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Research Article

A regional ANN-based model to estimate suspended sediment concentrations in ungauged heterogeneous basins

ORCID Icon & ORCID Icon
Pages 1222-1232 | Received 01 Oct 2020, Accepted 09 Mar 2021, Published online: 07 Jun 2021

Figures & data

Figure 1. Representation of a feedforward artificial neural network (ANN) with three layers

Figure 1. Representation of a feedforward artificial neural network (ANN) with three layers

Figure 2. Localization of the study area, showing the selected hydrometric stations

Figure 2. Localization of the study area, showing the selected hydrometric stations

Table 1. Selected hydrometric stations

Figure 3. Summary of the input and output variables

Figure 3. Summary of the input and output variables

Table 2. Sample separation

Figure 4. (a) Soil type classes, (b) land use classes and (c) digital elevation model in the Upper Paraguay River Basin (UPRB)

Figure 4. (a) Soil type classes, (b) land use classes and (c) digital elevation model in the Upper Paraguay River Basin (UPRB)

Table 3. Descriptive statistics of quantitative variables used in the Artificial Neural Network models

Table 4. Descriptive statistics and linear correlations between Suspended Sediment Concentration and turbidity for each station

Table 5. Statistical performance of Artificial Neural Network models

Figure 5. Verified error between the calculated and observed suspended sediment concentration (SSC) values (a, b) and the observed and calculated values in relation to the ideal fit (c, d), from model M01

Figure 5. Verified error between the calculated and observed suspended sediment concentration (SSC) values (a, b) and the observed and calculated values in relation to the ideal fit (c, d), from model M01

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