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Improvement of the ocean pollutant transport model by using the surface spline interpolation Cover

Improvement of the ocean pollutant transport model by using the surface spline interpolation

Open Access
|Jan 2018

Abstract

The independent point scheme (IPS) is applied to inverting initial condition with the adjoint method for the ocean pollutant transport model in this work. As an improvement, the linear Cressman interpolation is removed and the surface spline interpolation is implemented in the IPS. A series of numerical experiments are carried out to test and compare the improved IPS. And experiment results show that through applying the improved IPS, what is further reduced is mean absolute errors between simulation results and observations. Moreover, the inverted distributions are more smooth, accurate and reasonable. In addition, the application of improved IPS also reduces the variables that need to be inverted and promotes the computational efficiency. By these numerical experiment results, it is demonstrated that the combination of improved IPS and adjoint method can be used for the inversion of initial conditions and parameters estimation more effectively and reliably.

Language: English
Page range: 1481689 - 1481689
Submitted on: Jun 14, 2017
Accepted on: May 21, 2018
Published on: Jan 1, 2018
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 2018 Xiaolong Zong, Minjie Xu, Junli Xu, Xianqing Lv, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.