CALIBRATION AND VALIDATION OF THE HY-2 SCATTEROMETER BACKSCATTER MEASUREMENTS OVER OCEAN
文献类型：会议论文
| 作者 | Zhu, Jintai; Dong, Xiaolong; Yun, Risheng |
| 出版日期 | 2014 |
| 会议名称 | IEEE International Geoscience and Remote Sensing Symposium (IGARSS) |
| 会议日期 | JUL 13-18, 2014 |
| 会议地点 | Quebec, CANADA |
| 关键词 | HY-2A satellite scatterometer calibration and validation numerical ocean calibration |
| 通讯作者 | Zhu, JT (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, CAS Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China. |
| 英文摘要 | The Normalized Radar Cross-Sections (NRCS, sigma(0)) measured by spaceborne scatterometer are used to determine the near-surface wind field using the geophysical model functions (GMF). The accuracy of the retrieved wind field is a sensitive function of the radiometric accuracy of the sigma(0) measurements. Therefore, in-orbit calibration is essential for the retrieval of optimum quality geophysical products. In this paper, the scatterometer onboard HY-2A satellite (HY-2 SCAT) is calibrated using Numerical Ocean Calibration (NOC) and its winds retrieval after calibration are validated by winds from global buoys and from the European Centre for Medium-Range Weather Foresting(ECMWF) Numerical Weather Prediction model (NWP). The standard deviations for wind speed and wind direction against buoy winds are better than 1.3 m/s and 15 degrees, indicating that the HY-2 SCAT calibration has been successful and that HY-2 SCAT wind products after NOC are of high quality. |
| 收录类别 | CPCI |
| 会议主办者 | IEEE, Inst Elect & Elect Engineers, Geoscience & Remote Sensing Soc, Canadian Remote Sensing Soc |
| 会议录 | 2014 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
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| 会议录出版者 | IEEE |
| 语种 | 英语 |
| ISSN号 | 2153-6996 |
| ISBN号 | 978-1-4799-5775-0 |
| 源URL | [http://ir.nssc.ac.cn/handle/122/4337]  |
| 专题 | 国家空间科学中心_微波遥感部 |
| 推荐引用方式 GB/T 7714 | Zhu, Jintai,Dong, Xiaolong,Yun, Risheng. CALIBRATION AND VALIDATION OF THE HY-2 SCATTEROMETER BACKSCATTER MEASUREMENTS OVER OCEAN[C]. 见:IEEE International Geoscience and Remote Sensing Symposium (IGARSS). Quebec, CANADA. JUL 13-18, 2014. |
入库方式： OAI收割
来源：国家空间科学中心
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