CLIMATIC CHARACTERISTICS OF NET RADIATION IN THE EARTH-ATMOSPHERE SYSTEM OVER CHINA* |
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| Authors: | Weng Duming and Li Ju |
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| Institution: | Nanjing Institute of Meteorology, Nanjing 210044;Nanjing Institute of Meteorology, Nanjing 210044 |
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| Abstract: | Investigated are effects of the total cloudiness and other factors on earth-atmosphere net radiation(EANR) and analyzed is its relation to other components and ground surface net radiation in the context of ERBE and ISCCP.Evidence suggests that planetary scale albedo and earth-atmosphere short wave absorption radiation have maximum effect on the net radiation under study,with the influence of cloud and latitude displayed predominantly through the two factors;OLR has relatively weak effect;the earth-atmosphere net radiation is well correlated with surface net radiation.Analysis is also performed of the geographic distribution of the earth-atmosphere net radiation throughout China,and the annual curve of the net radiation on a local basis is marked by high(low) value in summer(winter) with the impact of factors.including total cloudiness responsible largely for the shift of the months with maximum. |
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| Keywords: | net radiation earth-atmosphere system short wave absorption radiation outgoing longwave radiation(OLR) climatic characteristics |
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