Abstract

Satellite based remote sensing is widely used to understand the dynamics of global Ocean. Due to the high temporal resolution and negligible attenuation during rain, GNSS-Reflectometry signals can also be used to study the Ocean wave interaction with the microwave signals.In this paper, investigation is carried out to find the correlation between CYGNSS observables and Ocean wave parameters. In this direction, a two-steps empirical formulation is proposed between wave period (T<inf>i</inf>), significant wave height (SWH), and CYGNSS observables. The buoy and wave watch 3 model data are collocated with CYGNSS data to study the behavior of Ocean wave with normalized radar cross section and leading edge slope of CYGNSS. The work is carried out in normal and cyclonic Ocean conditions separately. It has been found that the relationship between T<inf>i</inf>, SWH, and GNSS-R signals during cyclonic conditions is more complex than in the normal ocean condition.

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