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题名: Development of a mobile Doppler lidar system for wind and temperature measurements at 30-70 km
作者: Yan, Zhaoai; Hu, Xiong; Guo, Wenjie; Guo, Shangyong; Cheng, Yongqiang; Gong, Jiancun; Yue, Jia
作者部门: 空间环境部
关键词: Doppler lidar ; Wind ; Temperature ; Mobile
刊名: JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
ISSN号: 0022-4073
出版日期: 2017
卷号: 188, 页码:52-59
收录类别: SCI ; EI
项目资助者: Instrument Development Project of the Chinese Academy of Sciences [YZ201130] ; High Resolution Earth Observation System Major Special Project Youth Innovation Foundation of China [GFZX04060103] ; National Natural Science Foundation of China [41104100] ; CAS
英文摘要: A mobile Doppler lidar system has been developed to simultaneously measure zonal and meridional winds and temperature from 30 to 70 km. Each of the two zonal and meridional wind subsystems employs a similar to 15 W power, 532 nm laser and a 1 m diameter telescope. Iodine vapor filters are used to stabilize laser frequency and to detect the Doppler shift of backscattered signal. The integration method is used for temperature measurement. Experiments were carried out using the mobile Doppler lidar in August 2014 at Qinghai, China (91 degrees E, 38 degrees N). The zonal wind was measured from 20 to 70 km at a 3 km spatial resolution and 2 h temporal resolution. The measurement error is about 0.5 m/s at 30 km, and 10 m/s at 70 km. In addition, the temperature was measured from 30 to 70 km at 1 km spatial resolution and 1 h temporal resolution. The temperature measurement error is about 0.4 K at 30 km, and 8.0 K at 70 km. Comparison of the lidar results with the temperature of the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER), the zonal wind of the Modern-Era Retrospective Analysis for Re-search and Applications (MERRA), and radiosonde zonal wind shows good agreement, indicating that the Doppler lidar results are reliable. (C) 2016 Published by Elsevier Ltd.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/6137
Appears in Collections:空间环境部_期刊论文

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