HydroBASINS lev08 watershed · #4080563820
Bassin de 周河
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 : Yan'an, Yulin
Sub-basin area
1 335,1km²
Upstream area
1 335,1km²
Discharge
2,08m³/s
Mean elev.
1 461m
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°
7,9°C
Annual rain
449mm
Moisture idx (CMI)
-0,55
Runoff
47mm/an
PET
998mm
AET
387mm
Mean slope
13,6°
Water table
689cm
Forest
0%
Crops
30%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)