HydroBASINS lev08 watershed · #4080726290
Bassin de 紫曲
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 : Chamdo
Sub-basin area
253,6km²
Upstream area
253,6km²
Discharge
2,43m³/s
Mean elev.
4 480m
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
48 distinct species · 97 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°
0,9°C
Annual rain
526mm
Moisture idx (CMI)
-0,33
Runoff
302mm/an
PET
787mm
AET
454mm
Mean slope
20,6°
Water table
773cm
Forest
23%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)