Laser & Optoelectronics Progress, Volume. 60, Issue 9, 0901002(2023)

Influence of Dispersed Oil on Diffuse Attenuation Coefficient of Downwelling Irradiance

Junjie Yang1, Miaofen Huang2、*, Xufeng Xing2, and Zhonglin Wang2
Author Affiliations
  • 1School of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
  • 2School of Mathematics and Computer Science, Guangdong Ocean University, Zhanjiang 524088, Guangdong, China
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    Figures & Tables(6)
    Diffuse attenuation coefficient spectra for downwelling irradiance (kd) in waters of different depths versus mass concentrations of waters polluted by dispersed oil. (a) 0.005 m; (b) 10.205 m; (c) 20.405 m; (d) 30.005 m; (e) 40.205 m; (f) 49.995 m
    Diffuse attenuation coefficient for downwelling irradiance (kd) in waters polluted by different mass concentrations of dispersed oil versus water depth. (a) 0.1 mg/m3; (b) 1.0 mg/m3; (c) 5.0 mg/m3; (d) 10.0 mg/m3
    Relative error between downwelling irradiance (Ed) retrieved from semi-analytical model and Ed simulated by Hydrolight in each water depth polluted by different mass concentrations of dispersed oil. (a) 0.1 mg/m3; (b) 1.0 mg/m3; (c) 5.0 mg/m3; (d) 10.0 mg/m3
    • Table 1. Locations of three sampling sites

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      Table 1. Locations of three sampling sites

      Name of stationLongitude(N)Latitude(E)
      St. A121.89705°38.9541°
      St. B121.92833°38.9700°
      St. C121.85118°38.9056°
    • Table 2. Asymptotic kd values (k) of waters polluted by various mass concentrations of dispersed oil and their approaching depths

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      Table 2. Asymptotic kd values (k) of waters polluted by various mass concentrations of dispersed oil and their approaching depths

      Mass concentration of dispersed oil /(mg·m-3Wavelength /nmk /m-1Depth of approaching k /m
      0.1442.50.0140
      557.50.0680
      677.50.4660
      1.0442.50.04530
      557.50.10430
      677.50.5200
      5.0442.50.18820
      557.50.25220
      677.50.69820
      10.0442.50.36310
      557.50.42810
      677.50.89110
    • Table 3. Parameters of semi-analytical model for a few wavebands

      View table

      Table 3. Parameters of semi-analytical model for a few wavebands

      Depth /mm0m1m2m3
      442.5 nm557.5 nm677.5 nm
      0.0051.128,0.943,-0.046,35.4861.031,1.498,-0.067,14.8521.026,1.499,-0.140,5.795
      0.6051.111,3.993,0.749,1.4281.029,5.736,0.738,0.8801.024,5.582,0.818,0.945
      1.2051.105,4.315,0.770,2.5021.026,5.458,0.732,1.8991.022,6.311,0.943,1.563
      1.8051.100,4.573,0.786,3.3761.023,5.651,0.747,2.6751.020,6.651,1.089,2.229
      2.4051.097,4.769,0.798,4.1341.021,5.804,0.761,3.3951.018,6.837,1.326,3.046
      3.0051.095,4.903,0.806,4.8601.019,5.926,0.772,4.0821.016,6.978,1.757,4.067
      3.6051.092,5.000,0.813,5.5621.017,5.997,0.784,4.8061.015,7.116,2.562,5.310
      4.2051.090,5.072,0.818,6.2571.015,6.043,0.798,5.5691.013,7.256,4.386,6.915
      4.8051.087,5.126,0.823,6.9321.013,6.081,0.812,6.3381.012,7.395,10.184,9.195
      5.4051.084,5.169,0.827,7.6331.011,6.104,0.830,7.1681.011,7.544,38.028,12.495
      6.0051.080,5.207,0.830,8.3281.010,6.127,0.849,8.0111.010,7.699,406.955,18.013
      6.6051.075,5.244,0.832,9.0511.009,6.139,0.876,8.9351.010,7.852,65002.984,29.085
      7.2051.069,5.278,0.834,9.7621.007,6.151,0.905,9.8961.006,0.459,-17.031,0.044
      7.8051.062,5.318,0.836,10.4921.006,6.160,0.943,10.9321.006,0.035,-255.479,0.160
      8.4051.056,5.358,0.837,11.2161.005,6.171,0.986,12.0051.005,0.013,-783.311,0.273
      9.0051.048,5.399,0.838,11.9341.004,6.180,1.036,13.1371.004,0.006,-1783.282,0.383
      9.6051.040,5.445,0.839,12.6591.004,6.189,1.097,14.3481.003,0.004,-2871.691,0.488
      10.2051.032,5.491,0.840,13.3721.003,6.198,1.168,15.6121.003,0.002,-5033.093,0.590
      10.8051.024,5.537,0.841,14.0801.003,6.207,1.254,16.9541.002,0.002,-6944.489,0.686
      11.4051.017,5.578,0.843,14.7691.003,6.213,1.359,18.4021.001,0.001,-10342.645,0.778
      12.0051.007,5.633,0.843,15.4601.003,6.217,1.491,19.9521.001,0.001,-12530.219,0.865
      12.6051.000,5.677,0.844,16.1321.003,6.220,1.653,21.6121.001,0.001,-17547.324,0.947
      13.2050.993,5.714,0.846,16.7801.004,6.220,1.851,23.3661.000,0.001,-23071.212,1.025
      13.8050.988,5.744,0.848,17.4011.005,6.216,2.115,25.2881.000,0.001,-26202.295,1.099
      14.4050.981,5.779,0.849,18.0211.006,6.210,2.435,27.2811.000,0.001,-26806.012,1.168
      15.0050.977,5.806,0.851,18.6181.008,6.198,2.853,29.4200.999,0.001,-21462.481,1.232
      15.6050.973,5.825,0.853,19.1971.010,6.182,3.382,31.6320.999,0.252,-80.400,1.329
      16.2050.972,5.828,0.856,19.7371.014,6.159,4.079,33.9520.999,2.994,-7.000,1.967
      16.8050.970,5.837,0.859,20.2811.018,6.129,4.967,36.3070.998,4.315,-5.515,2.553
      17.4050.971,5.822,0.862,20.7821.022,6.094,6.084,38.6720.998,5.152,-5.499,3.129
      18.0050.972,5.815,0.865,21.2910.918,0.248,-27.907,0.0700.998,5.675,-5.998,3.639
      18.6050.975,5.790,0.869,21.7630.917,0.092,-78.276,0.1170.997,6.060,-6.804,4.126
      19.2050.980,5.753,0.873,22.2170.916,0.049,-149.062,0.1610.997,6.372,-7.922,4.610
      19.8050.985,5.714,0.878,22.6610.915,0.029,-254.125,0.2020.996,6.600,-9.249,5.042
      20.4050.992,5.665,0.882,23.0860.915,0.020,-367.558,0.2410.996,6.791,-10.855,5.459
      21.0051.000,5.607,0.888,23.4960.914,0.014,-524.200,0.2780.996,6.943,-12.674,5.839
      21.6051.009,5.542,0.893,23.8910.914,0.012,-628.038,0.3120.996,7.080,-14.850,6.216
      22.2052.620,-5.321,1.360,163.7290.914,0.010,-806.768,0.3450.995,7.204,-17.458,6.591
      22.8052.594,-5.141,1.415,170.4650.913,0.008,-1007.483,0.3760.995,7.309,-20.397,6.943
      23.4051.832,0,-134415.617,20.9630.923,7.323,0,-106.5400.995,7.398,-23.631,7.267
      24.0051.057,5.210,0.919,25.3610.913,0.006,-1298.363,0.4310.995,7.481,-27.427,7.592
      24.6052.252,-476.463,0.994,-0.0020.913,0.005,-1618.408,0.4580.994,7.56,-31.853,7.915
      25.2052.253,0.009,322.657,0.3170.913,0.005,-1751.022,0.4820.994,7.627,-36.619,8.211
      25.8052.261,-289.650,0.989,-0.0030.913,0.004,-1964.724,0.5050.994,7.690,-42.084,8.505
      26.4051.117,4.799,0.953,26.6960.913,0.004,-1849.527,0.5260.994,7.744,-47.841,8.773
      27.0052.266,0.031,98.092,0.1750.914,0.004,-1838.475,0.5460.993,7.797,-54.501,9.045
      27.6051.152,4.563,0.973,27.3160.914,0.004,-1934.854,0.5650.993,7.843,-61.382,9.290
      28.2051.169,4.443,0.984,27.6260.914,0.004,-1933.648,0.5830.993,7.886,-69.199,9.537
      28.8051.187,4.321,0.996,27.9380.914,0.005,-1701.013,0.6000.993,7.929,-77.938,9.781
      29.4051.204,4.207,1.007,28.2510.915,0.005,-1593.535,0.6160.993,7.966,-87.038,10.006
      30.0051.222,4.085,1.020,28.5550.915,0.007,-1147.311,0.6320.993,8.000,-96.821,10.222
      30.6051.239,3.968,1.033,28.8600.916,0.018,-464.077,0.6470.992,8.033,-107.480,10.434
      31.2051.258,3.840,1.048,29.1570.916,2.276,-2.679,0.9560.992,8.062,-118.453,10.630
      31.8051.277,3.711,1.064,29.4680.914,4.756,-0.790,1.9060.992,8.090,-130.216,10.821
      32.4051.296,3.584,1.080,29.7650.913,5.499,-0.572,2.7100.992,8.118,-143.423,11.016
      33.0051.313,3.465,1.097,30.0760.912,5.924,-0.486,3.5520.992,8.144,-156.925,11.198
      33.6051.332,3.340,1.115,30.3900.911,6.153,-0.454,4.2560.992,8.167,-171.339,11.373
      34.2051.350,3.218,1.135,30.7030.910,6.307,-0.442,4.8990.992,8.189,-186.123,11.540
      34.8051.367,3.103,1.155,31.0300.909,6.431,-0.440,5.5490.992,8.211,-202.457,11.708
      35.4051.383,2.991,1.175,31.3560.908,6.522,-0.445,6.1330.991,8.230,-218.796,11.863
      36.0051.829,0,-173647.528,33.0650.907,6.592,-0.454,6.6610.991,8.249,-236.164,12.016
      36.6051.418,2.755,1.224,32.0160.905,6.655,-0.466,7.1990.991,8.266,-253.444,12.156
      37.2051.434,2.645,1.249,32.3580.904,6.699,-0.479,7.6260.991,8.283,-271.844,12.296
      37.8051.450,2.537,1.276,32.6950.903,6.744,-0.495,8.0910.991,8.298,-290.730,12.430
      38.4051.468,2.420,1.308,33.0430.902,6.782,-0.512,8.5210.991,8.314,-310.979,12.564
      39.0051.482,2.325,1.337,33.4070.901,6.817,-0.530,8.9380.991,8.328,-331.125,12.689
      39.6051.497,2.220,1.371,33.7820.900,6.847,-0.549,9.3100.991,8.341,-352.283,12.813
      40.2051.513,2.117,1.407,34.1530.899,6.874,-0.568,9.6760.991,8.353,-372.199,12.921
      40.8051.527,2.018,1.446,34.5420.898,6.902,-0.588,10.0500.991,8.366,-396.156,13.046
      41.4051.541,1.927,1.485,34.9390.897,6.923,-0.607,10.3490.991,8.377,-418.365,13.154
      42.0051.554,1.834,1.529,35.3360.897,6.945,-0.627,10.6690.991,8.389,-443.147,13.269
      42.6051.567,1.748,1.574,35.7430.896,6.967,-0.649,10.9990.991,8.399,-465.928,13.368
      43.2051.579,1.667,1.619,36.1600.895,6.985,-0.669,11.2790.991,8.409,-489.269,13.466
      43.8051.591,1.591,1.668,36.5940.894,7.001,-0.689,11.5400.991,8.419,-515.459,13.569
      44.4051.604,1.499,1.731,37.0300.893,7.018,-0.710,11.8090.991,8.427,-538.200,13.655
      45.0051.614,1.433,1.783,37.4860.892,7.035,-0.731,12.0760.991,8.436,-563.885,13.748
      45.6051.626,1.350,1.854,37.9530.891,7.048,-0.751,12.3000.991,8.444,-588.393,13.832
      46.2051.635,1.288,1.912,38.4110.891,7.061,-0.771,12.5220.991,8.452,-613.062,13.914
      46.8051.646,1.215,1.990,38.9020.890,7.077,-0.794,12.7750.990,8.459,-637.643,13.992
      47.4051.657,1.141,2.079,39.3910.889,7.089,-0.814,12.9930.990,8.467,-666.276,14.080
      48.0051.665,1.091,2.145,39.8810.888,7.101,-0.834,13.1940.990,8.474,-692.960,14.158
      48.6052.219,-2.398,-0.024,-7.0730.888,7.113,-0.855,13.4060.990,8.479,-716.417,14.224
      49.2051.683,0.969,2.337,40.9280.887,7.124,-0.876,13.6060.990,8.486,-745.198,14.303
      49.8051.689,0.925,2.419,41.4220.887,7.133,-0.893,13.7650.990,8.492,-772.592,14.375
      49.9951.693,0.902,2.465,41.6000.886,7.137,-0.901,13.8380.990,8.494,-780.400,14.395
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    Junjie Yang, Miaofen Huang, Xufeng Xing, Zhonglin Wang. Influence of Dispersed Oil on Diffuse Attenuation Coefficient of Downwelling Irradiance[J]. Laser & Optoelectronics Progress, 2023, 60(9): 0901002

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Mar. 22, 2022

    Accepted: May. 16, 2022

    Published Online: Apr. 24, 2023

    The Author Email: Huang Miaofen (huangmf@gdou.edu.cn)

    DOI:10.3788/LOP221391

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