HydroBASINS lev08 watershed · #4080990280
Bassin de Sông Chảy
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 5 administrative regions across 2 countries : Bắc Hà, Hoàng Su Phì, Si Ma Cai, Wenshan Zhuang and Miao, Xín Mần
Sub-basin area
488,9km²
Upstream area
1 199,4km²
Discharge
48,28m³/s
Mean elev.
1 052m
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°
18,7°C
Annual rain
1 681mm
Moisture idx (CMI)
0,30
Runoff
1 169mm/an
PET
1 174mm
AET
985mm
Mean slope
19,7°
Water table
622cm
Forest
2%
Crops
13%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)