Zhao Juan1; Han Yanben2
Source Publicationsciencechinaphysicsmechanicsastronomy
AbstractIn order to uncover a possible influence on the Earth's climate, we need a much longer time series, i.e., the total solar irradiance (TSI) which is also an interesting issue in its own right in solar physics. By comparing different solar indices associated with TSI during the period 1979 to 2009, several empirical models in the TSI are presented. We verify that the reconstruction model based on the three variables: sunspot number, sunspot area, and solar 10.7 cm radio flux, is the best one. As demonstrated by model calculations, the history of TSI was reconstructed back to 1947 based on 3-indices and to 1874 based on 2-indices, respectively. The reason that the reduced irradiance on the trough during 2006 to 2009 lasts long may be due to the about 85-year cycle of solar activity, which modulates the intensity of the 11-year cycle (Schwabe cycles), possesses a considerable potential to produce an effective reducing, and holds on a steadily lower level of irradiance.
Funding Project[National Natural Science Foundation of China] ; [Excellent Scientists Training Program of Beijing]
Document Type期刊论文
Recommended Citation
GB/T 7714
Zhao Juan,Han Yanben. sunstotalirradiancereconstructionbasedonmultiplesolarindices[J]. sciencechinaphysicsmechanicsastronomy,2012,55(1):179.
APA Zhao Juan,&Han Yanben.(2012).sunstotalirradiancereconstructionbasedonmultiplesolarindices.sciencechinaphysicsmechanicsastronomy,55(1),179.
MLA Zhao Juan,et al."sunstotalirradiancereconstructionbasedonmultiplesolarindices".sciencechinaphysicsmechanicsastronomy 55.1(2012):179.
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