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Acta Optica Sinica, Volume. 40, Issue 8, 0801001(2020)

Ultraviolet Radiation Characteristic of Oil Spills on Sea Surface

Yixuan Li1,2, Bo Li2、*, Guanyu Lin2, Yu Huang2, Di Yang3、**, and Yan Ma3
Author Affiliations
  • 1University of Chinese Academy of Sciences, Beijing 100049, China
  • 2Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 3Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (26)
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    Figures & Tables(8)
    Upwelling radiation modes of clear seawater and oily seawater

    Fig. 1. Upwelling radiation modes of clear seawater and oily seawater

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    Experimental reservoir

    Fig. 2. Experimental reservoir

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    Schematic of practice system

    Fig. 3. Schematic of practice system

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    Solar azimuth corresponding to different solar altitude angles and time angles

    Fig. 4. Solar azimuth corresponding to different solar altitude angles and time angles

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    Average value of upwelling radiation intensity of different oils under different wavelengths. (a) 355 nm; (b) 320 nm; (c) 290 nm

    Fig. 5. Average value of upwelling radiation intensity of different oils under different wavelengths. (a) 355 nm; (b) 320 nm; (c) 290 nm

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    Contrast of oil spill and seawater under different wavelengths. (a) 355 nm; (b) 320 nm; (c) 290 nm

    Fig. 6. Contrast of oil spill and seawater under different wavelengths. (a) 355 nm; (b) 320 nm; (c) 290 nm

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    • Table 1. Different oils and their characteristics

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      Table 1. Different oils and their characteristics

      OilDensity /(g·mL-1)AppearanceVolatilityRemark
      Crude oil0.78--0.97Dark brown with green fluorescence, high viscosityNonvolatileTwo more quantity
      Dead oil0.82--0.95Furvous, high viscosityNonvolatileTwo more quantity
      Diesel oil0.83--0.85Transparent greenVolatileBe replenished in experiment
      Palm oil0.87--0.90Semisolid at room temperatureNonvolatileDisperse over water
      Gasoline0.70--0.78Transparent yellowEasy to volatilizeReplenish in experiment

    • Table 2. Solar altitude angle of each wavelength under different time

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      Table 2. Solar altitude angle of each wavelength under different time

      Measurement No.Measure time290 nm320 nm355 nm
      111:05--11:1058.86°59.12°59.30°
      211:40--12:0261.13°61.29°61.49°
      312:11--12:1461.38°61.34°61.31°
      412:51--12:5659.21°59.04°58.76°
      513:20--13:2756.16°55.79°55.28°
      614:19--14:2447.43°46.92°46.58°
      714:51--14:5541.81°41.45°41.09°
      815:21--15:2536.23°35.85°35.47°
      915:53--15:5730.04°29.65°29.26°
      1016:19--16:2324.91°24.51°24.11°
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    Yixuan Li, Bo Li, Guanyu Lin, Yu Huang, Di Yang, Yan Ma. Ultraviolet Radiation Characteristic of Oil Spills on Sea Surface[J]. Acta Optica Sinica, 2020, 40(8): 0801001

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Nov. 12, 2019

    Accepted: Jan. 9, 2020

    Published Online: Apr. 13, 2020

    The Author Email: Li Bo (libo0008429@163.com), Yang Di (guangxuesheji@sina.com)

    DOI:10.3788/AOS202040.0801001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology