Ontologia

HydroBASINS lev08 watershed · #2080300040

Bassin de Межа

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 4 administrative regions : Demidovskiy rayon, Velizhskiy rayon, Zapadnodvinskiy rayon, Zharkovskiy rayon

Pfafstetter: 24280810

Sub-basin area

410,4km²

Upstream area

9 525,4km²

Discharge

74,36m³/s

Mean elev.

184m

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°

4,7°C

Annual rain

637mm

Moisture idx (CMI)

-0,01

Runoff

263mm/an

PET

645mm

AET

491mm

Mean slope

1,0°

Water table

73cm

Forest

86%

Crops

6%

Urban

0%

Protected

17%

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