HydroBASINS lev08 watershed · #4080803650
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, Huaihua
Sub-basin area
374,6km²
Upstream area
83 323,6km²
Discharge
1 873,43m³/s
Mean elev.
283m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 洞庭溪719 km²
- Bassin de 沅江416 km²
2 dept-equivalent regions (GADM L2)
- 345.1 km²92.3% of basin
- 29.0 km²7.7% 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
16,5°C
Annual rain
1 421mm
Moisture idx (CMI)
0,22
Runoff
740mm/an
PET
1 110mm
AET
1 051mm
Mean slope
12,3°
Water table
413cm
Forest
40%
Crops
11%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)