HydroBASINS lev08 watershed · #8080223840
Bassin de Swift 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 2 administrative regions : Nome, Yukon-Koyukuk
Sub-basin area
331,2km²
Upstream area
331,2km²
Discharge
3,86m³/s
Mean elev.
359m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 279.0 km²83.7% of basin
- 54.2 km²16.3% of basin
3 intersecting protected areas
Marine Protected Area
0.11 km² overlap
Yukon Delta
IUCN IVNational Wildlife Refuge
0.11 km² overlap
Andreafsky
IUCN IbWilderness Area
0.11 km² overlap
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
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°
-4,2°C
Annual rain
395mm
Moisture idx (CMI)
0,02
Runoff
383mm/an
PET
387mm
AET
302mm
Mean slope
14,1°
Water table
346cm
Forest
7%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)