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首页> 外文期刊>Regional Environmental Change >Cost-effective nutrient reductions to coupled heterogeneous marine water basins: An application to the Baltic Sea
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Cost-effective nutrient reductions to coupled heterogeneous marine water basins: An application to the Baltic Sea

机译：具有成本效益的减少营养的方法，以减少耦合的非均质海洋流域：在波罗的海的应用

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摘要

In this paper, the role of nutrient transports between marine basins is investigated for cost-effective solutions to predetermined marine basin targets. The interdependent advective nutrient transports as well as retentions among the seven major marine basins of the Baltic Sea are described by input-output analysis. This is in contrast to prior economic studies of transboundary water pollution that include only direct transport between the basins. The analytical results show that the difference in impacts between transport specifications depends mainly on the 'openness' of the basins, that is, their transports with other basins. The application on Baltic Sea shows significant differences in costs and policy design between the nutrient transport specifications. The reason is that the Sea is characterized by long water and nutrient residence times, so relatively large part of nutrients are transported among basins.
机译：在本文中，研究了营养盐在海洋盆地之间的运输作用，以寻求经济有效的解决方案来实现预定的海洋盆地目标。通过投入产出分析描述了相互依存的对流养分运移以及波罗的海七个主要海盆之间的滞留。这与以前的跨界水污染经济学研究相反，后者仅包括流域之间的直接运输。分析结果表明，运输规范之间影响的差异主要取决于盆地的“开放性”，即它们与其他盆地的运输。在波罗的海的应用表明，营养素运输规范之间在成本和政策设计上存在重大差异。原因是大海的特征是水和养分的停留时间长，因此，大部分营养物质在盆地之间运输。

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