HydroBASINS lev08 watershed · #8080071120
Bassin de Big River
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 : Inuvik
Sub-basin area
185,9km²
Upstream area
4 666km²
Discharge
12,59m³/s
Mean elev.
92m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Big River2653 km²
- Bassin de Sungukpagaluk River633 km²
1 dept-equivalent regions (GADM L2)
- Inuvik187.3 km²100.0% of basin
1 intersecting protected areas
Migratory Bird Sanctuary
187.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 20 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°
-14,5°C
Annual rain
122mm
Moisture idx (CMI)
-0,31
Runoff
133mm/an
PET
175mm
AET
127mm
Mean slope
2,1°
Water table
83cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)