Observations of stratosphere-troposphere coupling during major solar eclipses from FORMOSAT-3/COSMIC constellation

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Title:	Observations of stratosphere-troposphere coupling during major solar eclipses from FORMOSAT-3/COSMIC constellation
Authors:	王國英;Wang, Kuo-Ying;Liu, Chao-Han;Lee, Lou-Chuang;Braesicke, Peter
Contributors:	地球科學學院大氣科學學系
Keywords:	Aerospace Technology and Astronautics;Astrophysics and Astroparticles;Cooling;Earth, ocean, space;Exact sciences and technology;External geophysics;General properties of the high atmosphere;Global positioning systems;GPS;Meteorology;Physics;Physics and Astronomy;Physics of the high neutral atmosphere;Planetology;Solar eclipses;Space Exploration and Astronautics;Space Sciences (including Extraterrestrial Physics;Stratosphere;Troposphere;Weather forecasting
Date:	2012-06-01
Issue Date:	2026-04-21 13:35:46 (UTC+8)
Publisher:	Springer Netherlands;Dordrecht: Springer Netherlands
Abstract:	摘要： Sudden tropospheric cooling and induced stratospheric warming were found during the 22 July 2009 total solar eclipse. Can the 22 July 2009 hallmark also be seen in other major solar eclipses? Here we hypothesize that the tropospheric cooling and the stratospheric warming can be predicted to occur during a major solar eclipse event. In this work we use the FORMOSAT-3/COSMIC (F3C) Global Positioning System (GPS) radio occultation (RO) data to construct eclipse-time temperature profiles before, during, and after the passages of major solar eclipses for the years 2006–2010. We use four times a day of meteorological analysis from the European Centre for Medium Range Weather Forecast (ECMWF) global meteorological analysis to construct non-eclipse effect temperature profiles for the same eclipse passages. The eclipse effects were calculated based on the difference between F3C and ECMWF profiles. A total of five eclipse cases and thirteen non-eclipse cases were analyzed and compared. We found that eclipses cause direct thermal cooling in the troposphere and indirect dynamic warming in the stratosphere. These results are statistically significant. Our results show −0.6 to −1.2°C cooling in the troposphere and 0.4 to 1.3°C warming in the middle to lower stratosphere during the eclipses. This characteristic stratosphere-troposphere coupling in temperature profiles represent a distinctive atmospheric responses to the solar eclipses. 其他題名： Space Sci Rev 出版者： Dordrecht: Springer Netherlands 出版日期： 2012-06-01 出處： Space science reviews, 2012-06, Vol.168 (1-4), p.261-282 資源來源： EBSCOhost Academic Search Premier 版權： The Author(s) 2011 版權： 2015 INIST-CNRS 版權： Springer Science+Business Media B.V. 2012 識別號： ISSN: 0038-6308 識別號： ISSN: 1572-9672 識別號： EISSN: 1572-9672 識別號： DOI: 10.1007/s11214-011-9829-1 識別號： CODEN: SPSRA4
Appears in Collections:	[Department of Atmospheric Sciences] journal & Dissertation

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