HydroBASINS lev08 watershed · #4080810520
Bassin de 横江
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 : Yibin, Zhaotong
Sub-basin area
1 819,4km²
Upstream area
14 890,6km²
Discharge
199m³/s
Mean elev.
935m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de 横江913 km²
- Bassin · #408007267079 km²
- Bassin de 牛街河21 km²
2 dept-equivalent regions (GADM L2)
- 1559.3 km²85.8% of basin
- 257.4 km²14.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
346 distinct species · 653 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°
15,2°C
Annual rain
1 000mm
Moisture idx (CMI)
-0,09
Runoff
487mm/an
PET
1 104mm
AET
844mm
Mean slope
18,4°
Water table
646cm
Forest
49%
Crops
34%
Urban
2%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)