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- W2941588296 abstract "ABSTRACT Calibration and validation are two important steps in the application of sediment models requiring observed data. This study aims to investigate the potential use of suspended sediment concentration (SSC), water quality and remote sensing data to calibrate and validate a large-scale sediment model. Observed data from across 108 stations located in the Doce River basin was used for the period between 1997-2010. Ten calibration and validation experiments using the MOCOM-UA optimization algorithm coupled with the MGB-SED model were carried out, which, over the same period of time, resulted in 37 calibration and 111 validation tests. The experiments were performed by modifying metrics, spatial discretization, observed data and parameters of the MOCOM-UA algorithm. Results generally demonstrated that the values of correlation presented slight variations and were superior in the calibration step. Additionally, increasing spatial discretization or establishing a background concentration for the model allowed for improved results. In a station with high quantity of SSC data, calibration improved the ENS coefficient from -0.44 to 0.44. The experiments showed that the spectral surface reflectance, total suspended solids and turbidity data have the potential to enhance the performance of sediment models." @default.
- W2941588296 created "2019-05-03" @default.
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- W2941588296 date "2019-01-01" @default.
- W2941588296 modified "2023-09-25" @default.
- W2941588296 title "Automatic calibration of a large-scale sediment model using suspended sediment concentration, water quality, and remote sensing data" @default.
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- W2941588296 doi "https://doi.org/10.1590/2318-0331.241920180127" @default.
- W2941588296 hasPublicationYear "2019" @default.
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