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A PRELIMINARY IN SITU CALIBRATION FOR HY-2A SATELLITE ALTIMETER
Liu, Yalong; Xu, Ke; Song, Yang; Zhang, Youguang; Liu, YL (reprint author), State Ocean Adm, Yantai Marine Environm Monitoring Ctr Stn, Yantai, Peoples R China.
作者部门微波遥感部
会议录名称2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
2016
页码5831-5834
语种英语
ISSN号2153-6996
ISBN号978-1-5090-3332-4
摘要Since the launch, HY-2A has observing global ocean dynamic environment data over the last 5 years including sea surface height (SSH), significant wave height (SWH) and corresponding auxiliary data (wind fields and water vapor). The in-orbit validation and crossover comparison of which suggest that the various technical indicators cater for basic needs in practicality. However, for the most important ocean dynamic environment parameter SSH, the accurate, reliable and standard processing for absolute calibration has not achieved yet, significantly limiting quantitative application of altimetry production. To evaluate the accuracy of HY-2A, we perform absolute calibration at California offshore Harvest Oil Platform. HY-2A interim geophysical dataset records ( IGDR) are used to perform comparison. All corrections are estimated independently avoiding instruments aging. According to results, there are two significant linear trends for HY-2A derived SSHs consisting of -0.001083m/day for cycle 1 similar to 99 and 0.001475m/day afterward. The results indicate that HY-2A observations are low by -40.5 +/- 1.2 cm.
关键词Hy-2a Altimeter Absolute Calibration Sea Level
会议名称36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
会议日期JUL 10-15, 2016
会议地点Beijing, PEOPLES R CHINA
收录类别EI ; CPCI
文献类型会议论文
条目标识符http://ir.nssc.ac.cn/handle/122/5768
专题微波遥感部
通讯作者Liu, YL (reprint author), State Ocean Adm, Yantai Marine Environm Monitoring Ctr Stn, Yantai, Peoples R China.
推荐引用方式
GB/T 7714
Liu, Yalong,Xu, Ke,Song, Yang,et al. A PRELIMINARY IN SITU CALIBRATION FOR HY-2A SATELLITE ALTIMETER[C],2016:5831-5834.
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