Ontologia

HydroBASINS lev08 watershed · #2080028150

Bassin de Систа

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 : Kingiseppskiy rayon, Lomonosovskiy rayon, Volosovskiy rayon

Coastal basin 22% lakePfafstetter: 24299000

Sub-basin area

1 645,8km²

Upstream area

1 645,8km²

Discharge

0,45m³/s

Mean elev.

77m

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°

4,5°C

Annual rain

687mm

Moisture idx (CMI)

0,18

Runoff

244mm/an

PET

563mm

AET

441mm

Mean slope

1,4°

Water table

98cm

Forest

87%

Crops

5%

Urban

1%

Protected

6%

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