Improving the diurnal cycle of convection in GCMs
Improving the diurnal cycle of convection in GCMs
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DOI：
10.1002/qj.991
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发表时间：
2012-07
影响因子：
8.9
通讯作者：
R. Stratton;A. Stirling
中科院分区：
文献类型：
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作者：
R. Stratton;A. Stirling
英国气象局单柱模型用于通过与理想化云解析模型研究的先前结果进行比较，来检查陆地上热带对流昼夜循环的发展阶段。改变陆地上的深对流参数化，使夹带随凝结高度升高而变化，从而减少了当天早些时候的对流深度。为改善陆地昼夜周期早期阶段所做的改变在英国气象局哈德利中心气候模型的纯大气版本中进行了测试，结果改善了陆地降水日峰值的幅度和时间。版权所有 © 2011 英国皇家版权，英国气象局。由约翰·威利父子有限公司出版
The Met Office single‐column model is used to examine the development phase of the diurnal cycle of tropical convection over land by comparing against previous results from an idealized cloud‐resolving model study. Changing the deep convective parametrization over land to make the entrainment vary with the height of the lifting condensation level reduces the depth of the convection early in the day. The changes made to improve the early phase of diurnal cycle over land are tested in an atmosphere‐only version of the Met Office Hadley Centre climate model and result in an improvement in the amplitude and timing of the diurnal peak in precipitation over land. Copyright © 2011 British Crown copyright, the Met Office. Published by John Wiley & Sons Ltd.