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| DOI | 10.1029/2019MS001839 |
| WISHE-Moisture Mode in a Vertically Resolved Model | |
| Fuchs-Stone Ž. | |
| 发表日期 | 2020 |
| ISSN | 19422466 |
| 卷号 | 12期号:2 |
| 英文摘要 | The Madden-Julian oscillation is a global phenomenon, a wave with the wavelength of the circumference of the Earth. A theoretical model presented by Fuchs and Raymond (2007, https://doi.org/10.1111/j.1600-0870.2007.00230.x) obtained a mode called the eastward propagating wind-induced surface heat exchange (WISHE)-moisture mode that had its largest instability for the longest wavelengths. That model imposed the first baroclinic mode vertical structure. This paper expands the Fuchs and Raymond model by developing a vertically resolved model, a model in which all the variables except the heating vertical profile are calculated. The heating profile is assumed to have a vertical structure of the first baroclinic mode. The model uses the upper boundary radiation condition and thus includes the effects of the stratosphere. The convective parametrization includes wind-induced surface heat exchange, cloud-radiation interactions, and moisture closure. The vertically resolved model produces one unstable mode whose dispersion relation characteristics closely resemble the eastward propagating WISHE-moisture mode. For the longest wavelengths it is more unstable and its phase speed is slightly larger than in the Fuchs and Raymond model. The calculated vertical structure reveals a similar vertical structure to the first baroclinic mode with small differences that to some extent agree with observations. ©2020. The Authors. |
| 英文关键词 | CRI; global disturbance; MJO; stratosphere; vertically resolved model; WISHE-moisture mode |
| 语种 | 英语 |
| scopus关键词 | Atmospheric thermodynamics; Climatology; Heat exchangers; Radiation effects; Upper atmosphere; Cloud-radiation interactions; Convective parametrization; Dispersion relations; global disturbance; Madden-Julian oscillation; Theoretical modeling; Wind induced surface heat exchange; WISHE-moisture mode; Moisture; baroclinic mode; heating; Madden-Julian oscillation; model; stratosphere; vertical profile; wavelength |
| 来源期刊 | Journal of Advances in Modeling Earth Systems
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/156758 |
| 作者单位 | Department of Physics, New Mexico Institute of Mining and Technology, Socorro, NM, United States; Climate and Water Center, New Mexico Institute of Mining and Technology, Socorro, NM, United States |
| 推荐引用方式 GB/T 7714 | Fuchs-Stone Ž.. WISHE-Moisture Mode in a Vertically Resolved Model[J],2020,12(2). |
| APA | Fuchs-Stone Ž..(2020).WISHE-Moisture Mode in a Vertically Resolved Model.Journal of Advances in Modeling Earth Systems,12(2). |
| MLA | Fuchs-Stone Ž.."WISHE-Moisture Mode in a Vertically Resolved Model".Journal of Advances in Modeling Earth Systems 12.2(2020). |
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