DOI: 10.1002/2015GL064871
论文题名: Modeling the ionospheric impact of tsunami-driven gravity waves with SAMI3: Conjugate effects
作者: Huba J.D. ; Drob D.P. ; Wu T.-W. ; Makela J.J.
刊名: Geophysical Research Letters
ISSN: 0094-9170
EISSN: 1944-8901
出版年: 2015
卷: 42, 期: 14 起始页码: 5719
结束页码: 5726
语种: 英语
英文关键词: conjugate effects
; gravity waves
; ionosphere
; tsunami
Scopus关键词: Electric fields
; Electromagnetic wave emission
; Geomagnetism
; Ionosphere
; Ionospheric measurement
; Research laboratories
; Tsunamis
; Conjugate effects
; Electric field induced
; Ionosphere modeling
; Ionospheric effects
; Naval Research Laboratory
; Tohoku-oki tsunamis
; Total electron content
; Total electron content units
; Gravity waves
; electron
; geomagnetic field
; gravity wave
; ionosphere
; Northern Hemisphere
; Southern Hemisphere
; Tohoku earthquake 2011
; tsunami
英文摘要: The Naval Research Laboratory first-principles ionosphere model SAMI3 is used to study the ionospheric effects associated with tsunami-driven gravity waves. Specifically, the Tohoku-Oki tsunami of 11 March 2011 is modeled. It is shown that gravity wave-induced variations in the neutral wind lead to plasma velocity variations both perpendicular and parallel to the geomagnetic field. Moreover, the electric field induced by the neutral wind perturbations can map to the conjugate hemisphere. Thus, electron density variations can be generated in both hemispheres which impact the total electron content (TEC) and 6300 Å airglow emission. It is found that the TEC exhibits variations of ≱0.1 total electron content unit (1 TECU = 1016 el m-2) and the 6300 Å airglow emission variation is up to ∼±2.5% relative to the unperturbed background airglow. © 2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84938959241&doi=10.1002%2f2015GL064871&partnerID=40&md5=d01587aa87f8373b93ec730aa24dedbd
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8786
Appears in Collections: 科学计划与规划 气候变化与战略
There are no files associated with this item.
作者单位: Plasma Physics Division, Naval Research Laboratory, Washington, DC, United States
Recommended Citation:
Huba J.D.,Drob D.P.,Wu T.-W.,et al. Modeling the ionospheric impact of tsunami-driven gravity waves with SAMI3: Conjugate effects[J]. Geophysical Research Letters,2015-01-01,42(14).