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River sediment plays a critical role in maintaining the health of river ecosystems, and accurately predicting suspended sediment load (SSL) is vital for effective river management. This study proposes a quantum bee colony algorithm based on Boltzmann&#x2019;s selection and dimensional dynamic update strategy (BDQABC). The BDQABC is utilized to optimize artificial intelligence (AI) models, specifically BDQABC-SVR and BDQABC-ANN. Both models are applied to predict SSL at the Caguas Municipio station in Lo&#x00ED;za River, Puerto Rico. To evaluate the predictive capability, the models are compared with quantum bee colony algorithm-optimized AI models (QABC-SVR and QABC-ANN), genetic algorithm-optimized AI models (GA-SVR and GA-ANN) and traditional AI models (SVR and ANN). The models using various combinations of lagged river flow and SSL values as inputs. The performance of the models is assessed using metrics such as root mean square error (RMSE), mean absolute error, nash-Sutcliffe efficiency, coefficient of determination, and graphical comparison methods. The results indicate that the BDQABC-SVR and BDQABC-ANN models exhibit stronger predictive capabilities for SSL than other models. Specifically, BDQABC-SVR improves the RMSE accuracy of the QABC-SVR model by 5.6% and 22.0% respectively, while BDQABC-ANN improves the RMSE accuracy of the QABC-ANN model by 13.3% and 9.7%, respectively for the two input scenarios.

Improved quantum artificial bee colony algorithm-optimized artificial intelligence models for suspended sediment load predicting