Wind-wave relationship in the Bay of Bengal and Arabian Sea using Seasat data

R. Kumar, A. Sarkar, V.D. Gupta


The problem of extraction of sea state in monsoon season from satellite spectrometer derived wind data is addressed in this paper. The results show that the correlation coefficient between the sum of scatterometer derived wind generated wave height and average climatic swell, and the altimeter derived total wave height values is 0.8. The derived wave height values over the Arabian Sea are found to be reasonable. This indicates the possibility of preparing total wave height maps using scatterometer data over large swath areas. This can be done through a regression equation developed with large quantity of concurrent sea truth data. Use of satellite scatterometer rather than altimeter for extraction of wave height has been suggested


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