国家自然科学基金(41264006)

作品数：4被引量：7H指数：2
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相关作者：刘汉军孙书娟羊大力田大伟沈振江更多>>
相关机构：中国科学院国家空间科学中心海南师范大学更多>>
相关期刊：《Science China Earth Sciences》《Science Bulletin》《大气与环境光学学报》更多>>
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Occurrence and characteristics of sporadic K layer observed by lidar over Beijing, China被引量：3
《Science China Earth Sciences》2016年第3期540-547,共8页JIAO Jing YANG Guo Tao WANG Ji Hong WANG Ze Long YANG Yong 
the National Natural Science Foundation of China (Grant Nos. 41474130, 41264006 and 41174129);the Specialized Research Fund for State Key Laboratories of China
A double-laser-beam lidar was successfully developed in 2010 to measure the K layer over Yanqing County, Beijing(40.5°N, 116.2°E). Comprehensive statistical analyses of sporadic K(Ks) layer parameters were conducted...
关键词：Sporadic K layer Lidar observation Sporadic E layer Atmospheric temperature 
Lidar observation campaigns on diurnal variations of the sodium layer in Beijing and Wuhan, China被引量：2
《Science China Earth Sciences》2015年第8期1377-1386,共10页GONG ShaoHua YANG GuoTao CHENG XueWu GONG Shun Sheng XU JiYao LI FaQuan GONG Wei WANG JiHong 
financially supported by the National Natural Science Foundation of China(Grant No.41264006);the China Postdoctoral Science Foundation(Grant No.20110490609);the Natural Science Foundation of Hainan Province(Grant Nos.413127,20154191);partially supported by the National Natural Science Foundation of China(Grant Nos.40905012,41174129)
Based on observations from daytime lidars in eastern China,diurnal cycles of the sodium layer over Wuhan(30.5°N,114.6°E)and Beijing(40.5°N,116°E)are investigated.Diurnal variations of Na density,root mean square(R...
关键词：daytime lidar diurnal variations of the sodium layer photochemistry effects tidal perturbations 
Joint observations of sporadic sodium and sporadic E layers at middle and low latitudes in China被引量：2
《Chinese Science Bulletin》2014年第29期3868-3876,共9页Jing Jiao Guotao Yang Xu Zou Shaohua Gong Jihong Wang Dawei Tian Wenzhen Zhang Tiemin Zhang Xianchang Yang Jun Fu Xuewu Cheng 
supported by the National Natural Science Foundation of China (41264006,40905012 and 41174129);the Specialized Research Fund for State Key Laboratories of China;the data from the Chinese Meridian Project
Sporadic sodium layers(SSLs)were studied with sodium(Na)lidar at Beijing(40.5°N,116.0°E)and Haikou(19.5°N,109.1°E)in China.The altitude distribution,strength factors,and occurrence time of SSL and sporadic E(Es)la...
关键词：低纬度地区 钠层 中国 E层 分散 观测 发生时间 强度因子 
钠层密度翻转现象的激光雷达观测与研究
《大气与环境光学学报》2014年第3期179-187,共9页龚少华 刘正宽 田大伟 沈振江 孙书娟 羊大力 王林茂 林红 洪丽 刘汉军 
国家自然科学基金(41264006);中国博士后科学基金(20110490609);海南省自然科学基金(413127)资助
基于国家子午工程项目钠激光雷达的长期观测数据, 统计分析了北京和海南两地出现的钠层密度翻转现象，发现这种现象往往出现在钠层的下部，宽度在2~7 km范围，持续时间约为2~8 h。观测结果显示，钠层密度翻转结构的出现常伴随着大尺度...
关键词：钠激光雷达 密度翻转结构 重力波破碎 
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