Ontologia

HydroBASINS lev08 watershed · #4080611300

Bassin de 四郎河

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 : Qingyang, Xianyang

Pfafstetter: 43226300

Sub-basin area

903,6km²

Upstream area

34 748,4km²

Discharge

33,15m³/s

Mean elev.

1 245m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

11 distinct species · 14 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 obs · 2 cellules
Obs. / cellule
≥ 11
11–10
11–10
11–10
< 11

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

10,1°C

Annual rain

587mm

Moisture idx (CMI)

-0,40

Runoff

70mm/an

PET

986mm

AET

501mm

Mean slope

11,0°

Water table

622cm

Forest

16%

Crops

30%

Urban

5%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)