HydroBASINS lev08 watershed · #4080015500
Bassin de Sông Long Đại
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 8 administrative regions across 2 countries : Bualapha, Bố Trạch, Hướng Hóa, Lệ Thủy, Quảng Ninh +3
Sub-basin area
2 471,2km²
Upstream area
2 471,4km²
Discharge
115,16m³/s
Mean elev.
243m
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°
24,3°C
Annual rain
2 182mm
Moisture idx (CMI)
0,38
Runoff
1 351mm/an
PET
1 362mm
AET
1 105mm
Mean slope
11,2°
Water table
402cm
Forest
39%
Crops
44%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)