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首页> 外文期刊>Geophysical Research Letters >Examining the wintertime response to tropical convection over the Indian Ocean by modifying convective heating in a full atmospheric model
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Examining the wintertime response to tropical convection over the Indian Ocean by modifying convective heating in a full atmospheric model

机译：通过在完整大气模型中修改对流加热来研究冬季印度洋对热带对流的响应

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[1] The boreal winter response to tropical convection in the eastern Indian Ocean is investigated by increasing the mid-level diabatic heating for that region in the NCAR Community Atmosphere Model, version 3.1. The response is quite similar to the analytic Gill solution to steady heating, with a pair of Rossby wave packets poleward and to the west of the heating, extending into mid-latitudes, and a Kelvin response to the east of the heating. Changes to tropical convection in the eastern Indian Ocean are an important component of several important modes of atmospheric variability, including the Madden-Julian Oscillation, some El Nino-Southern Oscillation events, and the Indian Ocean Dipole. The simulated response has considerable similarities to observational aspects of these modes, both in terms of the Gill-like circulation patterns and changes to precipitation over Southwest Asia, demonstrating the central importance of the Indian Ocean convection in determining the regional response.
机译：[1]在NCAR社区大气模型3.1版中，通过增加该地区的中层绝热加热，研究了北印度洋东部冬季对热带对流的冬季响应。响应与解析Gill对稳定加热的解决方案非常相似，一对Rossby波包在加热的西边向极化方向延伸，并延伸到中纬度，而开尔文响应则在加热的东边。印度洋东部热带对流的变化是几种重要的大气变化模式的重要组成部分，包括马登—朱利安涛动，某些厄尔尼诺-南方涛动和印度洋偶极子。模拟的响应在吉尔样环流模式和西南亚降水的变化方面都与这些模式的观测方面有很大的相似性，这表明印度洋对流在确定区域响应中的重要作用。

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