Abstract
This study focuses on the variation of suspended sediment concentrations in the Amazon River basin near Macapa, Brazil for each season between 2016 and 2020. The suspended sediment concentrations were calculated by spectral analysis of satellite images obtained by Landsat 8-9 OLI/TIRS in the study area. The effects of seasonality, discharge, and precipitation on suspended sediment concentrations in the Amazon Delta were also investigated in conjunction with discharge and precipitation data in the Amazon River basin near Macapa. Findings showed that precipitation was a strong driver of SSC increase, but high SSC lasts longer after high precipitation in autumn. Precipitation, discharge, and SSC were positively correlated with each other, but there was a lag period between their changes.
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