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Input files for the “Fluvial Particle” model used in generating particle tracking simulations of the dye release experiment at Searcys Bend near Columbia, Missouri, May 5, 2021

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2023-08-11T00:00:00Z
This dataset contains the input Python files used to generate particle tracking simulations of the Searcys Bend dye release experiment using the “Fluvial Particle” model. There are four input files that each correspond to each of the model runs using different lateral eddy viscosity (LEV) parameter values at multiplies of 0.5, 1, 2, and 4 of the calculated value. Discussion of the chosen model parameters can be found in (insert paper reference). Documentation on running the model can be found at: (https://doi.org/10.5066/P9K1U4O0). One of the input parameters is the path to a file for particle starting locations called “StartLoc”, which is also provided within this data release (https://doi.org/10.5066/P9QOZM1N). Users wishing to run the model will need to ensure the path to the starting location file is set according to the directory structure on their machine. Because the start location file provides the individual locations for 12,500 particles, the model must be run with the same number of particles for the code to successfully execute. The parallelized version of the Lagrangian particle tracking algorithm can be used to run additional particles at multiples of 12,500. The simulations run for this work were run using the parallel version of the code distributed across 120 computation processing units (CPUs) for a total of 1,500,000 simulated particles.

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