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

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  • Chunhui Wang
  • Xiaoyan Li
  • Xianqing Lv

Abstract

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.

Suggested Citation

  • Chunhui Wang & Xiaoyan Li & Xianqing Lv, 2013. "Numerical Study on Initial Field of Pollution in the Bohai Sea with an Adjoint Method," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-10, June.
    • Handle: RePEc:hin:jnlmpe:104591
    DOI: 10.1155/2013/104591
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    Cited by:

    1. Quanxin Zheng & Xiaona Li & Xianqing Lv, 2019. "Application of Dynamically Constrained Interpolation Methodology to the Surface Nitrogen Concentration in the Bohai Sea," IJERPH, MDPI, vol. 16(13), pages 1-14, July.

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