2020
DOI: 10.3390/atmos11020208
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The Rise of Climate-Driven Sediment Discharge in the Amazonian River Basin

Abstract: The occurrence of hydrological extremes in the Amazon region and the associated sediment loss during rainfall events are key features in the global climate system. Climate extremes alter the sediment and carbon balance but the ecological consequences of such changes are poorly understood in this region. With the aim of examining the interactions between precipitation and landscape-scale controls of sediment export from the Amazon basin, we developed a parsimonious hydro-climatological model on a multi-year ser… Show more

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Cited by 15 publications
(14 citation statements)
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“…Then, for the final selection, the third criterion—|b-1|= min—was additionally involved. Each predictor was repositioned over > 50 iterations until convergence was achieved 99 . The Durbin-Watson statistic was performed to test for auto-correlated residuals because large temporal dependence may induce spurious correlations.…”
Section: Methodsmentioning
confidence: 99%
“…Then, for the final selection, the third criterion—|b-1|= min—was additionally involved. Each predictor was repositioned over > 50 iterations until convergence was achieved 99 . The Durbin-Watson statistic was performed to test for auto-correlated residuals because large temporal dependence may induce spurious correlations.…”
Section: Methodsmentioning
confidence: 99%
“…Due to the increasing severity of global warming and climate change effect in recent years, extreme hydrographic phenomena have frequently been observed. Climate change has increased precipitation concentration, volume and intensity, which has significantly impacted runoff and soil erosion in many watersheds [1][2][3]. The sediments generated from watershed erosion are transported to rivers via surface runoff, and they are the main composition of river sediments and a major source of reservoir or river dam sediment deposition [4].…”
Section: Introductionmentioning
confidence: 99%
“…The second topic area included seven articles [9][10][11][12][13][14][15] and covered a diverse number of phenomena related to extremes and teleconnections that generally operated on subseasonal and seasonal time scales. The sediment discharge in the Amazon Basin [9] was examined and modelled using in situ and satellite derived information in the river sediment discharge for Amazonia (RSDA) model. The study ultimately covered the period from 1859-2015.…”
mentioning
confidence: 99%
“…The study ultimately covered the period from 1859-2015. They [9] found an increased sediment discharge across the Amazon basin due to stronger singular rainfall events and/or changes in land cover after 1931. Before that period, wet season rainfall and sedimentation showed interdecadal variability, but little trend.…”
mentioning
confidence: 99%
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