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MODELING OF THE BLACK-SEA ECOSYSTEM

机译:黑海生态系统建模

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摘要

We study the seasonal variability of the Black-Sea ecosystem by using a three-dimensional phys-ical-biogeochemical model. Its physical part is a model of circulation in the Black Sea with high spatial resolution capable of the description of both large-scale circulation in the basin and meso-scale eddies. The ecological module of the model is based on a version of the already applied one-dimensional model generalized to the three-dimensional case and includes two components of phytoplankton, two groups of zooplankton of different sizes, bacteria, dissolved and suspended organic substances, jointly described nitrates and nitrites, and ammonium. The application of the eddy-resolving model as the basic model of circulation in the Black Sea enable us to qualitatively reproduce the processes of vertical entrainment of deep-sea waters rich in biogenic elements into the upper layer and transfrontal transport of the coastal waters into the open part of the sea. Our numerical experiments also demonstrate that this model realistically reproduces the seasonal dynamics of the distribution of phytoplankton in the Black Sea. In addition, the model reproduces the space structure of the biogeochemical variables of state correlated with the meso-scale features of circulation.
机译:我们通过使用三维物理生物地球化学模型研究了黑海生态系统的季节性变化。它的物理部分是黑海环流的模型,具有很高的空间分辨率,能够描述盆地中的大规模环流和中尺度涡旋。该模型的生态模块基于已应用于一维模型的一维模型的版本,该模型包含浮游植物的两个组成部分,两组不同大小的浮游动物,细菌,溶解和悬浮的有机物质,共同描述了硝酸盐,亚硝酸盐和铵盐。涡旋解析模型作为黑海环流的基本模型的应用,使我们能够定性地重现垂直向深水带入生物成分的深层水的垂直夹带过程,以及沿海水体的跨界运输。打开大海的一部分。我们的数值实验还表明,该模型真实地再现了黑海中浮游植物分布的季节动态。另外,该模型再现了与循环的中尺度特征相关的状态生物地球化学变量的空间结构。

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  • 来源
    《Physical Oceanography》 |2007年第3期|54-65|共12页
  • 作者单位

    Institute of Marine Sciences of the Near-East Technical University, Erdemli, Turkey;

    Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol;

    Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol;

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