Everywhere words repeats itself But its true meaning Lies in TEXT of Natural Phenomena As in this topic we will study certain natural and meteorological phenomena which affect the design of the harbor and they are as follows: Wind ,wave and their effect on Harbor Tides and tidal range Coastal currents Waves Most powerful forces acting on harbor barriers is produced by joint action of wind and water and gas tremendous power. Waves are periodic undulations of sea surface. Water waves are generated by transfer of energy from air over the water. It is the most in comprehensive natural phenomenon. Formation of storm waves take place in open sea due to action of wind. Causes of Sea waves : Wind Revolution of earth Gravitational force Earthquake Landslides Seashore Types of Sea waves: Deep sea waves Shallow sea waves Oscillatory waves(unbroken waves, travelling in deep water) Translatory waves Capillary waves Surfs(low height & long waves produce
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