HydroBASINS lev08 watershed · #7080026580
Bassin de Rivière Mariet
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 : Nord-du-Québec
Sub-basin area
53,4km²
Upstream area
4 039km²
Discharge
55,16m³/s
Mean elev.
15m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Rivière Saputiapiit414 km²
- Bassin de Rivière Mariet155 km²
1 dept-equivalent regions (GADM L2)
- 53.4 km²99.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
-7,0°C
Annual rain
359mm
Moisture idx (CMI)
0,10
Runoff
469mm/an
PET
325mm
AET
266mm
Mean slope
0,9°
Water table
38cm
Forest
13%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)