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Application of Surface Spline Interpolation Method in Parameter Estimation of a PM 2.5 Transport Adjoint Model

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  • Ning Li
  • Xianqing Lv
  • Jicai Zhang

Abstract

A new method for the estimation of initial conditions (ICs) in a PM 2.5 transport adjoint model is proposed in this paper. In this method, we construct the field of ICs by interpolating values at independent points using the surface spline interpolation. Compared to the traditionally used linear interpolation, the surface spline interpolation has an advantage for reconstructing continuous smooth surfaces. The method is verified in twin experiments, and the results indicate that this method can produce better inverted ICs and less simulation errors. In practical experiments, simulation results show good agreement with the ground-level observations during the 22nd Asia-Pacific Economic Cooperation summit period, demonstrating that the new method is effective in practical application fields.

Suggested Citation

  • Ning Li & Xianqing Lv & Jicai Zhang, 2018. "Application of Surface Spline Interpolation Method in Parameter Estimation of a PM 2.5 Transport Adjoint Model," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-11, July.
    • Handle: RePEc:hin:jnlmpe:6231271
    DOI: 10.1155/2018/6231271
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