• Spectroscopy and Spectral Analysis
  • Vol. 41, Issue 12, 3892 (2021)
Qian WANG, Gelsor Norsang*;, Wangmu Tsoja, Tunzhup Lagba, Dopwang Pu, Juan LIU, Yi ZHOU, and Xi ZE
Author Affiliations
  • Solar UV Lab, Tibet University, Lhasa 850000, China
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    DOI: 10.3964/j.issn.1000-0593(2021)12-3892-09 Cite this Article
    Qian WANG, Gelsor Norsang, Wangmu Tsoja, Tunzhup Lagba, Dopwang Pu, Juan LIU, Yi ZHOU, Xi ZE. Solar Radiation Observation During a Solar Eclipse in Tibet[J]. Spectroscopy and Spectral Analysis, 2021, 41(12): 3892 Copy Citation Text show less
    Real sky pictures of the Lhasa solar eclipse on June 21, 2020, in Lhasa, Tibet
    Fig. 1. Real sky pictures of the Lhasa solar eclipse on June 21, 2020, in Lhasa, Tibet
    Real sky pictures of the golden edge annular eclipse on June 21, 2020, in Ngari, Tibet
    Fig. 2. Real sky pictures of the golden edge annular eclipse on June 21, 2020, in Ngari, Tibet
    (a) Lhasa spectrometers; (b) Lhasa Pyranometer; (c) Ngari observation site
    Fig. 3. (a) Lhasa spectrometers; (b) Lhasa Pyranometer; (c) Ngari observation site
    Three dimensional spectral characteristics for the solar eclipse on June 21, 2020 in Singgekapap, Ngari, Tibet
    Fig. 4. Three dimensional spectral characteristics for the solar eclipse on June 21, 2020 in Singgekapap, Ngari, Tibet
    Three dimensional spectral characteristics for clear sky on June 22, 2020 in Singgekapap, Ngari, Tibet
    Fig. 5. Three dimensional spectral characteristics for clear sky on June 22, 2020 in Singgekapap, Ngari, Tibet
    Three dimensional spectral characteristics of the solar eclipse on June 21, 2020 in Lhasa
    Fig. 6. Three dimensional spectral characteristics of the solar eclipse on June 21, 2020 in Lhasa
    Three dimensional spectral features of quasi-clear sky on June 26, 2020 in Lhasa
    Fig. 7. Three dimensional spectral features of quasi-clear sky on June 26, 2020 in Lhasa
    Spectral variation during the annular eclipse in Ngari
    Fig. 8. Spectral variation during the annular eclipse in Ngari
    Spectral features during annular solar eclipse in Lhasa
    Fig. 9. Spectral features during annular solar eclipse in Lhasa
    Global solar irradiance for the annular eclipse in Ngari
    Fig. 10. Global solar irradiance for the annular eclipse in Ngari
    Global solar irradiance for the annular eclipse in Lhasa
    Fig. 11. Global solar irradiance for the annular eclipse in Lhasa
    Solar UVB for the solar eclipse in Lhasa
    Fig. 12. Solar UVB for the solar eclipse in Lhasa
    SiteLocal
    noon
    Altitude
    /m
    Longitude/
    latitude
    Magnitude
    of eclipse
    First
    contact
    phase
    Maximum
    phase
    Last
    contact
    phase
    Duration
    of the
    eclipse
    Weather
    Gnari14:414 30080°5'45″E
    32°30'22″N
    0.99513:00:5914:44:1416:28:2503:27:26Partial clouds
    Lhasa13:573 68591°10'40″E
    29°38'48″N
    0.95313:26:4415:13:0916:50:4203:23:58Partial clouds
    Table 1. Information of the solar eclipse on June 21, 2020 and its observation sites in Tibet
    日食过程波长
    /nm
    单色光强峰值
    /(mW·m-2)
    初亏(13:01)1 669.234
    食甚(14:41)476.1361.936
    复圆(16:28)1 522.388
    Table 2. Peak variations of the strongest monochromatic light for the solar eclipse in Ngari
    日食过程波长
    /nm
    单色光强峰值
    /(mW·m-2)
    初亏(13:27)1 563.876
    食甚(15:13)476.6126.391
    复圆(16:51)735.191
    Table 3. Peak variations of the strongest monochromatic light for the solar eclipse in Lhasa
    Qian WANG, Gelsor Norsang, Wangmu Tsoja, Tunzhup Lagba, Dopwang Pu, Juan LIU, Yi ZHOU, Xi ZE. Solar Radiation Observation During a Solar Eclipse in Tibet[J]. Spectroscopy and Spectral Analysis, 2021, 41(12): 3892
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