HydroBASINS lev08 watershed · #4080482790
Bassin de 北大河
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 1 administrative regions : Zhangye
Sub-basin area
46,1km²
Upstream area
4 805,1km²
Discharge
6,9m³/s
Mean elev.
3 519m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 北大河1206 km²
- Bassin de 北大河338 km²
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 6 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°
-3,2°C
Annual rain
237mm
Moisture idx (CMI)
-0,60
Runoff
31mm/an
PET
614mm
AET
230mm
Mean slope
27,4°
Water table
769cm
Forest
0%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)