HydroBASINS lev08 watershed · #4081005540
Bassin de Nậm Na
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 6 administrative regions across 2 countries : Honghe Hani and Yi, Mường Tè, Nậm Nhùn, Phong Thổ, Sìn Hồ +1
Sub-basin area
1 045,5km²
Upstream area
6 340,6km²
Discharge
221,49m³/s
Mean elev.
950m
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°
20,2°C
Annual rain
1 629mm
Moisture idx (CMI)
0,17
Runoff
1 154mm/an
PET
1 352mm
AET
1 025mm
Mean slope
22,5°
Water table
741cm
Forest
9%
Crops
3%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)