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首页> 外文期刊>Advances in Atmospheric Sciences >Seasonally Varying Reference Atmospheres for East Asia
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Seasonally Varying Reference Atmospheres for East Asia

机译：东亚季节性变化的参考大气

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摘要

Vertical profiles of seasonally varying pressure, temperature, water vapor, and trace gases (O_3, N_2O, CO, CH_4), representing atmospheric conditions up to a height of 100 km over the East Asia region (30°-50°N, 110°-150°E) were constructed by using various observation data, model outputs of atmospheric thermody-namic parameters, and gaseous concentrations. Optical characteristics of the obtained East Asia reference atmospheres were compared with those from typical midlatitude summer and winter atmospheres. It was noted that, in the water vapor field, there are major differences between the two model atmospheres during the summer. The resultant impact during the summer of water vapor difference on incoming solar fluxes at the surface and emitted terrestrial fluxes at the top of the atmosphere are 14.3 W m~(-2) and 6.5 W m~(-2), respectively. On the other hand, the winter difference between East Asian and midlatitude atmospheres appears to be insignificant. Reference atmospheres for the spring and fall are also available. Utilizing the constructed atmospheric profiles as inputs to the radiative transfer model, it is expected that the constructed seasonally varying reference atmospheres can facilitate better descriptions of optical properties in East Asia.
机译：季节性变化的压力，温度，水蒸气和微量气体（O_3，N_2O，CO，CH_4）的垂直剖面，表示东亚地区（30°-50°N，110° -150°E）是通过使用各种观测数据，大气热动力参数的模型输出以及气体浓度构建的。将获得的东亚参考大气的光学特性与典型的中纬度夏季和冬季大气的光学特性进行了比较。值得注意的是，在水蒸气领域，夏季两个模拟大气之间存在主要差异。在夏季，水汽差对地表入射太阳通量和大气层顶部发射的地面通量的影响分别为14.3 W m〜（-2）和6.5 W m〜（-2）。另一方面，东亚和中纬度大气之间的冬季差异似乎微不足道。还提供春季和秋季的参考大气。利用构建的大气廓线作为辐射传递模型的输入，可以预期构建的季节性变化参考大气将有助于更好地描述东亚的光学特性。

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