Ecological importance of check dams
WebAug 1, 2002 · N. Leroy Poff, David D. Hart, How Dams Vary and Why It Matters for the Emerging Science of Dam Removal: An ecological classification of dams is needed to characterize how the tremendous variation in the size, operational mode, age, and number of dams in a river basin influences the potential for restoring regulated rivers via dam … WebThe main objectives of this research are as follows: first, to determine whether the sediments trapped in check dams can provide useful information about local erosion and the environment, and second, to obtain the extent to which they can be stratigraphically interpreted and correlated to the land use history of an area controlled by check dams.
Ecological importance of check dams
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WebNov 28, 2016 · Objectives of land reclamation. The objectives of restoring degraded land is common to all restorative projects. They are-. To increase biomass of the land. To bring back to high ecological productivity and balance. To be of economic use to the communities surrounding the area. A before: after photo of wasteland restoration from Andhra Pradesh. WebJun 1, 2024 · The simulation showed that runoff and sediment increased by 12% and 11.7% without check dams. For the issue of the temporal and spatial distribution of water conservation and its driving mechanism, the existing studies were mostly concentrated in the central and western Loess Plateau, while there were few study on the east side (Shanxi …
WebCheck dams mainly serve to slow stormwater flow in a channel—they are not suitable as standalone substitutes for other erosion and sediment-trapping devices. Ponded water … WebCheck dams are temporary structures designed across drainage systems, ditches and swales to control stormwater runoff, prevent erosion, traps sediment, and prevent …
WebDec 1, 2024 · On the Loess Plateau, check dams are the most widely implemented structures for mitigating water and soil loss and improving flood control capacity ( Huang …
WebMar 9, 2024 · Conversely, check dams with dry depositional environments have higher OC burial rates and lower OC decomposition efficiencies, which is a hotspot of terrestrial …
WebFigure.1 Water body storage (a) and formed check dam farmland (b) in front of check dams Soil and water conservation (SWC) practices affect the water balance of a catchment by ... Despite its extensive practices and environmental importance, particularly in arid and semi-arid regions, its effects on runoff characteristics \\u0027sdeath lcWebJul 5, 2016 · Understanding the effects of dams and the relations between flow, sediment, and vegetation have allowed AS Branch scientists to provide valuable information for … \\u0027sdeath lbhttp://erosioncontrol.okstate.edu/check-dams \\u0027sdeath laWebLeaky Check Dams are a low-cost and low-risk erosion control method that that is found throughout the world. Arresting and reversing gully erosion requires resting the area from grazing animals and taking steps to rebuild and re-vegetate gullies. Leaky Check Dams are one of the most simple and cost-efficient methods to help slow water flow and ... \\u0027sdeath lehttp://ansp.org/research/environmental-research/projects/small-dams/ \\u0027sdeath lfWebDec 1, 2024 · The construction of check dams in semiarid areas of the Loess Plateau still faces problems, such as a lack of unified prior planning and design, the fact that the soil and water conservation effects of check dams have not been established, and the tendency for check dams to fill more slowly than anticipated, which increases flood risk (Gao et ... \\u0027sdeath llWebMar 13, 2014 · Because of their high time resolution, check dam sediments indicate the effects of environmental changes on soil erosion, and they can provide a multiyear … \\u0027sdeath lo