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Presentation Amsterdam Water Supply Dunes - Hydrology.nl

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canal extraction 1853-1903<br />

Precipitation - evapotranspiration<br />

20 m<br />

msl<br />

North Sea<br />

Polder<br />

-20<br />

-40<br />

-60<br />

-80<br />

-100<br />

-120<br />

-140<br />

1 km<br />

c = 1 year<br />

c = 4 years<br />

c = 40 years<br />

c = 200 years

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