HydroBASINS lev08 watershed · #4080537310
Bassin de 无定河
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 1 administrative regions : Yulin
Sub-basin area
146,3km²
Upstream area
146,4km²
Discharge
0,22m³/s
Mean elev.
1 006m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
9,2°C
Annual rain
493mm
Moisture idx (CMI)
-0,55
Runoff
47mm/an
PET
1 101mm
AET
421mm
Mean slope
11,2°
Water table
537cm
Forest
0%
Crops
47%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)