HydroBASINS lev08 watershed · #4080510210
Bassin de 西大河
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 : Haibei Tibetan, Jinchang, Zhangye
Sub-basin area
960,7km²
Upstream area
960,7km²
Discharge
0,22m³/s
Mean elev.
3 267m
Administrative coverage
Species present
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
-0,6°C
Annual rain
421mm
Moisture idx (CMI)
-0,34
Runoff
19mm/an
PET
668mm
AET
370mm
Mean slope
13,9°
Water table
474cm
Forest
1%
Crops
5%
Urban
0%
Protected
66%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)