HydroBASINS lev08 watershed · #4080465880
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
771,6km²
Upstream area
7 246km²
Discharge
7,77m³/s
Mean elev.
2 695m
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°
1,4°C
Annual rain
169mm
Moisture idx (CMI)
-0,75
Runoff
15mm/an
PET
790mm
AET
165mm
Mean slope
17,6°
Water table
531cm
Forest
0%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)