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昆明全天空流星雷达观测中高层大气温度
Alternative TitleObservation of upper atmospheric temperature by Kunming all-sky meteor radar
易稳; 陈金松; 马春波; 李娜; 赵振维
Department微波遥感部
Source Publication地球物理学报
2014
Volume57Issue:8Pages:2423-2432
ISSN0001-5733
Language中文
Keyword流星雷达 大气温度 双极扩散系数 温度梯度 中层顶 流星峰值高度
Abstract利用昆明电波观测站(25.6°N,103.8°E)两台不同工作频率的全天空流星雷达在2011年特殊联合观测试验期间的数据,基于Hocking的方法利用不同的温度梯度,在确定了昆明地区中层顶位于流星峰值高度之上的情况下,反演了昆明地区上空88 km和85 km高度的大气温度,并与Aura卫星观测的温度进行比较。对比研究发现,两台流星雷达可以分别正确获得88 km和85 km高度的大气温度,但其中由全球温度梯度模式反演得到的大气温度与卫星观测温度相关性不是很好,而利用卫星观测的温度梯度,两台雷达反演出的大气温度与卫星观测温度存在很好的相关性。结果表明了准确的温度梯度在流星雷达观测大气温度过程中是至关重要的。
Other AbstractUsing the data collected by the all-sky meteor radar with two different operating frequencies at the Kunming station (25. 6 degrees N, 103. 8 degrees E) during the special joint observation experiment in 2011, we determined the mesopause above the height of peak meteor activity based on the method improved by Hocking with different temperature gradient retrieval of atmospheric temperature at 88 km and 85 km over Kunming. Comparison with the Aura satellite temperature data shows that two separate meteor radars can measure correct atmospheric temperature at the height of peak meteor activity, however the correlation between temperature determined by the meteor radar using temperature gradient model and satellite temperature is not well. While the temperature determined by meteor radar using satellite temperature gradients have good correlation with satellite temperature. It is concluded that the accurate temperature gradient is very important in the Hocking's method.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4542
Collection微波遥感部
Recommended Citation
GB/T 7714
易稳,陈金松,马春波,等. 昆明全天空流星雷达观测中高层大气温度[J]. 地球物理学报,2014,57(8):2423-2432.
APA 易稳,陈金松,马春波,李娜,&赵振维.(2014).昆明全天空流星雷达观测中高层大气温度.地球物理学报,57(8),2423-2432.
MLA 易稳,et al."昆明全天空流星雷达观测中高层大气温度".地球物理学报 57.8(2014):2423-2432.
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