Author(s)

Mahmoud Pirooznia¹, Sayyed Rouhollah Emadi², Mehdi Najafi Alamdari¹

¹Islamic Azad University, North Tehran Branch, Tehran, Iran.
²Islamic Azad University, South Tehran Branch, Tehran, Iran.

This study endeavors to deal with the least square spectral analysis on the time series, to find present significant frequencies, to analyze 40 tide components using harmonic methods and to show relationship between discovered frequencies and 40 components of tide. For the purpose of collecting data of altimetry satellites of Topex/Poseidon (T/P), Jason 1, Jason 2 and coastal tide gauges of Bandar Anzali, Noshahr, and Nekah were utilized. In this time series formed by cross over points of altimetry satellite and then using least square spectral analysis on time series derived from altimetry satellite and coastal tide gauges the significant components were found and annual, biannual, and monthly components were discovered. Then, analysis of 40 tide components was conducted using harmonic method to find the amplitude and phase. It represented that solar annual (Sa) plays the most significant role on Caspian Sea corresponded to the least square spectral analysis of the time series. The results shows that the annual (Sa) and semi-annual Solar (Ssa) constituents on all of the ports listed have the highest amplitude in comparison with the other constituents which are respectively 16 cm, 18 cm and 15 cm for annual constituent and 2.8 cm, 5.4 cm and 3.7 cm for semi-annual constituent.

Least Square Spectral Analysis, Harmonic Analysis, Altimetry Satellite, Coastal Tide Gauges

Pirooznia, M. , Emadi, S. and Alamdari, M. (2016) The Time Series Spectral Analysis of Satellite Altimetry and Coastal Tide Gauges and Tide Modeling in the Coast of Caspian Sea. Open Journal of Marine Science, 6, 258-269. doi: 10.4236/ojms.2016.62021.