Acta Photonica Sinica, Volume. 53, Issue 3, 0301001(2024)

Study on the Ultraviolet Radiation Environment and Influencing Factors in Near Space

Yuan AN1,2, Xianhua WANG1、*, Hanhan YE1, Hailiang SHI1, Shichao WU1, Chao LI1,2, and Erchang SUN1,2
Author Affiliations
  • 1Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
  • 2University of Science and Technology of China, Hefei 230026, China
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    Figures & Tables(17)
    Distributions of OH concentration in spring 2019
    Distributions of OH concentration in summer 2019
    Distributions of OH concentration in autumn 2019
    Distributions of OH concentration in winter 2019
    Distributions of O3 concentration in spring 2019
    Distributions of O3 concentration in summer 2019
    Distributions of O3 concentration in autumn 2019
    Distributions of O3 concentration in winter 2019
    The ultraviolet irradiance and change relationship in the North China region
    The ultraviolet irradiance and change relationship in the Central and South China region
    The ultraviolet irradiance and change relationship in the South China Sea region
    • Table 1. MERRA-2 subset used by GEOS-Chem

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      Table 1. MERRA-2 subset used by GEOS-Chem

      File nameCharacteristic parameters
      MERRA2.yyyymmdd.A1.2×25.nc4Various surface field information
      MERRA2.yyyymmdd.A3cld.2×25.nc4Cloud parameters
      MERRA2.yyyymmdd.A3dyn.2×25.nc4Dynamic field information
      MERRA2.yyyymmdd.A3mstC.2×25.nc4Precipitation and sublimation field information
      MERRA2.yyyymmdd.A3mstE.2×25.nc4Sedimentation and convective field information
      MERRA2.yyyymmdd.I3.2×25.nc4Pressure, temperature, humidity and other information
    • Table 2. OH concentration data of China region in 2019 (unit:×106 molecules·cm-3

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      Table 2. OH concentration data of China region in 2019 (unit:×106 molecules·cm-3

      Month

      Maximum

      value

      Minimum

      value

      Average

      value

      StandarddeviationConcentration range at maximum weight(based on 10 classes)
      January9.302.886.531.616.75~7.35
      February9.484.537.391.187.54~7.99
      March9.497.298.920.439.05~9.27
      April16.319.0711.071.659.80~10.51
      May11.029.1210.410.3610.63~10.79
      June11.558.9110.690.4910.75~11.02
      July11.428.9910.600.4110.45~10.69
      August10.179.309.970.1110.00~10.08
      September9.818.269.110.469.66~9.81
      October9.425.797.910.898.34~8.69
      November10.364.287.541.519.15~9.74
      December9.452.906.591.607.49~8.14
    • Table 3. O3 concentration data of China region in 2019 (×10-6

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      Table 3. O3 concentration data of China region in 2019 (×10-6

      Month

      Maximum

      value

      Minimum

      value

      Average

      value

      Standard

      deviation

      Concentration range at maximum weight based on 10 classes)
      January6.274.595.080.285.26~5.42
      February6.354.515.130.375.43~5.60
      March6.592.815.250.705.46~5.83
      April5.163.664.530.184.56~4.70
      May4.563.854.250.174.00~4.06
      June4.793.534.230.304.17~4.28
      July5.073.564.390.344.02~4.14
      August5.024.014.640.244.83~4.92
      September5.152.864.820.254.69~4.92
      October6.374.245.230.614.24~4.45
      November6.253.335.190.635.38~5.67
      December6.033.975.340.445.62~5.82
    • Table 4. The UVB irradiance at 42 km

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      Table 4. The UVB irradiance at 42 km

      Region

      Month

      North

      East

      North China

      North

      West

      East

      China

      Central and South China

      South

      West

      South China Sea
      January14.8314.8513.4116.0016.1514.5115.44
      February14.6014.6913.3816.0515.9714.4215.57
      March14.4114.7613.5515.4815.5514.4215.36
      April14.9515.1313.4615.7715.5113.8415.37
      May14.3114.4112.8415.4015.3613.9615.38
      June14.3914.7613.1715.7515.6914.2115.57
      July14.3414.7313.3815.7315.6914.2615.50
      August14.4114.6813.2115.8215.7714.2515.61
      September14.2814.4713.2715.8815.8514.4215.75
      October14.5814.7313.3615.6915.6614.3715.61
      November15.0315.3413.6615.4315.2714.2215.28
      December14.7714.8813.4215.7015.2214.2015.22
    • Table 5. The UVB irradiance at 32 km

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      Table 5. The UVB irradiance at 32 km

      Region

      Month

      North

      East

      North China

      North

      West

      East

      China

      Central and South China

      South

      West

      South China Sea
      January10.269.788.5110.8811.389.6710.01
      February9.659.408.4311.0410.919.4210.33
      March9.229.558.829.679.899.439.82
      April10.6310.518.6210.339.808.239.84
      May9.018.837.439.509.508.499.87
      June9.169.568.0310.2010.208.9510.30
      July9.069.498.4410.2310.209.0710.14
      August9.219.378.0810.4410.389.0510.40
      September8.928.948.2110.5810.599.4410.75
      October9.609.508.4010.1310.149.3010.39
      November10.8911.129.089.619.339.029.66
      December10.089.848.5210.169.958.939.52
    • Table 6. The UVB irradiance at 22 km

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      Table 6. The UVB irradiance at 22 km

      Region

      Month

      North

      East

      NorthChina

      North

      West

      East

      China

      Central and South China

      South

      West

      South China Sea
      January5.695.174.345.956.435.195.22
      February5.124.844.266.095.984.945.51
      March4.744.964.614.865.064.955.05
      April6.075.874.435.444.993.925.07
      May4.554.353.434.714.734.155.09
      June4.684.983.935.385.334.535.48
      July4.604.914.275.355.334.645.33
      August4.734.803.975.535.494.625.57
      September4.484.434.085.675.694.965.89
      October5.074.924.245.265.284.845.56
      November6.366.474.854.824.584.604.91
      December5.525.224.345.295.114.524.79
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    Yuan AN, Xianhua WANG, Hanhan YE, Hailiang SHI, Shichao WU, Chao LI, Erchang SUN. Study on the Ultraviolet Radiation Environment and Influencing Factors in Near Space[J]. Acta Photonica Sinica, 2024, 53(3): 0301001

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    Paper Information

    Category:

    Received: Aug. 16, 2023

    Accepted: Nov. 7, 2023

    Published Online: May. 16, 2024

    The Author Email: Xianhua WANG (xhwang@aiofm.ac.cn)

    DOI:10.3788/gzxb20245303.0301001

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