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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >Modeling the impact of tidal flows on the biological productivity of the Alboran Sea
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Modeling the impact of tidal flows on the biological productivity of the Alboran Sea

机译：模拟潮汐流对阿尔伯兰海生物生产力的影响

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摘要

The control of phytoplankton production by tidal forcing in the Alboran Sea is investigated with a high-resolution ocean circulation model coupled to an ecosystem model. The aim of the modeling efforts was to elucidate the role of tides in sustaining the high biological productivity of the Alboran Sea, as compared with the rest of the Mediterranean subbasins. It is shown that tidal forcing accounts for an increase of phytoplankton biomass and primary productivity in the basin of about 40% with respect to a nontidal circulation, and about 60% in the western Alboran Sea alone. The tidal dynamics of the Strait of Gibraltar is shown to be the primary factor in determining the enhancement of productivity, pumping nutrients from depth to the photic zone in the Alboran Sea. Model results indicate that the biological implications of the propagating internal tides are small. These results imply that nutrient transports through the Strait of Gibraltar have to be parametrized in ocean models that do not resolve tides in order to properly represent the biochemical budgets of the Alboran Sea.
机译：通过高分辨率海洋环流模型和生态系统模型研究了阿尔伯兰海中潮汐强迫对浮游植物生产的控制。与地中海其他盆地相比，模拟工作的目的是阐明潮汐在维持阿尔伯兰海高生物生产力中的作用。结果表明，潮汐强迫导致流域浮游植物生物量和初级生产力的增加，相对于非潮汐环流，增加了约40％，仅在西部阿尔伯兰海，增加了约60％。已显示直布罗陀海峡的潮汐动力学是决定生产力提高的主要因素，它是将营养物从深处输送到阿尔伯兰海的光学区。模型结果表明，传播的内潮对生物学的影响很小。这些结果表明，必须在不能解析潮汐的海洋模型中对通过直布罗陀海峡的营养运输进行参数化，才能正确地代表阿尔伯兰海的生化预算。

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