Fluvial Processes In River Engineering Downloads Torrent
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The impact of engineering works on river floodplain fluvial processes has been often overlooked despite the fundamental importance of these processes for aquatic ecosystem functioning and the consequence of their impairment for the resilience of river ecosystems (Collier et al., 2010; Moomey and Medinger, 2015). Floodplain fluvial processes include many effects of floodplain morphology (e.g., streams, rivers, floodplains, wetlands) that can be significantly impacted by nature- and engineering-related changes (e.g., rivers, wetlands, dams and reservoirs) of significant scale (Barbosa et al., 2006). Despite the impossibility of the use of a single comprehensive regulatory framework to mitigate the effects of global land use on fluvial processes at the global scale, some general recommendations are suggested. Such recommendations are based on a prioritized comprehensive approach of environmental impacts and the need of global/multi-national policies to be aligned with them. The following recommendations are based on a brief look at the three most important aspects of fluvial processes. They are related to the levels of importance that the vary according to the study methods, number and spread of observations. This would indicate that the first recommendation about the importance of the investigation of the processes should always be done at the level of the most extensive observations (SFA and PFM).
A common land use is the construction of small dams, usually in streams and rivers with a high proportion of bedrock with flat or gently slopping beds. These dams prevent a portion of the annual runoff from reaching the next downstream barrier. The capacity of these dams for retaining water and the duration of the backlog are limited by the size of the yield, the rate to which the capacity is filled and the relative timing of the peak flow season. During periods of high runoff, the amount of water that is stored is limited by the size of the yield. The amount of water that is retained by a small dam depends on the size of the yield relative to the capacity of the dam, the depth of the bed of the drain and the gradient of the drain. The duration of the backlog is limited by the size of the dam and the structural capacity of the dam. The amount of water that is retained by a small dam depends on the size of the yield relative to the capacity of the dam, the depth of the bed of the drain and the gradient of t