Rotterdam, Holland′s second-biggest city after Amsterdam is directly connected to the deep waters of the North Sea with the river Nieuwe Maas. Rotterdam is a flat and low area in the Netherlands with horizon about 1m below sea level. Rotterdam has mild climate in winter andcool climate in summer with the coldest average temperature of 1℃ in January and the hottest average temperature of 17℃ in July. The annual precipitation is about 700 mm.
Groundwater is an important critical resource for a city like Rotterdam. Especially the ground water level is of importance. A fluctuation of the water level results in the rot of wooden fundaments of some of the cities older buildings. To avoid these problems it is from importance to minimize the groundwater level fluctuation.
The poster with results in:
IWAS International Consultancy
Wetskills China 2010