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Data for Microplastic transport and ecological impacts on the Yangtze River Estuary: a coupled modeling approach
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This dataset provides input files for a coupled modeling study of microplastic transport and ecological impacts in the Yangtze River Estuary, including finite element mesh geometry, spatially interpolated microplastic concentrations, and biological parameters for fish population dynamics. Oceanographic reanalysis data (temperature, salinity) from 2019 were used to derive habitat suitability and carrying capacity parameters for the model.
This dataset contains the essential input files for simulating fish population dynamics under microplastic stress. p.mat and t.mat define the spatial geometry of the study area, providing the node coordinates and triangular element connectivity for the finite element mesh. concentration_final.mat stores the interpolated spatial distribution of microplastic pollutants used as the environmental stressor. The biological parameters are provided in r.mat and k.mat, which contain the seasonal intrinsic growth rates and environmental carrying capacities derived from habitat suitability models. Finally, the CORA2 NetCDF files (covering Jan, Mar, Jul, Nov 2019) provide the raw regional oceanographic reanalysis data (e.g., temperature and salinity) that served as the source for calculating these biological parameters.
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Data for Microplastic transport and ecological impacts on the Yangtze River Estuary: a coupled modeling approach
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This dataset provides input files for a coupled modeling study of microplastic transport and ecological impacts in the Yangtze River Estuary, including finite element mesh geometry, spatially interpolated microplastic concentrations, and biological parameters for fish population dynamics. Oceanographic reanalysis data (temperature, salinity) from 2019 were used to derive habitat suitability and carrying capacity parameters for the model.
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Researchers applied quantitative numerical simulation to model microplastic transport and concentration distribution in the Yangtze Estuary, one of the world's largest plastic export pathways. The model used a mass-number method to estimate spatial distribution and risk levels of microplastics in February and May, revealing seasonal variation in transport patterns.
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Researchers used interpolation and input-output modeling to estimate how the Yangtze River transports microplastics seasonally from land to the East China Sea, finding that MP loads varied substantially by month with peak transport during high-flow periods. Tributary contributions and agricultural runoff were identified as major factors controlling MP flux to the estuary.
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Researchers surveyed microplastic contamination in surface seawater near the Yangtze River estuary across four seasons in 2017 and 2019. They found microplastics at all sampling stations, with abundance varying by season and influenced by river discharge and ocean currents. The study provides baseline data on microplastic pollution levels in this ecologically important estuarine region of China.
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