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Research on The Improvement and Application of Advection-Dispersion Model in Emerging Pollutant Diffusion Analysis:Taking Liangjiang New District in Chongqing as an Example
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Researchers developed and evaluated an improved Advection-Diffusion Equation model for predicting the spatial dispersion of emerging pollutants including microplastics in river systems within Liangjiang New District, Chongqing. By comparing the improved ADE model against hotspot grid analysis and catchment diffusion analysis, the study provides quantitative performance comparisons to guide selection of analytical methods for emerging contaminant traceability.
Taking the Liangjiang District of Chongqing as the study area, this paper utilizes multi-source data, including pollutant sampling data, DEM, and river networks, to achieve more refined and accurate predictions of pollutant dispersion. An improved Advection-Diffusion Equation (ADE) model is designed, and a novel pollutant target dataset is created based on the improved model. The experiment is based on the task of rapid traceability and precise spatial positioning of new pollutants. Taking microplastics as an example, the hot spot grid analysis method and Catchment diffusion analysis model are compared. By comparing the hotspot grid analysis method and the Catchment-based diffusion analysis model, the study quantitatively evaluates the performance of different experimental methods. Furthermore, the strengths and limitations of each method are discussed in the context of real-world scenarios, providing scientific insights and guidance for selecting and applying analytical methods for emerging pollutants.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.