NSSC OpenIR  > 微波遥感部
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.
Department微波遥感部
Source Publication2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
2016
Pages5831-5834
Language英语
ISSN2153-6996
ISBN978-1-5090-3332-4
AbstractSince 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.
KeywordHy-2a Altimeter Absolute Calibration Sea Level
Conference Name36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Conference DateJUL 10-15, 2016
Conference PlaceBeijing, PEOPLES R CHINA
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5768
Collection微波遥感部
Corresponding AuthorLiu, YL (reprint author), State Ocean Adm, Yantai Marine Environm Monitoring Ctr Stn, Yantai, Peoples R China.
Recommended Citation
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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