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DOI | 10.1029/2019GL086841 |
COSMIC-2 Radio Occultation Constellation: First Results | |
Schreiner, W. S.1; Weiss, J. P.1; Anthes, R. A.1; Braun, J.1; Chu, V2; Fong, J.2; Hunt, D.1; Kuo, Y-H1; Meehan, T.3; Serafino, W.4; Sjoberg, J.1; Sokolovskiy, S.1; Talaat, E.4; Wee, T-K1; Zeng, Z.1 | |
2020-02-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:4 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Taiwan |
英文摘要 | Initial data from the Formosa Satellite-7/Constellation Observing System for Meteorology Ionosphere and Climate (FORMOSAT-7/COSMIC-2, hereafter C2), a recently launched equatorial constellation of six satellites carrying advanced radio occultation receivers, exhibit high signal-to-noise ratio, precision, and accuracy, and the ability to provide high vertical resolution profiles of bending angles and refractivity, which contain information on temperature and water vapor in the challenging tropical atmosphere. After an initial calibration/validation phase, over 100,000 soundings of bending angles and refractivity that passed quality control in October 2019 are compared with independent data, including radiosondes, model forecasts, and analyses. The comparisons show that C2 data meet expectations of high accuracy, precision, and capability to detect superrefraction. When fully operational, the C2 satellites are expected to produce similar to 5,000 soundings per day, providing freely available observations that will enable improved forecasts of weather, including tropical cyclones, and weather, space weather, and climate research. Plain Language Summary This paper describes an initial quality assessment of satellite observations from a recently launched (25 June 2019) constellation of six satellites that orbit Earth over the tropics. The approximately 5,000 vertical profiles per day, obtained using a relatively new technique called radio occultation, provide information of unprecedented quality on the temperature and water vapor in the tropics. These observations, which are freely available to forecasters and researchers worldwide, will be useful in improving forecasts of weather, including tropical cyclones, and supporting weather and climate research. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000529120100054 |
WOS关键词 | LOWER TROPOSPHERE ; REFRACTIVITY ; SIGNALS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/279679 |
专题 | 气候变化 |
作者单位 | 1.Univ Corp Atmospher Res, COSMIC Program, Boulder, CO 80301 USA; 2.Natl Space Org, Hsinchu, Taiwan; 3.NASA, Jet Prop Lab, Pasadena, CA USA; 4.NOAA, NESDIS, Silver Spring, MD USA |
推荐引用方式 GB/T 7714 | Schreiner, W. S.,Weiss, J. P.,Anthes, R. A.,et al. COSMIC-2 Radio Occultation Constellation: First Results[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(4). |
APA | Schreiner, W. S..,Weiss, J. P..,Anthes, R. A..,Braun, J..,Chu, V.,...&Zeng, Z..(2020).COSMIC-2 Radio Occultation Constellation: First Results.GEOPHYSICAL RESEARCH LETTERS,47(4). |
MLA | Schreiner, W. S.,et al."COSMIC-2 Radio Occultation Constellation: First Results".GEOPHYSICAL RESEARCH LETTERS 47.4(2020). |
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