HydroBASINS lev08 watershed · #3080481520
Bassin de Олёкма
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 1 administrative regions : Olekminskiy rayon
Sub-basin area
159,9km²
Upstream area
99 437,6km²
Discharge
966,83m³/s
Mean elev.
603m
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°
-7,1°C
Annual rain
400mm
Moisture idx (CMI)
-0,29
Runoff
247mm/an
PET
563mm
AET
349mm
Mean slope
9,5°
Water table
255cm
Forest
86%
Crops
0%
Urban
0%
Protected
58%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)