HydroBASINS lev08 watershed · #3080307620
Bassin de Койвэрэлан
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 : Anadyrskiy rayon, Beringovskiy rayon
Sub-basin area
1 688km²
Upstream area
1 688,1km²
Discharge
18,46m³/s
Mean elev.
413m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1589.3 km²93.6% of basin
- 109.1 km²6.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
23 distinct species · 27 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°
-8,1°C
Annual rain
397mm
Moisture idx (CMI)
0,12
Runoff
351mm/an
PET
347mm
AET
274mm
Mean slope
10,9°
Water table
219cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)