DOI: 10.1002/2016GL068461
论文题名: First measurement of horizontal wind and temperature in the lower thermosphere (105-140 km) with a Na Lidar at Andes Lidar Observatory
作者: Liu A.Z. ; Guo Y. ; Vargas F. ; Swenson G.R.
刊名: Geophysical Research Letters
ISSN: 0094-9245
EISSN: 1944-8976
出版年: 2016
卷: 43, 期: 6 起始页码: 2374
结束页码: 2380
语种: 英语
英文关键词: Na wind/temperature lidar
; thermospheric Na
; thermospheric temperature
; thermospheric wind
Scopus关键词: Ionosphere
; Observatories
; Optical radar
; Rockets
; Sodium
; Diurnal tides
; Horizontal winds
; Lower thermosphere
; Meridional winds
; Rocket measurements
; Span 60
; Thermospheric winds
; Time span
; Atmospheric temperature
; air temperature
; lidar
; magnitude
; meridional circulation
; mesopause
; temperature profile
; thermosphere
; wind field
; Andes
; Chile
英文摘要: We report the first measurement of nighttime atmospheric temperature and horizontal wind profiles in the lower thermosphere up to 140 km with the Na lidar at Andes Lidar Observatory in Cerro Pachón, Chile (30.25°S, 70.74°W), when enhanced thermospheric Na was observed. Temperature and horizontal wind were derived up to 140 km using various resolutions, with the lowest resolution of about 2.7 hr and 15 km above 130 km. Thus, the measurements span 60 km in vertical, more than double the traditional 25 km. On the night of 17 April 2015, the horizontal wind magnitude in the thermosphere exceeds 150 ms-1, consistent with past rocket measurements. The meridional wind shows a clear transition from the diurnal-tide-dominant mesopause to the semidiurnal-tide-dominant lower thermosphere. A lidar with a 100 times the power aperture product will be able to measure wind and temperature above 160 km and cover longer time span, providing key measurements for the study of atmosphere-space interactions in this region. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84977996319&doi=10.1002%2f2016GL068461&partnerID=40&md5=7b32eceb2066a351e74620d0c040e7ec
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10208
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Center for Space and Atmospheric Research, Department of Physical Sciences, Embry-Riddle Aeronautical University, Daytona Beach, FL, United States
Recommended Citation:
Liu A.Z.,Guo Y.,Vargas F.,et al. First measurement of horizontal wind and temperature in the lower thermosphere (105-140 km) with a Na Lidar at Andes Lidar Observatory[J]. Geophysical Research Letters,2016-01-01,43(6).