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1 September 2006 Development of inertia-gravitational waves and activities of rain belts in the period of Meiyu rainstorm
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Abstract
Through analyzing the mesoscale disturbance field of a Meiyu rainstorm, it is found that there are close relations between the development and propagation of inertia-gravitational waves, rain belts and low vortex. The propagating patterns of inertia-gravitational waves are different in the upper and lower levels. In the early period of precipitation, convective instability triggers the inertia-gravitational waves. When there are inertia-gravitational waves propagating southward in the upper and lower levels, it is favorable to form multi-rain belts. In the mid of precipitation, the inertia-gravitational waves in the upper-layer rotate anticlockwise with the lower-layer vortex center, and precipitation strengthens and moves eastward in the meantime. The inertia-gravitational waves propagating northward in the upperlayer may result in the development of the lower-layer vortex and precipitation.
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Yue Chang, Jinhai He, Zhiying Ding, Shuai Yang, and Lijuan Wang "Development of inertia-gravitational waves and activities of rain belts in the period of Meiyu rainstorm", Proc. SPIE 6301, Atmospheric and Environmental Remote Sensing Data Processing and Utilization II: Perspective on Calibration/Validation Initiatives and Strategies, 63010R (1 September 2006); https://doi.org/10.1117/12.677638
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