A holistic view of aquatic ecosystems: Integrating health and integrity, network, stability, and regime shift assessments
February 2024
Aquatic ecosystems, especially freshwater ecosystems, are facing increasing anthropogenic disturbances, highlighting the urgency for accurate ecosystem assessment for informed decision-making and effective...
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Review of methods of sediment detection in reservoirs
February 2024
As reservoir sedimentation is rapidly progressing on a global scale, intensified and better adapted monitoring of sediment accumulation is needed to design optimal counter measures. In the current study,...
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Sediment transport dynamics during a super flood: A case study of the 2010 super flood at the Guddu Barrage on the Indus River
Available online 7 March 2024
Annual sediment load transportation in the Indus River varies from 0.725 to 1.0 Mt/d and varies from 260 to 300 Mt/y. Sediment accumulation upstream of the inline structure (Guddu Barrage) has frequently...
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Total arsenic contamination in soil, vegetables, and fruits and its potential health risks in the Chitral Valley, Pakistan
April 2024
Total arsenic (TAs) contamination is a serious health issue that affects many parts of the world. The sources of TAs in the Himalayas and Hindu Kush Mountains are rocks containing sulfide minerals and...
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Effects of sample preparation methods on measured characteristics of marine and fluvial sediment
February 2024
Dredged sediment is complex material composed of mineral phases, organics phases, and liquid phases. For the characterization of sediment in the laboratory, the material should be dried before applying...
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Quantitative definition of Shields criterion for incipient sediment motion
February 2024
The Shields diagram has been widely used in the description of the threshold condition for incipient sediment motion. Because the current definition of the Shields criterion is generally subjective,...
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Physical and chemical techniques for a comprehensive characterization of river sediment: A case of study, the Moquegua River, Peru
Available online 8 March 2024
River sediment is comprised of complex mineral systems composed by different kinds of organic and inorganic matter, and thus, is difficult to characterize. Besides, some standard techniques, such as...
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Environmental radioactivity, radiological hazards, and trace elements assessment of nearshore sediment in the Bay of Bengal
February 2024
The current study focuses on the environmental radioactivity and multi-risk assessment of nearshore sediment as a source of marine pollution along the Bay of Bengal. The study examines the distribution...
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Reducing bed scour in meandering channel bends using spur dikes
April 2024
A river's planform pattern changes due to erosion of banks and the bed near the outer bend. The primary cause of these planform changes is the formation of helical flow patterns in response to centrifugal...
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The role of waves in the resuspension and transport of fine sediment and mine tailings from the Fundão Dam failure, Doce River, Brazil
February 2024
In one of the world's worst mining disasters, after flowing 670 km down the Doce River, about 20 million m3 of tailings reached the coast of Brazil in November 2015. The occurrence of persistent northerly...
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Impact of open-cast placer mining on sediment transport across Far Eastern rivers of Russia
Available online 5 March 2024
This study examines patterns of sediment transport in Far Eastern rivers of Russia affected by open-cast placer mining—mostly for gold, rarely for silver, and in a few cases for platinum and diamonds....
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Post-fire erosion and sediment yield in a Mediterranean forest catchment in Italy
Available online 29 March 2024
Wildfires are an increasingly alarming phenomenon that affects forests and agroecosystems, generating several cascade effects among which soil erosion is one of the most deleterious. A robust body of...
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Towards an understanding of southern peri-Pannonian lacustrine depositional cycles: Interplay of sediment delivery and shifting intrabasinal height, a case study of drilled Neogene sediments from northwest Toplica Basin (Central Serbia)
Available online 20 March 2024
A multidisciplinary approach allowed the reconstruction of the shallow, highly complex Neogene lacustrine-type sedimentological interplay between the peri-Pannonian (sub)basin subsidence and its seafloor...
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Hydraulics and bedload in unsteady flow: Example of the Volga River
April 2024
The current paper deals with the navigable section of the Volga River tailwater of the Nizhny Novgorod Hydropower Plant. To ensure navigation in this area, the existing navigation structures are being...
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Changes in runoff and sediment discharge along with their driving factors in the Pearl River basin from 1961 to 2018
Available online 1 March 2024
The Pearl River is the second-largest river in China in terms of discharge and has experienced significant changes due to human activities and climate change. The aim of the current study was to detect...
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Long-term evolution of meandering channel planforms in response to the mean annual flow and width–depth ratio
February 2024
A depth-averaged linearized meander evolution model was used to numerically evaluate the spatiotemporal evolution of the meandering channel centerline in the plane at various mean annual flows and width–depth...
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Effects of the angle between the rock strata and slope on flow hydraulics and sediment yield in karst trough valley: Laboratory scour experiment
February 2024
The angle between the exposed bedrock and slope in a karst trough valley strongly affects overland flow behavior, thus, altering the generation of runoff and sediment. However, the directions and magnitudes...
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Using Cs-137 measurements and RUSLE model to explore the effect of land use changes on soil erosion and deposition rates in a mid-sized catchment in southern Italy
April 2024
In some areas of southern Italy, the change in land use over the last 4–5 decades has increased pressure on land and water resources and caused different forms of soil degradation. In order to mitigate...
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Feasibility of digital image colorimetric methods for iron determination in river sediment
Available online 5 March 2024
The current study describes the development of simple, low-cost, and high-throughput digital image colorimetric methods to determine the total iron concentration in river sediment using the spot-test...
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Quantification of sedimentary organic carbon sources in a land–river–lake continuum combined with multi-fingerprint and un-mixing models
April 2024
Identifying organic carbon (OC) sources in lake sediment is essential for elucidating biogeochemical cycling processes and effectively supporting watershed management. However, the complexity of sources...
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Improved estimation of critical bed shear stress downstream of low-head weirs in streams with coarse bed material
Available online 31 March 2024
Existing methods for estimating critical bed shear stress are limited and usually do not consider local scour processes; therefore, the accuracy of numerical modeling is usually compromised. This paper...
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Preliminary assessment of the suspended sediment dynamics in the Sikkim–Darjeeling Himalayan river
April 2024
The Sikkim–Darjeeling Himalaya region receives the highest amount of rainfall along the whole southern Himalayan margin and is known for the occurrence of extreme hydrometeorological and geomorphological...
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A new approach to simulate watershed sediment graphs
February 2024
Soil loss management requires reliable data for assessing the conditions prevailing in a watershed. Suspended sediment concentration (SSC) is one of the indicators of soil loss, and its data and associated...
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From dredged sediment to supplementary cementitious material: characterization, treatment, and reuse
February 2021
Nowadays, the preservation of natural resources, the reuse, and the recycling of waste and by-products in the cement industry are gaining increasing attention in a sustainable development project. In...
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Experimental study of reservoir flushing through a bottom tunnel initially covered by cohesive sediment
Available online 12 March 2024
Reservoir sediment flushing, one of the most effective strategies for alleviating reservoir sedimentation, involves discharging sediment-laden flows downstream through bottom tunnels. However, whether...
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