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Het problem is dat bij onze kust een heleboel verschillende processen tegelijkertijd meespelen in zee, in de branding, op het strand, en in de duinen. In het water zien we bijvoorbeeld golven, deining, stormen, getij, zout water, zoet water, biologische activiteit, en nog heel veel meer.
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The problem is that at our coast, there are many different processes all going on at the same time at sea, in the surf zone, on the beach, and in the dunes. In the water column we see the effect of waves, swell, storms, tides, salt water, fresh water, and biological activity, just to name a few. These processes can have time scales of mere seconds, such as a single wave, or have time scales of centuries, such as sea level rise. The same is true for the spatial scale. Some features we see on a beach have a length of mere centimeters or even smaller, like ripples or sand grains. However, these features all add up to a coast of hundreds of kilometers.
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