| Site-testing at Muztagh-ata site Ⅲ:temperature inversion in surface-layer atmosphere |
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| 作者姓名： | Jing Xu Ali Esamdin Guo-Jie Feng Guang-Xin Pu Yi Hu Ke-Liang Hu Xu Yang Jin-Xin Hao Yan-Jie Xue Xu Zhou Shu-Guo Ma Abudusaimaitijiang Yisikandee Le-Tian Wang Xuan Zhang Chun-Hai Bai Peng Wei Liang Ming Lu Ma Jin-Zhong Liu Yun-Ying Jiang |
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| 作者单位： | Xinjiang Astronomical Observatory;University of Chinese Academy of Sciences;National Astronomical Observatories |
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| 基金项目： | supported by the National Natural Science Foundation of China(Grant Nos.11873081 and 11803076);the Operation,Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments,budgeted from the Ministry of Finance of China(MOF)and administered by the Chinese Academy of Sciences(CAS)。 |
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| 摘 要： | In this article,we present detailed seasonal,monthly and daily statistics of temperature difference in the surface layer at the Muztagh-ata site based on the temperature measurements at two heights of 2 m and6 m.We find that temperature inversion occurs frequently at our site during nighttime,especially during the cold season.Strong temperature inversion always represents stable atmospheric turbulence,which is crucial for an optical observatory.By analyzing the behavior of temperature inversion and its correlation with wind and cloud amount,one conclusion can be made that radiation inversion is the main reason for the existence of temperature inversion in the surface-layer at the Muztagh-ata site.
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| 关 键 词： | SITE testing atmospheric turbulence temperature inversion |
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