HydroBASINS lev08 watershed · #4080015110
Bassin de Sông Mã
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 5 administrative regions : Hoằng Hóa, Quảng Xương, Sầm Sơn, Thanh Hóa, Tĩnh Gia
Sub-basin area
66,7km²
Upstream area
66,7km²
Discharge
1,09m³/s
Mean elev.
5m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 36.4 km²54.6% of basin
- 17.7 km²26.5% of basin
- 4.3 km²6.4% of basin
- 0.5 km²0.8% of basin
- 0.3 km²0.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 7 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°
24,2°C
Annual rain
1 634mm
Moisture idx (CMI)
0,18
Runoff
933mm/an
PET
1 341mm
AET
1 083mm
Mean slope
0,6°
Water table
24cm
Forest
0%
Crops
25%
Urban
16%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)