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The influence of photochemistry on gravity waves in the middle atmosphere

机译：光化学对中层大气重力波的影响

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This paper focuses on the effect of diabatic processes due to photochemical heating on long-period gravity waves in the stratosphere, mesosphere and lower thermosphere. A linear diabatic gravity wave model is established and compared to a model of pure dynamical adiabatic gravity waves. The results indicate that the photochemistry has a damping effect on gravity waves in most regions of the stratosphere and mesosphere. However, the photochemistry has a destabilizing effect on gravity waves in the mesopause region. The photochemical heating process can induce a comparatively strong enhancement of gravity waves at the mesopause for lower temperatures. In the summer polar mesopause region, this growth rate may be greater by about one order of magnitude than the growth rate of gravity waves at other seasons and locations.
机译：本文着重研究了光化学加热引起的非绝热过程对平流层，中层层和下热层中长周期重力波的影响。建立了线性绝热重力波模型，并将其与纯动态绝热重力波模型进行了比较。结果表明，光化学对平流层和中层大部分区域的重力波具有阻尼作用。但是，光化学作用对中更年期区域的重力波具有不稳定作用。在较低温度下，光化学加热过程可以在中途引起重力波的较强增强。在夏季极地绝经区，该增长率可能比其他季节和位置的重力波增长率高约一个数量级。

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