海面溢油的紫外辐射特性 
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Ultraviolet Radiation Characteristic of Oil Spills on Sea Surface
1 中国科学院大学, 北京 100049
2 中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033
3 北京跟踪与通信技术研究所, 北京 100094
图 & 表
图 1. 清澈海水和油覆盖的海水的上升辐射模式
Fig. 1. Upwelling radiation modes of clear seawater and oily seawater
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图 2. 实验用蓄水池
Fig. 2. Experimental reservoir
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图 3. 测试系统示意图
Fig. 3. Schematic of practice system
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图 4. 不同太阳高度角与时角下对应的太阳方位角
Fig. 4. Solar azimuth corresponding to different solar altitude angles and time angles
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图 5. 不同波长下不同油种上升辐射强度的平均值。(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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图 6. 不同波长下溢油-海水对比度。(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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表 1不同油种及其特点
Table1. Different oils and their characteristics
| Oil | Density /(g·mL-1) | Appearance | Volatility | Remark |
|---|
| Crude oil | 0.78--0.97 | Dark brown with green fluorescence, high viscosity | Nonvolatile | Two more quantity | | Dead oil | 0.82--0.95 | Furvous, high viscosity | Nonvolatile | Two more quantity | | Diesel oil | 0.83--0.85 | Transparent green | Volatile | Be replenished in experiment | | Palm oil | 0.87--0.90 | Semisolid at room temperature | Nonvolatile | Disperse over water | | Gasoline | 0.70--0.78 | Transparent yellow | Easy to volatilize | Replenish in experiment |
|
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表 2不同时间各波段的太阳高度角
Table2. Solar altitude angle of each wavelength under different time
| Measurement No. | Measure time | 290 nm | 320 nm | 355 nm |
|---|
| 1 | 11:05--11:10 | 58.86° | 59.12° | 59.30° | | 2 | 11:40--12:02 | 61.13° | 61.29° | 61.49° | | 3 | 12:11--12:14 | 61.38° | 61.34° | 61.31° | | 4 | 12:51--12:56 | 59.21° | 59.04° | 58.76° | | 5 | 13:20--13:27 | 56.16° | 55.79° | 55.28° | | 6 | 14:19--14:24 | 47.43° | 46.92° | 46.58° | | 7 | 14:51--14:55 | 41.81° | 41.45° | 41.09° | | 8 | 15:21--15:25 | 36.23° | 35.85° | 35.47° | | 9 | 15:53--15:57 | 30.04° | 29.65° | 29.26° | | 10 | 16:19--16:23 | 24.91° | 24.51° | 24.11° |
|
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李羿轩, 李博, 林冠宇, 黄煜, 杨迪, 马岩. 海面溢油的紫外辐射特性[J]. 光学学报, 2020, 40(8): 0801001. 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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