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| The comparison of altimeter retrieval algorithms of the wind speed and the wave period |
| 作者：ZHAO Dongliang LI Shuiqing SONG Chaoyang； 出处：海洋学报：英文版. 2012,31(3).-1-9 |
| 关键词：altimeter,wind speed,wave period,wave age,significant wave height |
| 英文 |
| 文章摘要：With the launch of altimeter,much effort has been made to develop algorithms on the wind speed and the wave period.By using a large data set of collocated altimeter and buoy measurements,the typical wind speed and wave period algorithms are validated.Based on theoretical argument and the concept of wave age,a semi-empirical algorithm for the wave period is also proposed,which has the wave-period dimension,and explicitly demonstrates the relationships between the wave period and the other variables.It is found that Ku and C band data should be applied simultaneously in order to improve either wind speed or wave period algorithms.The dual-band algorithms proposed by Chen et al.（2002） for the wind speed and Quilfen et al.（2004） for the wave period perform best in terms of a root mean square error in the practical applications. |
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