• Journal of Atmospheric and Environmental Optics
  • Vol. 19, Issue 4, 418 (2024)
LYU Weiyu, CHEN Depeng, HU Hao*, ZHANG Yukun..., QING Zexu, LI Yan, LIU Lihui, YAO Fei, CHEN Peilei and GUO Xin|Show fewer author(s)
Author Affiliations
  • The 27Th Institution, China Electronic Corporation, Zhengzhou 450047, China
  • show less
    DOI: 10.3969/j.issn.1673-6141.2024.04.003 Cite this Article
    Weiyu LYU, Depeng CHEN, Hao HU, Yukun ZHANG, Zexu QING, Yan LI, Lihui LIU, Fei YAO, Peilei CHEN, Xin GUO. Preliminary analysis on horizontal extinction coefficient in the main land areas of China based on optical engineering application[J]. Journal of Atmospheric and Environmental Optics, 2024, 19(4): 418 Copy Citation Text show less
    The distribution of horizontal extinction coefficient over China
    Fig. 1. The distribution of horizontal extinction coefficient over China
    The distribution of horizontal extinction coefficient in cold half year (a) and warm half year (b) over China
    Fig. 2. The distribution of horizontal extinction coefficient in cold half year (a) and warm half year (b) over China
    The distribution of ratio on horizontal extinction coefficient in warm and cold half year over China (a) andprobability distribution of horizontal extinction coefficient in warm to cold half year (b)
    Fig. 3. The distribution of ratio on horizontal extinction coefficient in warm and cold half year over China (a) andprobability distribution of horizontal extinction coefficient in warm to cold half year (b)
    Day distribution of horizontal extinction coefficient over China
    Fig. 4. Day distribution of horizontal extinction coefficient over China
    Night distribution of horizontal extinction coefficient over China
    Fig. 5. Night distribution of horizontal extinction coefficient over China
    Probability distribution of horizontal extinction coefficient of maximum (a) and minimum (b) in daytime
    Fig. 6. Probability distribution of horizontal extinction coefficient of maximum (a) and minimum (b) in daytime
    Probability distribution of horizontal extinction coefficient of maximum (a) and minimum (b) in nighttime
    Fig. 7. Probability distribution of horizontal extinction coefficient of maximum (a) and minimum (b) in nighttime
    National horizontal extinction coefficient classification
    Fig. 8. National horizontal extinction coefficient classification
    Observation areaNumber of stationsRecord numberObservation areaNumber of stationsRecord number
    50105342636955241231390
    511014056610562878421388
    528534622115751313009415
    533067726468583919909603
    5438810593737592146473433
    Table 1. The brief of national meteorological data on horizontal extinction coefficient
    Province (Autonomous region)Number of stations

    Number of ideal

    locations

    Province (Autonomous region)Number of stations

    Number of ideal

    locations

    内蒙古11970西藏3936
    甘肃8527四川16342
    新疆10334云南12631
    青海5143
    Table 2. The brief of ideal sites of key region

    Percentage of

    max and min

    values

    Cold half yearWarm half year
    123411125678910
    Max/%6.13.08.760.317.04.930.412.038.17.44.37.8
    Min/%38.37.616.57.16.726.811.26.717.45.011.648.1
    Table 3. The brief of monthly distribution on horizontal extinction coefficient of maximum and minimum in cold half year and warm half year
    LevelConditionEvaluation

    1

    2

    3

    4

    σ < 0.15

    0.15 ≤ σ < 0.3

    0.3 ≤ σ < 0.75

    σ ≥ 0.75

    Excellent

    Good

    Avgrage

    Poor

    Table 4. Correspondence table for regional level of horizontal extinction coefficient distribution
    Weiyu LYU, Depeng CHEN, Hao HU, Yukun ZHANG, Zexu QING, Yan LI, Lihui LIU, Fei YAO, Peilei CHEN, Xin GUO. Preliminary analysis on horizontal extinction coefficient in the main land areas of China based on optical engineering application[J]. Journal of Atmospheric and Environmental Optics, 2024, 19(4): 418
    Download Citation