HydroBASINS lev08 watershed · #4080460710
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 3 administrative regions : Jiayuguan, Jiuquan, Zhangye
Sub-basin area
2 226,8km²
Upstream area
11 741km²
Discharge
9,67m³/s
Mean elev.
1 811m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 茅庵河1657 km²
- Bassin de 北大河130 km²
3 dept-equivalent regions (GADM L2)
- 1695.4 km²76.1% of basin
- 532.9 km²23.9% of basin
- 0.6 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 17 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°
6,1°C
Annual rain
119mm
Moisture idx (CMI)
-0,86
Runoff
13mm/an
PET
987mm
AET
115mm
Mean slope
5,4°
Water table
159cm
Forest
0%
Crops
22%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)