1 point
1) Which of the following
problem is associated with the
tidal port?
Problem of siltation and requires
constant dredging
O
Problem of reduced water level
which cannot harbour ships.
O
Problem of frequent flooding which
leads to its closer.
Problem of small size which do not
allow handling of cargo ships.
Other:
Answers
Siltation, or sans, is water pollution caused by particulate terrestrial clastic material, with a particle size dominated by silt or clay. It refers both to the increased concentration of suspended sediments and to the increased accumulation (temporary or permanent) of fine sediments on bottoms where they are undesirable. Siltation is most often caused by soil erosion or sediment spill.
Sometimes siltation is called sediment pollution, but that is an undesirable term since it is ambiguous and also refer to a chemical contamination of sediments accumulated on the bottom or to pollutants bound to sediment particles. Siltation is the preferred term for being unambiguous although it is not entirely stringent since it also includes particle sizes other than silt.
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