نتایج جستجو برای: river bank erosion

تعداد نتایج: 173346  

Journal: :Bulletin of Geography. Socio-economic Series 2023

Th e present paper is a micro-level study aimed at analyzing the impacts of riverbank erosion on riparian society. To fulfi ll objective, has been carried out from two distinctive perspectives; viz. general outlooks and specifi c inquiry. For outlook, Ganga-Padma river in its lower reach downstream Farakka Barrage Samserganj Community Development Block explored terms channel shift ing using mul...

Journal: :Journal of Geoscience and Environment Protection 2021

Jamuna, a major braided river in Bangladesh, has an enormous hydrological impact on the surrounding areas and streams. Erosion sedimentation Jamuna cause large flow fluctuation floods round year. Bangladesh Water Development Board initiated pilot capital dredging project 2011-2012, aiming to guide reduce risk of failure city area right bundh Bridge. This study explores long-term role morphology...

Journal: :Geological Society of America Bulletin 2022

Abstract Downstream sediment transport in river systems is impacted by anthropogenic modifications, such as dams or levees. This study used detrital zircon U-Pb geochronology and mixture modeling to investigate the effects of on provenance signatures along upper Missouri Yellowstone Rivers. The River longest dam-free North America, while has several major reservoir-forming dams. We present 4777...

Journal: :CivilEng 2023

A floodplain is an area of low-lying land adjacent to a river, stream, or other water body that regularly inundated by during periods high flow. Floodplains typically have relatively flat terrain and are composed sediments deposited the river over time. Floodplain flow refers movement across surface This can occur as result spilling banks seeping into ground then re-emerging on floodplain. Bank...

2007
J. BOGEN

In many ways, sediment transport dynamics in mountain environments differ from those of the lowlands. The high relief and the steep slopes are an obvious feature of mountain areas. The cold climate is another factor controlling runoff and erosional processes, and the distribution of vegetation is also controlled by the prevailing climate. Above the tree line, processes of erosion are more inten...

So that the morphological and transverse changes of the Ghezelozan River have been evident in recent years and caused some problems. In this study, the detection of river side changes was carried out using satellite imagery of TM and OLI Landsat 5 and 8 in the period 1993 to 2013, during which an interval of 158 km from the Ghezelozan River, using the transect method evaluated. The channel duct...

2011
Michael P. Lamb Jeffrey A. Nittrouer David Mohrig John Shaw

[1] Sediment flux from rivers to oceans is the fundamental driver of fluvio-deltaic morphodynamics and continental margin sedimentation, yet sediment transport across the river-to-marine boundary is poorly understood. Coastal rivers typically are affected by backwater, a zone of spatially decelerating flow that is transitional between normal flow upstream and the offshore river plume. Flow dece...

Digital Elevation Models (DEMs) are used to estimate different morphologies, analysis of river profile, delineating drainage basin and drainage pattern associated with lithological and structural changes. The study area is Maroon River located in Khuzestan Province, Iran. In this study geomorphometric analysis based on DEM carried out to understand Maroon river uplift rate and tectonic- erosion...

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