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The Magdalena river basin sediment yield is 689 ± 528 t km -2 yr -1 with maximum values up to 2000 t km -2 yr -1 . Multiple regression analysis indicates that runoff and maximum discharges are the major controls to explain Magdalena basin sediment yield variance. A numerical model with a 58% efficiency (P< 0.01) and 11% relative root mean square error (RRMSE) was obtained to describe the Magdalena basin sediment yield. Time series analyses show that sediment load have upward trends in 68% of the Magdalena river basin.
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