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DOI | 10.1029/2019GL085934 |
Multilayer Observations and Modeling of Thunderstorm-Generated Gravity Waves Over the Midwestern United States | |
Heale, C. J.1; Snively, J. B.1; Bhatt, A. N.2; Hoffmann, L.3; Stephan, C. C.4; Kendall, E. A.2 | |
2019-12-06 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:23页码:14164-14174 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Germany |
英文摘要 | We present multilayer observations and numerical simulations of gravity waves (GWs) generated by a series of Mesoscale Convective Systems over the midwestern United States. Strong semiconcentric GWs were observed and modeled, which couple from their tropospheric sources to the thermosphere, displaying strong nonlinearity indicated by instability, breaking, and formation of turbulent vortices. GWs in the stratosphere display a large range of horizontal scales from 34-400 km; however, the smaller wavelength waves break rapidly in the mesosphere and lower thermosphere. Larger-scale (>= 150 km) waves dominate in the thermosphere and display northwestward propagation at 200-300 km altitude, opposing the mean winds. Despite strong molecular viscosity and thermal conductivity in the thermosphere, steepened wave fronts, which may indicate nonlinearity, is identified in 630 nm airglow imagers. The agreement between model and data suggests new opportunities for data-constrained simulations that span multilayer observables, including mesosphere and lower thermosphere-region airglow not captured for this event. |
英文关键词 | acoustic-gravity waves large eddy simulation thermospheric dynamics multilayer coupling multilayer observation convective wave generation |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000500756200001 |
WOS关键词 | TROPICAL CYCLONE ; CONVECTION ; STRATOSPHERE ; SIMULATIONS ; BREAKING ; PARAMETERIZATION ; CIRCULATION ; ATMOSPHERE ; SATELLITE ; SPECTRUM |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/225174 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Embry Riddle Aeronaut Univ, CSAR, Daytona Beach, FL 32114 USA; 2.SRI Int, Ctr Geospace Studies, 333 Ravenswood Ave, Menlo Pk, CA 94025 USA; 3.Forschungszentrum Julich, Julich Supercomp Ctr, Julich, Germany; 4.Max Planck Inst Meteorol, Hamburg, Germany |
推荐引用方式 GB/T 7714 | Heale, C. J.,Snively, J. B.,Bhatt, A. N.,et al. Multilayer Observations and Modeling of Thunderstorm-Generated Gravity Waves Over the Midwestern United States[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(23):14164-14174. |
APA | Heale, C. J.,Snively, J. B.,Bhatt, A. N.,Hoffmann, L.,Stephan, C. C.,&Kendall, E. A..(2019).Multilayer Observations and Modeling of Thunderstorm-Generated Gravity Waves Over the Midwestern United States.GEOPHYSICAL RESEARCH LETTERS,46(23),14164-14174. |
MLA | Heale, C. J.,et al."Multilayer Observations and Modeling of Thunderstorm-Generated Gravity Waves Over the Midwestern United States".GEOPHYSICAL RESEARCH LETTERS 46.23(2019):14164-14174. |
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