Fish scale pits

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August undefined, 2024

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Soil Moisture status and its responses on Land Uses and water …

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 ... WebOct 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. earthquake vector tiller parts

The efficiency of large-scale afforestation with fish-scale pits …

WebOverall car weight shall not exceed 6oz. The official race scale will be considered final. Every car must be weighed prior to the race in order to qualify. Overall length of the car … 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 … 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. earthquake types of faults

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

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WebOct 1, 2024 · The fish-scale pit, a semicircular or crescent-shaped pit staggered down slopes, is a traditional soil and water conservation practice in China’s northern region and is effective in intercepting sediment, retaining soil and water, and reducing the runoff on the slope, as well as in increasing forestation . WebJan 1, 2010 · Fish-scale pits can effectively reduce runoff and soil erosion and improve land productivity (Fu et al. 2010). Terraces and fish-scale … earthquake vancouver bc todayWebFeb 3, 2015 · A pit scale is very similar to digital scales, such as the one in your bathroom. Compression load cells are mounted beneath the platform and measure the weight of an … earthquake valdivia chile 1960

"WebPit 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 … " - Fish scale pits

Fish scale pits

Fish‐scale pit effects on erosion and water runoff …

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 pit stop - sterling. 46230 cranston street. sterling, va 20165 ...

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WebMay 5, 2024 · Massive spoil heaps, formed during production and construction activities, have suffered from severe soil erosion, leading to land degradation and damaging 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 ...

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), … WebJul 8, 2016 · The fish-scale pits- Platycladus orientalis surface soil layer had the lowest fractal dimension values. For the 10–20-cm layer, the fish-scale pits-Platycladus …

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 … WebAbstract. Conserving more soil water is of great importance to the sustainability of arid and semiarid orchards. Here we integrated fish-scale pits, semicircular mini-catchments for hill slope runoff collection, with mulches to test their effects on soil water storage in a 12-year-old dryland jujube orchard on the Loess Plateau of China, by using soil water …

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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 ... ctn madison wiWebMay 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 … earthquake update in nepalWebMeterk 75Kg/10g Electronic Backlight Weighing Scale Portable Digital Fishing Postal Hanging Hook Scale with Measuring Tape. 3+ day shipping. $23.49. 6. 3+ day shipping. $9.98. More options from $8.98. LCD Digital Fish Scale - TSV Portable Fishing Archery Scale with Metal Hook - Measures Weight 50kg/110lb/1760oz - Strong Hanging Scales … earthquake vector tiller 26750 parts manualWebJul 8, 2016 · The fish-scale pits- Platycladus orientalis surface soil layer had the lowest fractal dimension values. For the 10–20-cm layer, the fish-scale pits-Platycladus orientalis fractal dimension values were also significantly lower than those in the leveled ditches-M. sativa and fish-scale pits-Pinus tabulaeformis soils. earthquake vector tiller beltWebApr 1, 2014 · In addition, digging pits on the flat and gentle slopes, or arrangement of the scales of a fish (i.e., semicircular rainwater retention basins arranged as fish scales on steeper slopes) are common ... ctnm hamburgWebconservation 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 ctn measWebApr 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 … earthquake valve for gas meter