HydroBASINS lev08 watershed · #4080591440
Bassin de 关川河
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 : Dingxi, Lanzhou
Sub-basin area
280,6km²
Upstream area
280,6km²
Discharge
0,23m³/s
Mean elev.
2 079m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 217.2 km²77.4% of basin
- 63.4 km²22.6% 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°
6,8°C
Annual rain
414mm
Moisture idx (CMI)
-0,55
Runoff
27mm/an
PET
915mm
AET
360mm
Mean slope
11,5°
Water table
707cm
Forest
0%
Crops
47%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)