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首页> 外文期刊>Journal of Environmental Engineering >Ocean-outfall mixing zone delineation using Doppler radar
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Ocean-outfall mixing zone delineation using Doppler radar

机译：利用多普勒雷达描绘海洋出海混合区

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摘要

A methodology has been developed to use data collected by ocean surface current radar (OSCR) systems to predict the fate and transport of pollutants released from ocean outfalls. The proposed OSCR-based transport model was validated at the Miami Central-District (MCD) outfall using data collected during the Southeast Florida Outfall Experiment II (SEFLOE II). A comparison between the measured dye concentration versus distance from the outfall and the predictions of the OSCR-based transport model showed good agreement. A second validation test of the OSCR-based transport model compared the growth of variance versus time and diffusion coefficient versus length scale with the conventional Okubo diagrams for instantaneous tracer releases. This comparison indicated that the mixing characteristics simulated explicitly by the OSCR-based transport model are in good agreement with field measurements in the coastal ocean. Mixing zones based on worst-case and probabilistic criteria were delineated using the OSCR-based model. The results indicate that an OSCR-based transport model is a significant improvement over conventional models that are used to delineate mixing zones surrounding ocean outfalls with surfacing plumes. This claim is strongly supported by the field data collected during the SEFLOE II study in south Florida.
机译：已经开发出一种方法来使用海面海流雷达（OSCR）系统收集的数据来预测海洋排污口释放的污染物的命运和迁移。提议的基于OSCR的运输模型已使用在佛罗里达州东南部排放实验II（SEFLOE II）期间收集的数据在迈阿密中区（MCD）排放口进行了验证。测得的染料浓度与到排污口的距离之间的比较以及基于OSCR的运输模型的预测显示出很好的一致性。基于OSCR的运输模型的第二个验证测试使用瞬时示踪剂释放的传统Okubo图，比较了方差随时间的增长以及扩散系数随长度的增长。这种比较表明，基于OSCR的运输模型明确模拟的混合特性与沿海海洋的实地测量非常吻合。使用基于OSCR的模型描绘了基于最坏情况和概率标准的混合区域。结果表明，基于OSCR的运输模型是对传统模型的显着改进，传统模型用于描述海洋排污口周围混合羽状带的混合区域。 SEFLOE II在佛罗里达州南部进行的研究期间收集的现场数据强烈支持这一说法。

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