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Application of the Spline Interpolation in Simulating the Distribution of Phytoplankton in a Marine NPZD Type Ecosystem Model

Author

Listed:
  • Xiaona Li

    (Department of Physical Oceanography, College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao 266100, China
    Qingdao National Laboratory for Marine Science and Technology, Qingdao 266100, China)

  • Quanxin Zheng

    (Department of Physical Oceanography, College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao 266100, China
    Qingdao National Laboratory for Marine Science and Technology, Qingdao 266100, China)

  • Xianqing Lv

    (Department of Physical Oceanography, College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao 266100, China
    Qingdao National Laboratory for Marine Science and Technology, Qingdao 266100, China)

Abstract

The available observations for the model are usually sparse and uneven. The application of interpolation methods help researchers obtain an approximate form of the original data. A marine nutrient, phytoplankton, zooplankton and detritus (NPZD) type ecosystem model is applied to simulate the distribution of phytoplankton combined with the spline interpolation (SI) and the Cressman interpolation (CI). In the idealized twin experiments, the performance of these two interpolation methods is validated through the analysis of several quantitative metrics, which show the minor error and high efficiency when using the SI. Namely, the given distributions can be better inverted with the SI. The actual distribution of phytoplankton in the Bohai Sea is interpolated in the practical experiment, where a satisfactory simulation result is obtained by the model with the SI. The model experiments and results verify the feasibility and effectiveness of SI.

Suggested Citation

  • Xiaona Li & Quanxin Zheng & Xianqing Lv, 2019. "Application of the Spline Interpolation in Simulating the Distribution of Phytoplankton in a Marine NPZD Type Ecosystem Model," IJERPH, MDPI, vol. 16(15), pages 1-12, July.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:15:p:2664-:d:251652
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    References listed on IDEAS

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    1. Fan, Wei & Lv, Xianqing, 2009. "Data assimilation in a simple marine ecosystem model based on spatial biological parameterizations," Ecological Modelling, Elsevier, vol. 220(17), pages 1997-2008.
    2. Xiaona Li & Minjie Xu & Xianqing Lv & Kai Fu, 2018. "A Study of the Transport of Marine Pollutants Using Adjoint Method of Data Assimilation with Method of Characteristics," Advances in Mathematical Physics, Hindawi, vol. 2018, pages 1-14, August.
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    1. Heinle, A. & Slawig, T., 2013. "Internal dynamics of NPZD type ecosystem models," Ecological Modelling, Elsevier, vol. 254(C), pages 33-42.

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