HydroBASINS lev08 watershed · #2080023050
Bassin de Ringsloot
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 40 administrative regions : Alkmaar, Ameland, Amsterdam, Beemster, Bergen +35
Sub-basin area
1 905,4km²
Upstream area
1 905,4km²
Discharge
0,3m³/s
Mean elev.
0m
Administrative coverage
40 dept-equivalent regions (GADM L2)
- 375.8 km²19.6% of basin
- 171.9 km²9.0% of basin
- 162.0 km²8.5% of basin
- 128.5 km²6.7% of basin
- Bergen101.0 km²5.3% of basin
- 86.8 km²4.5% of basin
- 66.4 km²3.5% of basin
- 59.6 km²3.1% of basin
32 moreFull L2 list
- Velsen49.2 km² · 2.6%
- Den Helder48.3 km² · 2.5%
- Vlieland47.0 km² · 2.5%
- Opmeer41.2 km² · 2.2%
- Edam-Volendam39.5 km² · 2.1%
- Schiermonnikoog38.8 km² · 2.0%
- Waterland35.9 km² · 1.9%
- Zandvoort30.4 km² · 1.6%
- Haarlem29.8 km² · 1.6%
- Bloemendaal28.5 km² · 1.5%
- Koggenland28.5 km² · 1.5%
- Castricum23.7 km² · 1.2%
- IJsselmeer20.0 km² · 1.0%
- Hoorn19.8 km² · 1.0%
- Amsterdam18.1 km² · 0.9%
- Heerhugowaard17.4 km² · 0.9%
- Beverwijk17.1 km² · 0.9%
- Langedijk15.9 km² · 0.8%
- Stede Broec15.6 km² · 0.8%
- Haarlemmermeer14.9 km² · 0.8%
- Zaanstad14.1 km² · 0.7%
- Noordwijk13.0 km² · 0.7%
- Enkhuizen12.8 km² · 0.7%
- Heemskerk12.6 km² · 0.7%
- Alkmaar12.5 km² · 0.7%
- Heiloo8.5 km² · 0.4%
- Purmerend8.0 km² · 0.4%
- Heemstede5.2 km² · 0.3%
- Katwijk0.6 km² · 0.0%
- Uitgeest0.3 km² · 0.0%
- Beemster0.0 km² · 0.0%
- Lelystad0.0 km² · 0.0%
30 intersecting protected areas
NNN-NH
IUCN Not AssignedNature Reserves owned by professional nature management organizations
288.14 km² overlap
NNN-FR
IUCN Not AssignedNature Reserves owned by professional nature management organizations
161.06 km² overlap
Waddensea Area
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
132.49 km² overlap
Waddenzee
IUCN IVNature Conservation Act
127.31 km² overlap
Wadden Sea
IUCN IVWetland of International Importance (Ramsar Site)
127.31 km² overlap
Waddenzee
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
127.30 km² overlap
Waddenzee
IUCN Not ReportedSpecial Protection Area (Birds Directive)
127.30 km² overlap
Wadden Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
114.38 km² overlap
Noordzeekustzone
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
66.44 km² overlap
21 more protected areassorted by overlap area
Noordzeekustzone
IUCN Not ReportedSpecial Protection Area (Birds Directive)
66.44 km² overlap
North Sea Coastal Area
IUCN IVWetland of International Importance (Ramsar Site)
66.42 km² overlap
Noordzeekustzone
IUCN IVNature Conservation Act
66.42 km² overlap
Kennemerland-Zuid
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
63.91 km² overlap
Kennemerland-Zuid
IUCN IVNature Conservation Act
63.91 km² overlap
Noordhollands Duinreservaat
IUCN IVNature Conservation Act
47.78 km² overlap
Noordhollands Duinreservaat
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
47.78 km² overlap
Duinen van Texel
IUCN IINational Park
46.02 km² overlap
Schiermonnikoog
IUCN IINational Park
41.36 km² overlap
Duinen Terschelling
IUCN IVWetland of International Importance (Ramsar Site)
40.97 km² overlap
Duinen en Lage Land Texel
IUCN IIWetland of International Importance (Ramsar Site)
40.85 km² overlap
Duinen en Lage Land Texel
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
40.79 km² overlap
Duinen en Lage Land Texel
IUCN IVNature Conservation Act
40.79 km² overlap
Duinen Terschelling
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
40.40 km² overlap
Duinen Terschelling
IUCN IVNature Conservation Act
40.40 km² overlap
Noordzeekustzone
IUCN Not ReportedMarine Protected Area (OSPAR)
39.48 km² overlap
Duinen Terschelling
IUCN Not ReportedSpecial Protection Area (Birds Directive)
35.72 km² overlap
Zuid-Kennemerland
IUCN IINational Park
35.51 km² overlap
Duinen en Lage Land Texel
IUCN Not ReportedSpecial Protection Area (Birds Directive)
33.58 km² overlap
Duinen Ameland
IUCN IVWetland of International Importance (Ramsar Site)
20.71 km² overlap
Duinen Ameland
IUCN Not ReportedSpecial Protection Area (Birds Directive)
20.54 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
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°
9,0°C
Annual rain
782mm
Moisture idx (CMI)
0,28
Runoff
490mm/an
PET
566mm
AET
471mm
Mean slope
0,3°
Water table
11cm
Forest
4%
Crops
37%
Urban
27%
Protected
25%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)