HydroBASINS lev08 watershed · #4081009260
Bassin de 大八河
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 : Jiangmen, Yangjiang
Sub-basin area
288,4km²
Upstream area
288,5km²
Discharge
12,02m³/s
Mean elev.
112m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 286.0 km²99.4% of basin
- 1.6 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
22,2°C
Annual rain
2 000mm
Moisture idx (CMI)
0,39
Runoff
1 308mm/an
PET
1 215mm
AET
1 080mm
Mean slope
7,2°
Water table
270cm
Forest
44%
Crops
22%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)