globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL059741
论文题名:
Reconstruction of gaps in the past history of solar wind parameters
作者: Kondrashov D.; Denton R.; Shprits Y.Y.; Singer H.J.
刊名: Geophysical Research Letters
ISSN: 0094-10122
EISSN: 1944-9853
出版年: 2014
卷: 41, 期:8
起始页码: 2702
结束页码: 2707
语种: 英语
英文关键词: gaps ; reconstruction ; singular spectrum analysis ; solar wind
Scopus关键词: Geomagnetism ; Image reconstruction ; Magnetic fields ; Solar energy ; Spectrum analysis ; gaps ; Geo-stationary orbits ; Geomagnetic indices ; Magnetic field modeling ; Magnetic field models ; Singular spectrum analysis ; Solar wind parameters ; Systematic study ; Solar wind ; accuracy assessment ; data set ; geomagnetic field ; GOES ; parameterization ; reconstruction ; solar cycle ; solar wind ; spectral analysis
英文摘要: The historical (1972-2013) gaps of the solar wind parameters are filled-in by smooth modes of covariability using the continuous geomagnetic indices with Singular Spectrum Analysis (SSA). A systematic study using experiments with synthetic gaps has been performed to determine optimal SSA parameters for reconstruction of gaps over full solar cycle and to assess the reconstruction skill. We assessed the accuracy of the SSA gap-filling for solar wind reconstruction in T96 and TS05 empirical magnetic field models by using GOES measurements at geostationary orbit, and compared it to the results based on parameters from existing Qin and Denton interpolation. The SSA gap-filling method does improve accuracy of empirical magnetic field models, especially when gaps are large and in particular for the TS05 magnetic field model. Key Points SSA gap-filling significantly improves accuracy of TS05 model in large gaps SSA provides for most improvement in correlation in large gaps SSA-reconstructed 1972-2013 solar wind data set is included in SI ©2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84899039411&doi=10.1002%2f2014GL059741&partnerID=40&md5=0ac0d894963b26c5203dfc54ae6f148c
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7386
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作者单位: Department of Atmospheric and Oceanic Sciences, Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA, United States

Recommended Citation:
Kondrashov D.,Denton R.,Shprits Y.Y.,et al. Reconstruction of gaps in the past history of solar wind parameters[J]. Geophysical Research Letters,2014-01-01,41(8).
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