Fish scale pits

WebKeywords: Fish-scale pits, Runoff, Soil and water conservation, Soil erosion Soil erosion is a serious environmental problem in mountain areas in Beijing Municipality. Semicircular rainwater retention basins, also known as "fish-scale pits" can effectively reduce runoff and soil erosion and improve land productivity. The aims of this study were ... WebKeywords: Fish-scale pits, Runoff, Soil and water conservation, Soil erosion Soil erosion is a serious environmental problem in mountain areas in Beijing Municipality. Semicircular …

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WebNov 11, 2015 · For example, fish-scale pits with mulching (semicircular mini-catchment) increased soil water storage at soil layer depths of 0-180 cm by 14.2 %-21.8 % when compared with control ... WebA large, angled LCD screen means measurements are easy to read, while an auto-off function turns the unit off after 2 minutes of inactivity to preserve battery life. Quick and easy to use, the Brecknell fish scale is perfect for catch-and-release sport fishing. Durable ABS enclosure for single- or double-handle use. city law center https://kenkesslermd.com

Effect of using an infiltration hole and mulching in fish‐scale pits …

WebBased on the basic methods of engineering bionics research, this paper is inspired by the desert surface morphology on the basis of the existing drag reduction microstructures, and extracts the characteristics of ecological surface drag reduction information, thereby establishing a fish-scale pit model. This paper designs and builds a diamond stamping … WebApr 1, 2024 · The fish-scale pit is based on the ordinary spherical pit with the deepest point of the pit moving back a certain distance along the downstream direction. The … WebThe relative reduction in sediment from the fish-scale plot first increased with rainfall and then slowly decreased to a constant value. The relative reductions in runoff for 20-year (160 mm), 10-year (120 mm), and 2-year (54 mm) return period daily rainfall were 18%, 28%, and 39%, respectively. The relative reduction in sediment for 20-, 10 ... city law chambers solicitors

(PDF) Fish-Scale Pits Reduce Runoff and Sediment

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Fish scale pits

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WebMay 22, 2024 · Design of fish scale pit bionic non-smooth surface model There are many pits resembling fish scales in nature, and they often appear in arid areas such as deserts, beaches, and river beds. After long-term wind erosion, its appearance forms a structure similar to fish-scale pits. Therefore, the adaptive principle of nature can indirectly ... Webthe pit stop - sterling. 46230 cranston street. sterling, va 20165 ...

Fish scale pits

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Webpit scale: [noun] one of several scales of the genus Asterolecanium that cause serious injury to oaks. WebMay 5, 2024 · Fish-scale pits (FSPs) and revegetation (RG) are the most common measures for controlling soil erosion on spoil heaps on the Loess Plateau. To evaluate the effects of FSPs and RG on concentrated runoff erosion, scouring-erosion experiments were conducted on FSP plots, RG plots, and bare plots (the control) in the field on two types of …

WebMay 1, 2024 · Six types of terracing-vegetation combinations, including leveled benches-C. microphylla (LM), fish-scale pits-P. orientalis (FO), leveled ditches-P. armeniaca (LA), …

WebApr 1, 2014 · However, the fish-scale pits did not effectively resolve the problem because of their small capacity for runoff and sediment. Most of the fish-scale pits are filled up by … WebApr 1, 2024 · It was found that the fish-scale pits can effectively reduce the shear stress and turbulent flow energy on the wall. At the same time, it was found that the bottom of the fish-scale pits formed tiny vortices flowing in the opposite direction. The "vortex cushion effect" is combined with the "pushing effect" caused by the friction generated by ...

WebA microcatchment technique for soil erosion prevention widely used on soil slopes on the Loess Plateau are fish-scale pits (FSPs). This technique is combined with afforestation …

Web1 offer from $10.59. #5. Berkley Digital Fish Scale with Tape-50, Black. 1,797. 9 offers from $22.46. #6. Waterproof Fish Scale Floating Fishing Scale with Lip Gripper, Fish Weighing Scales with Backlit LCD Display 110lb/50kg, Memory Storage & Summation One Carry Bag Include-Fishing Gifts for Men. 211. did carol baskin get arrestedWebOct 15, 2024 · The fish-scale pit is a semi-circle-shaped pits. In our experiment, the height, width, and length (length referred to the orientation perpendicular to the contour line) of the pit was about 53, 85 and 120 cm respectively. did carol burnett have plastic surgeryWebOct 1, 2024 · The following search terms were used: “terrace” or “level bench” or “level ditch” or “fish-scale pit”, “soil and water conservation” or “runoff” or “erosion” or “sediment”, and “China” (Fig. 1). International publications related to terracing were obtained using the Web of Science and Science Direct, and ... did carol burnett dislike any of her costarsWebNov 14, 2024 · By investigating the technology of artificial shaping fish-scale pit, this study explores the mechanized digging operation on the slope to provide helps for shaping fish … did carol burnett have childrenWebPit scale definition, any of various small oval-shaped homopterous insects of the family Asterolecaniidae, the female members of which have their bodies embedded in a waxy … city law department philadelphiaWebApr 25, 2024 · Fish-scale pits, as one of the most important ecological engineering in semi-arid areas, especially in the Loess Plateau, China, … city law chambers bedfordshireWebconservation measures was fish-scale pit>narrow level belt>slope land>terrace. Key words：Loess hilly and gully region; land use; water conservation measure; soil moisture dynamic; 2. Introduction In the loess hilly region, the spatial combination of physiognomy, vegetation and climate results in the city law corp