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PLATEAU METEOROLOGY  1993, Vol. 12 Issue (1): 12-17    DOI:
    
THE PERSISTENCE AND THE CHARACTERISTICS OF OSCILLATION OF SOIL TEMPERATURES IN DIFFERENT DEPTHS
She Jun1, Zhang Banglin2, Chou Jifan3
Department of Atmospheric Sciences, Lanzhou University, Lanzhou, Gansu 730000
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Abstract  First,by using iterative EOFs expansion,the data of soil temperatures in 0.8m and in 1.6m are,retrieved,then the persistence and the characteristics of oscillation are studied.Results show that:there are durations of 3-5 months on soil temperature in 0.8 m and about 6 months in 1.6 m,significant periodic oscillations of about 12 months which attribute 24.4% and 32% to total variance on soil temperatures in 0.8m and 1.6m respectively.The spectral variance of longer periodic oscillation is higher in 1.6m than that in 0.8m.But the spectral variance of shorter periodic oscillation is lower in 1.6 m than that in 0.8 m.
Key words:  Soil temperature      Persistence      Oscillation characteristic     
Received:  07 January 1992      Published:  24 March 1993
Articles by authors
She Jun
Zhang Banglin
Chou Jifan

Cite this article: 

She Jun, Zhang Banglin, Chou Jifan. THE PERSISTENCE AND THE CHARACTERISTICS OF OSCILLATION OF SOIL TEMPERATURES IN DIFFERENT DEPTHS. PLATEAU METEOROLOGY, 1993, 12(1): 12-17.

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http://www.gyqx.ac.cn/EN/     OR     http://www.gyqx.ac.cn/EN/Y1993/V12/I1/12

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