HydroBASINS lev08 watershed · #4080209960
Bassin de 七星河
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 : Jiamusi, Shuangyashan
Sub-basin area
411,5km²
Upstream area
4 122,3km²
Discharge
17,76m³/s
Mean elev.
57m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 七星河416 km²
- Bassin · #4080211380332 km²
2 dept-equivalent regions (GADM L2)
- Jiamusi284.8 km²69.0% of basin
- Shuangyashan127.8 km²31.0% 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
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°
3,1°C
Annual rain
553mm
Moisture idx (CMI)
-0,28
Runoff
146mm/an
PET
767mm
AET
474mm
Mean slope
0,0°
Water table
0cm
Forest
3%
Crops
38%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)