Ontologia

HydroBASINS lev08 watershed · #6080197080

Bassin · #6080197080

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 : Alenquer, Almeirim, Óbidos

Pfafstetter: 62252467

Sub-basin area

1 004,1km²

Upstream area

1 797,4km²

Discharge

24,32m³/s

Mean elev.

391m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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°

25,3°C

Annual rain

2 079mm

Moisture idx (CMI)

0,20

Runoff

440mm/an

PET

1 671mm

AET

1 336mm

Mean slope

6,2°

Water table

207cm

Forest

100%

Crops

0%

Urban

0%

Protected

100%

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