Alluvion
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The SPACE 1.0 model: a Landlab component for 2-D calculation of sediment transport, bedrock erosion, and landscape evolution Open
Models of landscape evolution by river erosion are often either transport-limited (sediment is always available but may or may not be transportable) or detachment-limited (sediment must be detached from the bed but is then always transport…
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Sediment Transit Time and Floodplain Storage Dynamics in Alluvial Rivers Revealed by Meteoric<sup>10</sup>Be Open
Quantifying the time scales of sediment transport and storage through river systems is fundamental for understanding weathering processes, biogeochemical cycling, and improving watershed management, but measuring sediment transit time is c…
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Incisional cyclic steps of permanent form in mixed bedrock‐alluvial rivers Open
Most bedrock river channels have a relatively thin, discontinuous cover of alluvium and are thus termed mixed bedrock‐alluvial channels. Such channels often show a series of steps formed at relatively regular intervals. This bed form is th…
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Groundwater resources exploration of Harrat Khaybar area, northwest Saudi Arabia, using electrical resistivity tomography Open
Two-dimensional (2D) electrical resistivity tomography (ERT) survey has been conducted in the Harrat Khaybar volcanic field, northeast of Al Madinah Al Munawwarah, Saudi Arabia, to assess the presence of groundwater resources. For this pur…
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Geomorphic controls on floodplain sediment and soil organic carbon storage in a Scottish mountain river Open
River floodplains constitute an important element in the terrestrial sediment and organic carbon cycle and store variable amounts of carbon and sediment depending on a complex interplay of internal and external driving forces. Quantifying …
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Alluvial aquifer thickness and bedrock structure delineation by electromagnetic methods in the highlands of Bolivia Open
The porous aquifers in the area called Challapampa are the most important groundwater reservoirs that supply drinking water to Oruro city in the highlands of Bolivia. They consist of unconsolidated fluvial–lacustrine deposits, resting on a…
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Rapid estimation of minimum depth-to-bedrock from lidar leveraging deep-learning-derived surficial material maps Open
Previously glaciated landscapes often share similar surficial characteristics, including large areas of exposed bedrock, blankets of till deposits, and alluvium-floored valleys. These materials play significant roles in geologic and hydrol…
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Geochemical Mapping and Reference Values of Potentially Toxic Elements in a Contaminated Mining Region: Upper Velhas River Basin Stream Sediments, Iron Quadrangle, Brazil Open
The Upper Velhas River Basin, in the mining region of the Iron Quadrangle, is one of the most polluted basins in Minas Gerais, Brazil. The region has been exploited for gold and iron, among other substances of interest. In addition to aban…
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Impact Of Mozhaysk Dam On The Moscow River Sediment Transport Open
Sediments are an essential part of the aquatic environment that define its transformation and development. The construction of dams results in severe changes in sediment fluxes. This study aims to assess how the sediment load of the upper …
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The Effect of Suffusion Phenomenon in the Increasing of Land Subsidence Rate Open
Land subsidence is defined as gradually ground surface settlement in an aquifer due to the compaction of unconsolidated sedimentary deposits. Since in an aquifer, deposits consist of cohesive or non-cohesive alluvial soil layers. The conso…
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Sediment Transport Measurement in the Koshi River: Comparison Between Historic and Recent Measurement Results Open
This study presents the results of sediment transport measurement in the Koshi River with a comparison between historic and recent measurement techniques. Based on the historic sediment measurement data for the period 1948-1981, the yearly…
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Alluvium Assessment of Gold-Bearing Layer in Buried Old River Channel by using Electrical Resistivity Method at Batu Melintang, Jeli, Kelantan Open
The electrical resistivity imaging (ERI) survey was conducted to delineate the distribution of sediment in the gold-bearing layer and the nature of bedrock within the study area at Batu Melintang. The study area is known as a highly potent…
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Determination of soil erodibility (K) factor derived from different geologic formations of Akwa Ibom State Open
The onsite and offsite effect of erosion has caused it to be considered as a global issue. For erosion to occur there must be soil erodibility and rainfall erosivity. Different geologic formations give rise to different types of soil and t…
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Estimating <span>catchment‐scale</span> sediment storage in a large River Basin, Colorado River, <span>USA</span> Open
Catchment‐scale sediment storage is conceptualized as increasing in magnitude downstream, although reach‐scale controls may override this trend. We use empirical data from a literature review and two numerical models to quantitatively esti…
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Analisis Profil Bawah Permukaan Pantai Lumpue Kota Parepare Open
Lumpue Beach Subsurface Profile Analysis of Parepare City. This study aims to analyze the subsurface profile of Lumpue beach which is directly contaminated with activities around the coast. In this study, the Wenner Schlumberger method was…
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Comparative study of sediment loading in sub-watersheds of Phewa Lake, Nepal Open
The present study assessed the potential of sediment loading in Beteni, Lauruk, Andheri, and Harpan sub-watersheds of Phewa Lake and estimated the sediment yield in the year 2020. Morphometry, land use/land cover, geology, climate, and hum…
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Evaluation of sediments quality and geospatial distribution of heavy metals in aquatic sources in the Drini i Bardhë river basin. Open
The purpose of this research study is to determine the concentrations of heavy metals in sediments (fraction Mn>Zn>Ni>Cr>Cu>Pb>Co>As>Sn>Mo>Sb>Cd>Bi>Ag>Hg. Based on the findings from this study, studied area is directly impacted from the ge…
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COMPARISON OF BEDROCK AND ALLUVIAL MEANDERS USING 2D MODELLING Open
Understanding the differences between characteristics of alluvial and bedrock meanders is the need of hour. In this paper we have performed some numerical calculations in order to, first make an effort to observe the change in migration of…
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Influence of local factors on the deposition of pleistocene alluvial sediments in the lower Sava river valley Open
The Quaternary period was characterized by cyclic climate change, with alternating cold and warm stages. A case study of the alluvial sediments at water supply wellfield of the City of Belgrade shows how climate change has influenced the f…
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Katastrophale Sediment Ablagerungen im Pokhara Tal, Nepal Open
Fluvial terraces, floodplains, and alluvial fans are the main landforms to store sediments and to decouple hillslopes from eroding mountain rivers. Such low-relief landforms are also preferred locations for humans to settle in otherwise st…
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Alluvial fan development mirrors settlement dynamics in the peri-urban surroundings of ancient Pergamon, western Türkiye Open
The ancient metropolis of Pergamon in Asia Minor underwent profound transformations from the Hellenistic to the Roman Imperial period, affecting the peri-urban surroundings. This study aims to identify phases of landscape development in th…
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At the crossroads of different fine sediment fingerprinting methods in the Jiu River Basin (SW Romania) Open
Fine sediments in rivers hold the imprint of the lithological and geochemical features of their origin areas and sometimes intermediate storage, as well as of the influence of human activities. This research addresses the issue of the hete…
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Compiling and Analysing Bedrock River Data Across the USA to Unpick Bedrock River Geomorphology Open
<p>Active incision of bedrock rivers exerts a vital control on landscape evolution in upland areas. Previous research found that bedrock rivers were typically steeper and sometimes narrower than alluvial rivers. However, most of the …
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Satellite remote sensing for the reconstruction and mapping of archaeological resources in alluvial environments Open
The deposition of deep alluvial sediments within river floodplains during the Holocene, often renders conventional forms of archaeological prospection, such as geophysical survey or aerial photography, ineffective. Consequently, within all…
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A geodiversidade como elemento dos rios patrimônio: o exemplo do São Francisco, Rio da Unidade Nacional – da nascente até a cachoeira Casca d’Anta Open
Os rios são partes integrantes da geodiversidade e têm proximidade especial com a sociedade. O patrimônio fluvial é caracterizado por rios incomuns com aspectos singulares de geodiversidade, valores culturais e históricos e elementos ecoló…
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The analysis and mapping of an urban planning area in risk and hazard dimensions using earthquake-MASW-VES data: the case of Yenişehir (Bursa), Turkey Open
The study area was defined by geophysical level maps and earthquake parameters. Geophysical measurements were collected from the Mesudiye formation and alluvial units. The seismic Vs,Vp,VS30, dynamic parameter and electrical resistivity va…
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Transport of heavy minerals and heavy anthropogenic particles in the Rio Sella catchment and along the adjacent coast, northern Spain Open
The Rio Sella in northern Spain drains a catchment area of around 1200 km2. It originates in the Picos de Europa and erodes a variety of outcropping lithologies, mainly of Palaeozoic and minor Mesozoic to Cenozoic age. These rocks include …
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FIELD MONITORING OF ALLUVIAL SEDIMENT ACCUMULATION IN THE OKA RIVER FLOODPLAIN (IN THE MIDDLE PART OF THE ITS BASIN) Open
We present the results of using the method of sedimentation traps (mats) in geomorphological monitoring of alluvial sedimentation rates in the floodplain of the Oka River. Only two spring floods between 2014 and 2021 inundated the central …
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2-4 Melior Place London SE1 3QP Open
A geoarchaeological watching brief, commissioned by Blackbird Development, was carried out by MOLA (Museum of London Archaeology) at 2-4 Melior Place, in the London Borough of Southwark. Works consisted of a single borehole drilled through…
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Patterns of Alluviation in Mixed Bedrock-Alluvial Channels: 2. Controls on the Formation of Alluvial Patches Open
Understanding the development and spatial distribution of alluvial patches in mixed bedrock-alluvial rivers is necessary to predict the mechanisms of the interactions between sediment transport, alluvial cover, and bedrock erosion. This st…