What is a polder and what is it used for?
Polder is a Dutch word originally meaning silted-up land or earthen wall, and generally used to designate a piece of land reclaimed from the sea or from inland water. It is used for a drained marsh, a reclaimed coastal zone, or a lake dried out by pumping.
What is a polder simple definition?
Definition of polder : a tract of low land (as in the Netherlands) reclaimed from a body of water (such as the sea)
Where can you find polders?
Polders are most commonly, though not exclusively, found in river deltas, former fenlands, and coastal areas. Flooding of polders has also been used as a military tactic in the past.
What country has polders?
The traditional polders in The Netherlands have been formed from the 12th century onwards, when people started creating arable land by draining delta swamps into nearby rivers.
Why are polders created?
The traditional polders in The Netherlands have been formed from the 12th century onwards, when people started creating arable land by draining delta swamps into nearby rivers. In the process, the drained peat started oxidizing, thus soil levels lowered, up to river water levels and lower.
How do you make a polder?
Polders need to be built on Coast or Lake tiles with at least 3 adjacent land tiles. Generally, you will have more luck with Lakes than the coast; since Lakes are naturally enclosed bodies of waters, they have an easier time satisfying the rule.
How are polders formed?
The traditional polders in The Netherlands have been formed from the 12th century onwards, when people started creating arable land by draining delta swamps into nearby rivers. In the process, the drained peat started oxidizing, thus soil levels lowered, up to river water levels and lower.
How is a polder created?
polder, tract of lowland reclaimed from a body of water, often the sea, by the construction of dikes roughly parallel to the shoreline, followed by drainage of the area between the dikes and the natural coastline. … Soil in areas newly reclaimed from the sea contains so much salt that most plants will not grow.
Why are polders so important?
The Netherlands is frequently associated with polders, as its engineers became noted for developing techniques to drain wetlands and make them usable for agriculture and other development.
What are some characteristics of a polder?
Polders have two distinct features. Firstly, they are enclosed by dikes to keep the water out. The dikes also serve to protect the polder from erosion. Secondly, polders are continually maintained by systems of drainage canals and pumps which prevent them from becoming waterlogged and hence, suitable for cultivation.
