NAP in the Breukeleveensche Plas.
Amsterdam Ordnance Datum (NAP)
All heights in the Netherlands are measured relative to the same level, the Normal Amsterdam Level (NAP). A NAP height of 0 m is roughly equivalent to the average sea level of the North Sea.
So here you can nicely see that if the dykes were to fail in the Netherlands, how high the sea water will rise in the Breukeleveensche or Still PLas.
Don Fonzarelli is a photographer and musician born and raised in the city of Amsterdam in the Netherlands. Don Fonzarelli is the alias of Fons van der Wielen(1961).. Read more…