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ENERGY BALANCE IN 40-50 DAY PERIODIC OSCILLATION OVER THE ASIAN SUMMER MONSOON REGION DURING THE 1979 SUMMER
作者姓名:He Jinhai  T. Murakami  T. Nakazawa
摘    要:Based on calculations of data from FGGE Level III b, a discussion is made of the energy balance in the 40-50 day periodic oscillation over the Asian monsoon region during the 1979 summer. It is found that the main source of 40-50 day periodic perturbation is the monsoon region extending from central South Asia to Southeast Asia. In the upper layer over the North Pacific subtropical area (10-20oN, 150oE-150oW) pres-sure work turns into kinetic energy that maintains 40-50 day periodic perturbation associated with the variation in position and intensity of the mid-Pacific trough. The mean energy budget in the three-dimensional space (0-30oE, 30oE-150oW, 100-1000 hPa) indicates that the 40-50 day periodic perturbation transports kinetic energy to a seasonal mean and a transient perturbation wind field.

收稿时间:26 September 1985

Energy balance in 40-50 day periodic oscillation over the Asian summer monsoon region during the 1979 summer
He Jinhai,T. Murakami,T. Nakazawa.Energy balance in 40-50 day periodic oscillation over the Asian summer monsoon region during the 1979 summer[J].Advances in Atmospheric Sciences,1987,4(1):66-73.
Authors:He Jinhai  T Murakami and T Nakazawa
Institution:(1) Nanjing Institute of Meteorology, Nanjing;(2) Department of Meteorology, University of Hawaii, Honolulu, USA
Abstract:Based on calculations of data from FGGE Level III b, a discussion is made of the energy balance in the 40–50 day periodic oscillation over the Asian monsoon region during the 1979 summer. It is found that the main source of 40–50 day periodic perturbation is the monsoon region extending from central South Asia to Southeast Asia. In the upper layer over the North Pacific subtropical area (10-20°N, 150°E-150°W) pressure work turns into kinetic energy that maintains 40–50 day periodic perturbation associated with the variation in position and intensity of the mid-Pacific trough. The mean energy budget in the three-dimensional space (0-30°N, 30°E-150°W, 100-1000 hPa) indicates that the 40–50 day periodic perturbation transports kinetic energy to a seasonal mean and a transient perturbation wind field.
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