Long-term trend of mesospheric temperatures over Kiruna (68°N, 21°E) during 2003-2014

被引：3
|
作者：
Kim, Gawon [1 ]
Kim, Jeong-Han [2 ]
Kim, Yong Ha [1 ]
Lee, Young Sun [1 ]
机构：
[1] Chungnam Natl Univ, Dept Astron Space Sci & Geol, Daejeon, South Korea
[2] Korea Polar Res Inst, Incheon, South Korea
来源：
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2017年 / 161卷
关键词：
Mesospheric temperature; OH airglow; Rotational temperature; Climate change; HYDROXYL AIRGLOW; LIDAR OBSERVATIONS; ROTATIONAL TEMPERATURE; SVALBARD; 78-DEGREES-N; LOWER THERMOSPHERE; AURORAL STATION; MESOPAUSE; VARIABILITY; REGION; CO2;
D O I：
10.1016/j.jastp.2017.06.018
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
We have analyzed mesospheric temperatures from OH airglow measurements with a Fourier Transform Spectrometer (FTS) in the period of 2003-2014 at Kiruna (68 degrees N, 21 degrees E). We have derived the seasonal variation, solar response and long-term variation of mesospheric temperatures over Kiruna. In addition, FTS temperatures show signals of sudden stratospheric warming (SSW). After removing the estimated solar response of 5.0 +/- 1.5 IV 100SFU, we find the long-term trend of -2.6 +/- 1.5 K/decade, indicating a weak cooling trend at the high latitude. We discuss our results by comparing with those of Microwave Limb Sounder (MLS) instrument on board Aura satellite.
引用
收藏
页码：83 / 87
页数：5
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