HydroBASINS lev08 watershed · #4081054140
Bassin de Nậm Nơn
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 4 administrative regions across 2 countries : Kỳ Sơn, Quế Phong, Tương Dương, Xamtay
Sub-basin area
851,1km²
Upstream area
8 376,6km²
Discharge
124,75m³/s
Mean elev.
641m
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°
21,7°C
Annual rain
1 258mm
Moisture idx (CMI)
-0,09
Runoff
608mm/an
PET
1 384mm
AET
913mm
Mean slope
20,5°
Water table
677cm
Forest
5%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)