3H/V tto H2 - P5

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AardrijkskundeMiddelbare schoolhavoLeerjaar 3

This lesson contains 11 slides, with text slides.

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Note: The threat is growing

Water is a big threat to the Netherlands, both by the sea and the rivers.

Due to the climate change, the threats become even bigger...

Rising Sea level + subsiding land.
Rising water levels in rivers.

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Note: Polder

A polder is an area surrounded by dykes in which the water level can be controlled. This can be done by mills or pumps.

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So if water is the problem? Why not simply pump all the water out?

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Concluding:

Besides the rising water levels another big problem in the Netherlands is...

the process of subsidense

Because (2):

groundwater comes up inside the polder (seepage)
Rising levels of salt (salination)

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Conclusing:

So what might be a solution?

Pump extra fresh water in the polders

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3H/V tto H2 - P5

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