Ontologia

HydroBASINS lev08 watershed · #2080705780

Bassin de سفیدرود - قزل اوزن

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 3 administrative regions : Khalkhal, Tarom, Zanjan

Pfafstetter: 28480330

Sub-basin area

431,6km²

Upstream area

46 451,7km²

Discharge

192,24m³/s

Mean elev.

1 461m

Administrative coverage

Hydrographic chain

3 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Agh Dagh

    IUCN V

    Protected Area

    29.18 km² overlap

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

Species present

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 cellules
Obs. / cellule
≥ 1
1–0
1–0
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°

11,7°C

Annual rain

444mm

Moisture idx (CMI)

-0,63

Runoff

185mm/an

PET

1 186mm

AET

377mm

Mean slope

20,4°

Water table

788cm

Forest

0%

Crops

9%

Urban

0%

Protected

7%

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