HydroBASINS lev08 watershed · #4081073230
Bassin de Sông Tiêm
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 across 2 countries : Hương Khê, Nakai
Sub-basin area
204,4km²
Upstream area
204,4km²
Discharge
8,44m³/s
Mean elev.
328m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Hương KhêHà Tĩnh · Vietnam199.5 km²97.9% of basin
- 4.2 km²2.1% of basin
2 intersecting protected areas
Nakai-Nam Teun
IUCN IINational Park
7.97 km² overlap
Vu Quang
IUCN IINational Park
0.56 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 distinct species · 82 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°
23,6°C
Annual rain
2 147mm
Moisture idx (CMI)
0,36
Runoff
1 289mm/an
PET
1 382mm
AET
1 182mm
Mean slope
11,9°
Water table
364cm
Forest
48%
Crops
21%
Urban
2%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)