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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.
Department微波遥感部
Source PublicationMARINE GEODESY
2018
Volume41Issue:3Pages:289-312
ISSN0149-0419
Language英语
KeywordAltimetry Calibration Validation Hy-2a Mean Sea Level Sea Level
AbstractHY-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.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6332
Collection微波遥感部
Corresponding AuthorJiang, MF (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Key Lab Microwave Remote Sensing, 1 Nanertiao, Beijing 100190, Peoples R China.
Recommended Citation
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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2018413289-312.pdf(4943KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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