HydroBASINS lev08 watershed · #4080800930
Bassin de 沅江
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 : Changde, Yiyang
Sub-basin area
1 303,3km²
Upstream area
86 214,5km²
Discharge
1 938,47m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 夷望溪740 km²
- Bassin de 夷望溪244 km²
2 dept-equivalent regions (GADM L2)
- 1301.3 km²100.0% of basin
- 0.2 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 20 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°
16,9°C
Annual rain
1 389mm
Moisture idx (CMI)
0,20
Runoff
766mm/an
PET
1 111mm
AET
1 035mm
Mean slope
7,5°
Water table
286cm
Forest
74%
Crops
24%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)