Environmental Sensitivity Analysis of Commonly Used Agricultural Pesticides Based on Medium Models Morris Method and Sobol Method
Sensitivity analysis of the four level multimedia model is one of the important research methods in ecotoxicology.In order to systematically study this analysis method,Morris method and Sobol method are used to study two commonly used agricultural pesticides(antibiotics sulfamethoxazole and tetracycline),and the sensitivity of 10 influencing parameters is analyzed.The results indicate that there are differences in the sensitivity of parameters for different substances.The Morris method can obtain qualitative results,while the Sobol method can obtain quantitative results,but the parameter ranking results of the two methods are similar.The Morris method requires less computing resources,has shorter computation time,and produces faster results.The Sobol method requires optimization of the number of calculations,and the calculation process is relatively complex.Currently,most studies use local sensitivity analysis methods,but may result in inaccurate results.When it is impossible to determine whether the model is linear,global sensitivity analysis methods should be prioritized.
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