Observation of the double sodium layer over Haikou,China by Lidar |
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| ZHANG Tiemin, WANG Jihong, FU Jun, YANG Dali, YANG Xianchang, WU Wei, YANG Guotao. Observation of the double sodium layer over Haikou, China by Lidar[J]. Chinese Journal of Space Science, 2013, 33(4): 410-412. doi: 10.11728/cjss2013.04.410 |
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| Authors: | ZHANG Tiemin WANG Jihong FU Jun YANG Dali YANG Xianchang WU Wei YANG Guotao |
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| Affiliation: | 1. College of Physics and Electronic Engineering, Hainan Normal University, Haikou 571158;;2. State Key Laboratory of Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190 |
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| Abstract: | A Double Sodium Layer (DSL) structure was observed during the night of August 22, 2011 over Haikou, China (20°N, 110°E) by Na lidar. This DSL comprised a typical sodium layer at altitudes of 80~105km and a higher sodium layer at altitudes of 105~115km in about 0.5 h. A wavelength of 589nm dye laser pumped by a Nd: YAG laser was used to make the measurement. The backscattered fluorescence photons from the sodium layer were collected by a telescope with a primary mirror of 1000mm in diameter. The sodium density of these layers during the nighttime observation in the Mesosphere and Lower-Thermosphere (MLT) was studied. |
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| Keywords: | Lidar Double Sodium Layer (DSL) Mesosphere and Lower-Thermosphere (MLT) |
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