| YANG Le,LIN Mingsen,ZOU Juhong,LI Zhenghua,PAN Delu. 2008. Improving the wind and wave estimation of dual-frequency altimeter JASON1 in Typhoon Shanshan and considering the rain effects. Acta Oceanologica Sinica, (5):49－62 |
| Improving the wind and wave estimation of dual-frequency altimeter JASON1 in Typhoon Shanshan and considering the rain effects |
| Improving the wind and wave estimation of dual-frequency altimeter JASON1 in Typhoon Shanshan and considering the rain effects |
| Received:January 03, 2008 Revised:July 14, 2008 |
| DOI： |
| Key words:altimeter waveform typhoon rain high wind speed |
| 中文关键词: altimeter waveform typhoon rain high wind speed |
| 基金项目:The National Natural Science Foundation of China under contract No. 30671619. |
| Author Name | Affiliation | E-mail | | YANG Le | Science Department, Nanjing University of Science and Technology, Nanjing 210094, China
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | yle 1024@gmail.cn | | LIN Mingsen | National Satellite Ocean Application Service, State Oceanic Administration, Beijing 10008, China | | | ZOU Juhong | State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | | | LI Zhenghua | Science Department, Nanjing University of Science and Technology, Nanjing 210094, China | | | PAN Delu | State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | |
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| Abstract: |
| Altimetry data have been widely used in various fields of oceanography, including the extreme weather events such as tropical cyclones, typhoons, and hurricanes. The performance of JASON1 in Typhoon Shanshan is assessed by examining the sensor geophysical data record and illustrates how the measured return waveform, significant wave height, and backscatter are all affected by various factors associated with the typhoon, with details by the rain are illustrated. The correction method to maintain accurate wave height and wind speed measurements in Typhoon Shanshan and the results are presented. Furthermore, the additional results of rain rate and typhoon eye diameter can be retrieved. Because of the lack of in-situ measurements of wind, wave, and rain rate at Typhoon Shanshan, results are compared with the forecasted typhoon data and a good agreement is found. |
| 中文摘要: |
| Altimetry data have been widely used in various fields of oceanography, including the extreme weather events such as tropical cyclones, typhoons, and hurricanes. The performance of JASON1 in Typhoon Shanshan is assessed by examining the sensor geophysical data record and illustrates how the measured return waveform, significant wave height, and backscatter are all affected by various factors associated with the typhoon, with details by the rain are illustrated. The correction method to maintain accurate wave height and wind speed measurements in Typhoon Shanshan and the results are presented. Furthermore, the additional results of rain rate and typhoon eye diameter can be retrieved. Because of the lack of in-situ measurements of wind, wave, and rain rate at Typhoon Shanshan, results are compared with the forecasted typhoon data and a good agreement is found. |
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