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Global Statistical Assessment and Cross-Calibration with Jason-2 for Reprocessed HY-2A Altimeter Data
Jiang, Maofei; Xu, Ke; Liu, Yalong; Jiang, MF (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing 100190, Peoples R China.
作者部门微波遥感部
发表期刊MARINE GEODESY
2018
卷号41期号:3页码:289-312
ISSN0149-0419
语种英语
关键词Altimetry Calibration Validation Hy-2a Mean Sea Level Sea Level
摘要HY-2 A (Haiyang-2 A) satellite was launched on August 16, 2011 and radar altimeter is one of its main payloads. We reprocessed two years of HY-2 A altimeter sensor geophysical dataset records (SGDR) data. This paper presents the main results in terms of reprocessed HY-2 A altimeter data quality: verification of data availability and validity, monitoring several relevant altimeter parameters, and assessment of the HY-2 A altimeter system performances. A cross-calibration analysis of reprocessed HY-2 A altimeter data with Jason-2 was conducted. The reprocessed HY-2 A altimeter data show good quality and have a low level of noise with respect to Jason-2. The same geophysical correction methods were used to calculate the sea surface height (SSH) for the two missions. The mean standard deviations of the crossover differences for HY-2 A and Jason-2 are 5.24cm and 5.34cm, respectively. The mean standard deviation of the crossover differences between HY-2 A and Jason-2 is 5.37cm. These show that HY-2 A can provide SSH measurements at almost the same level of accuracy as Jason-2. The relative SSH bias between HY-2 A and Jason-2 due to the Ultra Stable Oscillator (USO) drift is obviously observed, and it can affect the calculation of mean sea level and should be further studied and corrected.
收录类别SCI
文献类型期刊论文
条目标识符http://ir.nssc.ac.cn/handle/122/6332
专题微波遥感部
通讯作者Jiang, MF (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Jiang, Maofei,Xu, Ke,Liu, Yalong,et al. Global Statistical Assessment and Cross-Calibration with Jason-2 for Reprocessed HY-2A Altimeter Data[J]. MARINE GEODESY,2018,41(3):289-312.
APA Jiang, Maofei,Xu, Ke,Liu, Yalong,&Jiang, MF .(2018).Global Statistical Assessment and Cross-Calibration with Jason-2 for Reprocessed HY-2A Altimeter Data.MARINE GEODESY,41(3),289-312.
MLA Jiang, Maofei,et al."Global Statistical Assessment and Cross-Calibration with Jason-2 for Reprocessed HY-2A Altimeter Data".MARINE GEODESY 41.3(2018):289-312.
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