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中国科学院东亚区域气候-环境重点实验室是经中国科学院批准,在原中国科学院大气物理研究所全球变化东亚区域研究中心基础上成立的开放实验室。研究领域包括东亚区域环境、气候变化等全球变化研究的诸多方面,多学科交叉研究是本实验室的基本特色。同时,实验室还承...
【学术报告】Dr.Prof. Hsiao-Ming Hsu, NCAR

报告题目:External Forcing and Internal Variability in Numerical Simulations of Last Millennium Climate by CESM

    人:Dr. Hsiao-Ming Hsu

        位:NCAR

        间:2016622日上午09:30

        点:大气所40号楼319会议室

Abstract: The external forcing and the internal variability in numerical simulations of last millennium

climate by the community earth system model (CESM) are investigated by the spectral

decomposition using wavelet.  The simulations include five different ensembles of single forcing,

greenhouse gas levels, volcanic variations, changes in land use/land cover, orbital variations,

and total solar irradiance.  And an ensemble of nine experiments of those single forcing combined

(the full forcing) was also conducted.  All the experiments have almost identical spectra in the high-

frequency band.  However, in each ensembles of different external forcing, the low-frequency

spectra indicate significantly different spectral exponents in average, while the internal variability

can be realized by the small variations around the average.


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