Ontologia

HydroBASINS lev08 watershed · #4080428220

Bassin de 洋河

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 1 administrative regions : Zhangjiakou

Pfafstetter: 43162470

Sub-basin area

753,2km²

Upstream area

8 586,1km²

Discharge

3,62m³/s

Mean elev.

1 017m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 十里沙河603 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

  • Zhangjiakou
    Hebei · China
    754.1 km²
    100.0% of basin

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

Species present

11 distinct species · 12 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 obs · 4 cellules
Obs. / cellule
≥ 9
9–8
1–8
1–0
< 1

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°

7,2°C

Annual rain

375mm

Moisture idx (CMI)

-0,60

Runoff

15mm/an

PET

947mm

AET

327mm

Mean slope

4,0°

Water table

194cm

Forest

10%

Crops

37%

Urban

10%

Protected

0%

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