Preliminary validation of SMOS sea surface salinity measurements in the South China Sea
文献类型：期刊论文
| 作者 | Ren Yongzheng1; Dong Qing1; He Mingxia1 |
| 刊名 | CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
 |
| 出版日期 | 2015 |
| 卷号 | 33期号:1页码:333-338 |
| 关键词 | sea surface salinity (SSS) soil moisture and ocean salinity (SMOS) sea surface roughness model South China Sea (SCS) |
| 通讯作者 | Ren, YZ (reprint author), Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China. |
| 英文摘要 | The SMOS (soil moisture and ocean salinity) mission undertaken by the European Space Agency (ESA) has provided sea surface salinity (SSS) measurements at global scale since 2009. Validation of SSS values retrieved from SMOS data has been done globally and regionally. However, the accuracy of SSS measurements by SMOS in the China seas has not been examined in detail. In this study, we compared retrieved SSS values from SMOS data with in situ measurements from a South China Sea (SCS) expedition during autumn 2011. The comparison shows that the retrieved SSS values using ascending pass data have much better agreement with in situ measurements than the result derived from descending pass data. Accuracy in terms of bias and root mean square error (RMS) of the SSS retrieved using three different sea surface roughness models is very consistent, regardless of ascending or descending orbits. When ascending and descending measurements are combined for comparison, the retrieved SSS using a semi-empirical model shows the best agreement with in situ measurements, with bias -0.33 practical salinity units and RMS 0.74. We also investigated the impact of environmental conditions of sea surface wind and sea surface temperature on accuracy of the retrieved SSS. The SCS is a semi-closed basin where radio frequencies transmitted from the mainland strongly interfere with SMOS measurements. Therefore, accuracy of retrieved SSS shows a relationship with distance between the validation sites and land. |
| 研究领域[WOS] | Limnology ; Oceanography |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000351156200029 |
| 源URL | [http://ir.ceode.ac.cn/handle/183411/38322]  |
| 专题 | 遥感与数字地球研究所_SCI/EI期刊论文_期刊论文 |
| 作者单位 | 1.[Ren Yongzheng 2.Dong Qing] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China 3.[He Mingxia] Ocean Univ China, Ocean Remote Sensing Inst, Qingdao 266002, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ren Yongzheng,Dong Qing,He Mingxia. Preliminary validation of SMOS sea surface salinity measurements in the South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2015,33(1):333-338. |
| APA | Ren Yongzheng,Dong Qing,&He Mingxia.(2015).Preliminary validation of SMOS sea surface salinity measurements in the South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,33(1),333-338. |
| MLA | Ren Yongzheng,et al."Preliminary validation of SMOS sea surface salinity measurements in the South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 33.1(2015):333-338. |
入库方式： OAI收割
来源：遥感与数字地球研究所
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