期刊
JOURNAL OF CLIMATE
卷 23, 期 8, 页码 2213-2222出版社
AMER METEOROLOGICAL SOC
DOI: 10.1175/2009JCLI3150.1
关键词
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资金
- U.K. Natural Environment Research Council
- NERC [NE/D003652/1, NE/D002753/1, ncas10003] Funding Source: UKRI
- Natural Environment Research Council [NE/D003652/1, NER/A/S/2003/00370, ncas10009, NE/D002753/1, ncas10003] Funding Source: researchfish
Multiple linear regression is used to diagnose the signal of the 11-yr solar cycle in zonal-mean zonal wind and temperature in the 40-yr ECMWF Re-Analysis (ERA-40) dataset. The results of previous studies are extended to 2008 using data from ECMWF operational analyses. This analysis confirms that the solar signal found in previous studies is distinct from that of volcanic aerosol forcing resulting from the eruptions of El Chichon and Mount Pinatubo, but it highlights the potential for confusion of the solar signal and lower-stratospheric temperature trends. A correction to an error that is present in previous results of Crooks and Gray, stemming from the use of a single daily analysis field rather than monthly averaged data, is also presented.
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