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Development of a Predictive Tool to Support Environmentally Sustainable Management in Port Basins

机译：开发支持港口盆地环境可持续管理的预测工具

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According to the Water Framework Directive, harbours that are classified as heavily modified water bodies must either reach or maintain good ecological potential. Moreover, following the marine spatial planning principles, the effects of port structure changes on water quality must also be considered. To support the sustainable management of harbour waters, we calculated flushing time (FT) through the use of a numerical model within the Civitavecchia port under different scenarios. To assess the effects of the realization of new infrastructure that will significantly alter the port configuration in the coming years, we also developed the flushing efficiency index (FEI). The increase in the harbour basin size due to the embankment extension result in high values of FT, particularly in the inner part of the port, in accordance with the highest values of the enrichment factor of the trace metals found in the sediment. The deterioration of water quality is confirmed by negative FEI values. Otherwise, the index assumes positive values after the realization of a second entrance in the southern part of Civitavecchia port, highlighting a drastic improvement in harbour water renewal. This study provides a low-cost and predictive tool to correctly address environmentally sustainable management of port activities.
机译：根据《水框架指令》，被归类为经过大量改造的水体的港口必须达到或保持良好的生态潜力。此外，遵循海洋空间规划原则，还必须考虑港口结构变化对水质的影响。为了支持港口水域的可持续管理，我们通过使用奇维塔韦基亚港口内不同情况下的数值模型来计算冲洗时间（FT）。为了评估在未来几年中将大大改变端口配置的新基础架构的实现效果，我们还开发了冲洗效率指数（FEI）。根据沉积物中微量金属富集系数的最大值，由于路堤的延伸，港口盆地面积的增加导致了较高的FT值，特别是在港口的内部。 FEI值为负可确认水质恶化。否则，该指数在奇维塔韦基亚港口南部的第二个入口实现后将采用正值，这突出说明了港口换水的显着改善。这项研究提供了一种低成本且可预测的工具，可以正确解决港口活动的环境可持续管理问题。

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