Jumat, 07 Desember 2012

Occurrence Process Tidal Sea

Hi friends, have often played to the beach or not? if ever, would you ever seen the receding water lau, so it looks sprawling sand beaches, or any time you see the beach where the water is getting up almost covering the entire sand beach, the ocean is called the water was high tide. Let us see how the process of ebb and flow of sea water is ..

Occurrence Process Tidal Sea
As you discussed earlier, the earth revolves around the sun, while the moon revolves around the earth. In addition, the earth and the moon also rotates on its axis. Due gerakangerakan the position of the sun, earth and moon are always changing. Changes in these positions affect the level of sea water on the surface of the earth, commonly called high tide and low tide.

Tides and tides occur because of the force of gravity by the sun and the moon to the earth. Note the figure below (low tide = ebb, high tide = pairs)

Proses Terjadinya Pasang Surut Air Laut 
Sea water in the surface of the earth when the earth high tide is in line or face the moon or sun. Though the Earth-sun distance of about 375 times the Earth-moon distance, but due to approximately 27 million solar masses in mass, therefore by the gravitational influence of the sun on sea water still visible, which is about half the force of gravity by the moon.

Rising tide of sea water there are only a few centimeters, but there are approximately 20 meters (maximum 6 storey building), for example in Canada. In Indonesia, the highest high tide of about 2-3 meters.

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