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A method for correcting regional bias in SMOS global salinity products
Tong Xiaolin; Wang Zhenzhan; Li Qingxia; Tong, XL (reprint author), Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan 430074, Peoples R China.
Department微波遥感部
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
2015
Volume33Issue:4Pages:1072-1084
ISSN0254-4059
Language英语
KeywordOcean Salinity Microwave Radiometry Sea Surface Soil Moisture And Ocean Salinity (Smos)
AbstractSoil Moisture and Ocean Salinity (SMOS) Level 3 (L3) sea surface salinity (SSS) products are provided by the Barcelona Expert Centre (BEC). Strong biases were observed on the SMOS SSS products, thus the data from the Centre Aval de Traitement des Donn,es SMOS (CATDS) were adjusted for biases using a large-scale correction derived from observed differences between the SMOS SSS and World Ocean Atlas (WOA) climatology data. However, this large-scale correction method is not suitable for correcting the large gradient of salinity biases. Here, we present a method for the correction of SSS regional bias of the monthly L3 products. Based on the stable characteristics of the large SSS biases from month to month in some regions, corrected SMOS SSS maps can be obtained from the monthly mean values after removing the regional biases. The accuracy of the SMOS SSS measurements is greatly improved, especially near the coastline, at high latitudes, and in some open ocean regions. The SMOS and ISAS SSS data are also compared with Aquarius SSS to verify the corrected SMOS SSS data. The correction method presented here only corrects annual mean biases. The measurement accuracy of the SSS may be improved by considering the influence of atmospheric and ocean circulation in different seasons and years.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4617
Collection微波遥感部
Corresponding AuthorTong, XL (reprint author), Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan 430074, Peoples R China.
Recommended Citation
GB/T 7714
Tong Xiaolin,Wang Zhenzhan,Li Qingxia,et al. A method for correcting regional bias in SMOS global salinity products[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2015,33(4):1072-1084.
APA Tong Xiaolin,Wang Zhenzhan,Li Qingxia,&Tong, XL .(2015).A method for correcting regional bias in SMOS global salinity products.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,33(4),1072-1084.
MLA Tong Xiaolin,et al."A method for correcting regional bias in SMOS global salinity products".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 33.4(2015):1072-1084.
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