HydroBASINS lev08 watershed · #4080488100
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 2 administrative regions : Haixi Mongol and Tibetan, Zhangye
Sub-basin area
153,4km²
Upstream area
153,4km²
Discharge
0,3m³/s
Mean elev.
3 945m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 150.2 km²97.9% of basin
- 3.3 km²2.1% 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°
-5,3°C
Annual rain
276mm
Moisture idx (CMI)
-0,46
Runoff
62mm/an
PET
531mm
AET
261mm
Mean slope
15,6°
Water table
469cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)