjiang, Yanbian Korean
Sub-basin area
514,7km²
Upstream area
514,7km²
Discharge
1,48m³/s
Mean elev.
628m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Yanbian KoreanJilin · China507.5 km²98.4% of basin
- Mudanjiang8.2 km²1.6% of basin
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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
2,2°C
Annual rain
603mm
Moisture idx (CMI)
-0,22
Runoff
95mm/an
PET
774mm
AET
516mm
Mean slope
8,4°
Water table
182cm
Forest
84%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)