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Solar Response and Long-Term Trend of Midlatitude Mesopause Region Temperature Based on 28 Years (1990-2017) of Na Lidar Observations
She, Chiao-Yao; Berger, U.; Yan, Zhao-Ai; Yuan, Tao; Luebken, F-J; Krueger, David A.; Hu, Xiong
Department空间环境部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2019
Volume124Issue:8Pages:7140-7156
DOI10.1029/2019JA026759
ISSN2169-9380
Language英语
Keywordlong-term changes midlatitude mesopause 28 duration
AbstractWe present midlatitude solar response and linear trend from Colorado State University/Utah State University Na lidar nocturnal temperature observations between 1990 and 2017. Along with the nightly mean temperatures (_Ngt), we also use the corresponding 2-hr means centered at midnight (_2MN), resulting in vertical trend profiles similar in shapes as those previously published. The 28-year trend from _Ngt (_2MN) data set starts from a small warming at 85 km, to cooling at 87 (88) km, reaching a maximum of 1.85 +/- 0.53 (1.09 +/- 0.74) at 92 (93) km and turns positive again at 102 (100) km. The 6-month winter trend is much cooler than the 4-month summer trend with comparable solar response varying around 5 +/- 1 K/100 SFU throughout the profile (85-105 km) with higher summer values. We explore the observed summer/winter trend difference in terms of observed gravity wave heat flux heating rate at a nearby station and the long-term trend of gravity wave variance at a midlatitude. Between 89 and 100 km, the lidar trends are within the error bars of the Leibniz Middle Atmosphere (LIMA) summer trends (1979-2013), which are nearly identical to the lidar-Ngt trend. We address the need of long data set for reliable analysis on trend, the extent of trend uncertainty due to possible tidal bias, the effect of a Pinatubo/episodic function, and the impact of stratospheric ozone recovery.
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7198
Collection空间环境部
Recommended Citation
GB/T 7714
She, Chiao-Yao,Berger, U.,Yan, Zhao-Ai,et al. Solar Response and Long-Term Trend of Midlatitude Mesopause Region Temperature Based on 28 Years (1990-2017) of Na Lidar Observations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2019,124(8):7140-7156.
APA She, Chiao-Yao.,Berger, U..,Yan, Zhao-Ai.,Yuan, Tao.,Luebken, F-J.,...&Hu, Xiong.(2019).Solar Response and Long-Term Trend of Midlatitude Mesopause Region Temperature Based on 28 Years (1990-2017) of Na Lidar Observations.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,124(8),7140-7156.
MLA She, Chiao-Yao,et al."Solar Response and Long-Term Trend of Midlatitude Mesopause Region Temperature Based on 28 Years (1990-2017) of Na Lidar Observations".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124.8(2019):7140-7156.
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