Ontologia

HydroBASINS lev08 watershed · #2080269260

Bassin de Цна

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 6 administrative regions : Bologovskiy rayon, Firovskiy rayon, Kuvshinovskiy rayon, Ostashkovskiy rayon, Selizharovskiy rayon +1

22% lakePfafstetter: 24329090

Sub-basin area

2 175,7km²

Upstream area

2 175,7km²

Discharge

17,27m³/s

Mean elev.

231m

Administrative coverage

Computing spatial overlaps (territories, protected areas)…

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydroclimate (BasinATLAS lev08)

Mean T°

3,5°C

Annual rain

650mm

Moisture idx (CMI)

0,05

Runoff

250mm/an

PET

618mm

AET

478mm

Mean slope

1,2°

Water table

85cm

Forest

89%

Crops

5%

Urban

0%

Protected

13%

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