Ontologia

HydroBASINS lev08 watershed · #4080280730

Bassin de 松花江

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 : Changchun, Songyuan

Pfafstetter: 42246331

Sub-basin area

836,2km²

Upstream area

50 825,6km²

Discharge

431,72m³/s

Mean elev.

177m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Changchun
    Jilin · China
    790.6 km²
    94.3% of basin
  • Songyuan
    Jilin · China
    47.5 km²
    5.7% of basin

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

Species present

3 distinct species · 5 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 obs · 2 cellules
Obs. / cellule
≥ 3
3–2
3–2
3–2
< 3

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°

4,2°C

Annual rain

595mm

Moisture idx (CMI)

-0,30

Runoff

127mm/an

PET

855mm

AET

510mm

Mean slope

0,7°

Water table

11cm

Forest

0%

Crops

71%

Urban

16%

Protected

0%

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