HydroBASINS lev08 watershed · #3080424200
Bassin de Сыалысардах
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
240,6km²
Upstream area
3 992,2km²
Discharge
19,87m³/s
Mean elev.
481m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Сыалысардах1639 km²
- Bassin de Куччугуй-Саныкча40 km²
1 dept-equivalent regions (GADM L2)
- 242.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-7,9°C
Annual rain
401mm
Moisture idx (CMI)
-0,25
Runoff
132mm/an
PET
534mm
AET
346mm
Mean slope
5,7°
Water table
166cm
Forest
93%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)