Research on Ocean Tides Derived from Sun-Synchronous Satellite Altimeter Data
Abstract This study extracts ocean tides in the China sea areas and western Pacific ocean by the ERS-2 and Envisat-1 series of sun synchronous satellite altimeter data over a tidal period of about 15 years. Orthotide response analysis is performed tocompute harmonic constants of 12 constituents along the tracks, and the accuracy of tidal parameters is assessed at the crossovers. The results show that the major constituents derived from the ERS series altimeter data are reasonable and reliable, excepting the S2 and K1 constituents. Considering the additional information from crossovers and adjacent tracks, it is possible to improve the accuracy of harmonics for coastal zones and high latitude areas.
Key words :
satellite altimetry
sun-synchronize;tidal alias
tidal analysis
Cite this article:
LI Dawei,LI Jiancheng,JIN Taoyong. Research on Ocean Tides Derived from Sun-Synchronous Satellite Altimeter Data[J]. jgg, 2018, 38(1): 24-27.
LI Dawei,LI Jiancheng,JIN Taoyong. Research on Ocean Tides Derived from Sun-Synchronous Satellite Altimeter Data[J]. jgg, 2018, 38(1): 24-27.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2018/V38/I1/24
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