HydroBASINS lev08 watershed · #4080921730
Bassin de সুরমা নদী
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 across 2 countries : East Khasi Hills, Sunamganj
Sub-basin area
261,2km²
Upstream area
6 837,4km²
Discharge
940,21m³/s
Mean elev.
25m
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°
24,8°C
Annual rain
3 473mm
Moisture idx (CMI)
0,59
Runoff
5 110mm/an
PET
1 423mm
AET
1 169mm
Mean slope
1,5°
Water table
43cm
Forest
1%
Crops
47%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)