Investigation on the Seasonal Variations of Tidal Constituents in the North Coasts of Persian Gulf and Oman Sea

The main purpose of this paper is to examine the monthly change of main constituents of tide in the northern coast of Persian Gulf and Oman Sea. So the coastal tide gauge data in the port of Bushehr, Jask and Chabahar is used. Duration of tide gauge data collection stations from the sea surface height is listed by about 24, 6 and 7 years. By analyzing the data monthly of tide, the tidal constituents of M2, S2, K1 and O1 were obtained separately for each month. Results obtained show that, the greatest tidal range is for lunar semi diurnal component (M2) about 72 cm in Jask. However, the main constituents of the monthly changes are for K1 with a range of about 30 centimeters. As well as for other constituents such as S2, O1 and M2 to the monthly change in values of 18, 11 and 9 cm are obtained.