Amplification of downstream flood stage due to damming of fine-grained rivers

H Ma, JA Nittrouer, X Fu, G Parker, Y Zhang… - Nature …, 2022 - nature.com
River dams provide many benefits, including flood control. However, due to constantly
evolving channel morphology, downstream conveyance of floodwaters following dam …

Updating the neural network sediment load models using different sensitivity analysis methods: a regional application

R Asheghi, SA Hosseini, M Saneie… - Journal of …, 2020 - iwaponline.com
The amount of transported sediment load by streams is a vital but high nonlinear dynamic
process in water resources management. In the current paper, two optimum predictive …

Dunes in the world's big rivers are characterized by low-angle lee-side slopes and a complex shape

J Cisneros, J Best, T van Dijk, RP Almeida… - Nature …, 2020 - nature.com
Dunes form critical agents of bedload transport in all of the world's big rivers, and constitute
appreciable sources of bed roughness and flow resistance. Dunes also generate …

Resilience of river deltas in the Anthropocene

AJF Hoitink, JA Nittrouer, P Passalacqua… - Journal of …, 2020 - Wiley Online Library
At a global scale, delta morphologies are subject to rapid change as a result of direct and
indirect effects of human activity. This jeopardizes the ecosystem services of deltas …

Finite amplitude of free alternate bars with suspended load

MB Bertagni, C Camporeale - Water Resources Research, 2018 - Wiley Online Library
River bars are macroscale sediment patterns, whose main geometrical features (wavelength
and amplitude) depend on the mutual interactions between hydrodynamics and sediment …

Spatial trends and drivers of bedload and suspended sediment fluxes in global rivers

S Cohen, J Syvitski, T Ashley, R Lammers… - Water resources …, 2022 - Wiley Online Library
Bedload is notoriously challenging to measure and model; its dynamics, therefore, remains
largely unknown in most fluvial systems worldwide. We present results from a global scale …

Impact of vegetation on bed load transport rate and bedform characteristics

JQ Yang, HM Nepf - Water Resources Research, 2019 - Wiley Online Library
The impacts of aquatic vegetation on bed load transport rate and bedform characteristics
were quantified using flume measurements with model emergent vegetation. First, a model …

Higher fine particle fraction in sediment increased phosphorus flux to estuary in restored Yellow River Basin

Y Wang, W Ouyang, C Lin, W Zhu, A Critto… - Environmental …, 2021 - ACS Publications
River delta-front estuaries (DEs) are vital interfaces for fluxes between terrestrial and marine
environments. However, deep uncertainty exists in estimating the sedimentary pollutant flux …

Shoreline dynamics of the active Yellow River delta since the implementation of Water-Sediment Regulation Scheme: A remote-sensing and statistics-based approach

Y Fan, S Chen, B Zhao, S Pan, C Jiang, H Ji - Estuarine, Coastal and Shelf …, 2018 - Elsevier
Abstract The Active Yellow River (Huanghe) Delta (AYRD) is a complex landform in which
rapid deposition takes place due to its geologic formation and evolution. Continuous …

Transport scaling of dune dimensions in shallow flows

RW Bradley, JG Venditti - Journal of Geophysical Research …, 2019 - Wiley Online Library
Dune dimensions in sand‐bedded rivers are often thought to scale with flow depth (h), with
height (H) scaling as 1/6h and length (L) as 5h, even though substantial scatter about the …