Differential adsorption of clay minerals: Implications for organic matter enrichment

T Zhao, S Xu, F Hao - Earth-Science Reviews, 2023 - Elsevier
The interactions between clay minerals and organic matter, specifically adsorption, are
widely recognized as a crucial mechanism for promoting the preservation of organic matter …

Dispersal mechanism of fine-grained sediment in the modern mud belt of the East China Sea

G Xu, S Bi, M Gugliotta, J Liu, JP Liu - Earth-Science Reviews, 2023 - Elsevier
Mud deposition is common on continental shelves worldwide, resulting from various
dispersal behaviors of fine-grained sediments. The mud belt found in the East China Sea …

Riverine Li isotope fractionation in the Amazon River basin controlled by the weathering regimes

M Dellinger, J Gaillardet, J Bouchez, D Calmels… - … et Cosmochimica Acta, 2015 - Elsevier
We report Li isotope composition (δ 7 Li) of river-borne dissolved and solid material in the
largest River system on Earth, the Amazon River basin, to characterize Li isotope …

Grain size control of river suspended sediment geochemistry: Clues from Amazon River depth profiles

J Bouchez, J Gaillardet… - Geochemistry …, 2011 - Wiley Online Library
Residual solid products of erosion display a wide range of size, density, shape, mineralogy,
and chemical composition and are hydrodynamically sorted in large river channels during …

Distribution of major elements in Atlantic surface sediments (36 N–49 S): Imprint of terrigenous input and continental weathering

A Govin, U Holzwarth, D Heslop… - Geochemistry …, 2012 - Wiley Online Library
Numerous studies use major element concentrations measured on continental margin
sediments to reconstruct terrestrial climate variations. The choice and interpretation of …

Global silicate weathering flux overestimated because of sediment–water cation exchange

ET Tipper, EI Stevenson, V Alcock… - Proceedings of the …, 2021 - National Acad Sciences
Rivers carry the dissolved and solid products of silicate mineral weathering, a process that
removes CO 2 from the atmosphere and provides a key negative climate feedback over …

Novel River Sediment@ ZnOCo nanocomposite for photocatalytic degradation and COD reduction of crystal violet under visible light

Y Fahoul, K Tanji, M Zouheir, I El Mrabet… - Journal of Molecular …, 2022 - Elsevier
This work aims to evaluate the adsorption and photocatalysis efficiency of the composite
river Sediment (S)@ Cobalt-doped ZnO (SZCo) with two weight ratios of 10 and 20% of …

Source, transport and fluxes of Amazon River particulate organic carbon: Insights from river sediment depth-profiles

J Bouchez, V Galy, RG Hilton, J Gaillardet… - … et Cosmochimica Acta, 2014 - Elsevier
In order to reveal particulate organic carbon (POC) source and mode of transport in the
largest river basin on Earth, we sampled the main sediment-laden tributaries of the Amazon …

Rainfall and sea level drove the expansion of seasonally flooded habitats and associated bird populations across Amazonia

AO Sawakuchi, ED Schultz, FN Pupim… - Nature …, 2022 - nature.com
Spatial arrangement of distinct Amazonian environments through time and its effect on
specialized biota remain poorly known, fueling long-lasting debates about drivers of biotic …

Sediment production and delivery in the Amazon River basin quantified by in situ–produced cosmogenic nuclides and recent river loads

H Wittmann, F von Blanckenburg, L Maurice… - …, 2011 - pubs.geoscienceworld.org
We use cosmogenic nuclide-derived denudation rates from in situ–produced 10Be in river
sediment to determine sediment production rates for the central Amazon River and its major …