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Numerical Study on Initial Field of Pollution in the Bohai Sea with an Adjoint Method

机译：渤海污染初始场的伴随法数值研究。

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摘要

Based on the simulation of a marine ecosystem dynamical model in the Bohai Sea, routine monitoring data are assimilated to study the initial field of pollution by using the adjoint method. In order to reduce variables that need to be optimized and make the simulation results more reasonable, an independent grid is selected every four grids both in longitude and latitude, and only the pollutant concentrations of these independent grids needed to be optimized while the other grids were calculated by interpolation method. Based on this method, the stability and reliability of this model were proved by a set of twin experiments. Therefore, this model could be applied in real experiment to simulate the initial field of the total nitrogen (totalN) in May, 2009. Moreover, the distribution of totalN in any time step could be calculated by this model, and the monthly mean distribution in May in the Bohai Sea could be obtained.
机译：在对渤海海洋生态系统动力学模型进行仿真的基础上，采用常规监测数据，采用伴随法研究污染的初始场。为了减少需要优化的变量并使仿真结果更合理，在经度和纬度上每四个网格选择一个独立的网格，并且只需要优化这些独立网格的污染物浓度，而其他网格则需要优化。通过插值法计算。基于该方法，通过一系列双实验证明了该模型的稳定性和可靠性。因此，该模型可用于实际实验中，模拟2009年5月的总氮（totalN）的初始场。此外，该模型可以计算任何时间步长的总氮分布，并以月平均分布为例。可以在渤海获得五月。

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  • 来源
    《Mathematical Problems in Engineering》 |2013年第7期|104591.1-104591.10|共10页
  • 作者

    Chunhui Wang; Xiaoyan Li; Xianqing Lv;

  • 作者单位

    Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China,Key Laboratory of Marine Spill Oil Identification and Damage Assessment Technology, The Organization of North China SeaMonitoring Center, Qingdao 266033, China;

    Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China,Institute of Oceanology, Chinese Academy of Science, Qingdao 266071, China;

    Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China;

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