Impact of terrestrial weather on the upper atmosphere

被引：66

作者：

Fuller-Rowell, T. J. ^{[1
]}

Akmaev, R. A. ^{[1
]}

Wu, F. ^{[1
]}

Anghel, A. ^{[1
]}

Maruyama, N. ^{[1
]}

Anderson, D. N. ^{[1
]}

Codrescu, M. V. ^{[1
]}

Iredell, M. ^{[2
]}

Moorthi, S. ^{[2
]}

Juang, H. -M. ^{[2
]}

Hou, Y. -T. ^{[2
]}

Millward, G. ^{[3
]}

机构：

[1] CIRES, Space Weather Predict Ctr, Boulder, CO 80305 USA

[2] NOAA, NWS EMC, Camp Springs, MD 20746 USA

[3] Univ Colorado, LASP, Boulder, CO 80309 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2008年 / 35卷 / 09期

关键词：

D O I：

10.1029/2007GL032911

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A whole atmosphere model has been developed to demonstrate the impact of terrestrial weather on the upper atmosphere. The dynamical core is based on the NWS Global Forecast System model, which has been extended to cover altitudes from the ground to 600 km. The model includes the physical processes responsible for the stochastic nature of the lower atmosphere, which is a source of variability for the upper atmosphere. The upper levels include diffusive separation, wind induced transport of major species, and uses specific enthalpy as the dependent variable, to accommodate composition dependent gas constants and specific heats. A one-year model simulation reveals planetary waves explicitly up to 100 km altitude. At higher altitude, multi-day periodicities in the dynamics appear as a modulation of tidal amplitudes, particularly the migrating semi-diurnal tide in the lower thermosphere dynamo region. The penetration of planetary wave periodicities from tropospheric weather into the upper atmosphere can explain terrestrial weather sources of variability in the thermospheric and ionospheric.

引用

页数：5

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