Loess flow
WitrynaThe semi-arid region of China’s Loess Plateau is characterized by fragile ecosystems and a shortage of water resources. The major natural forest type in this region is the secondary forest with the flora dominated by the Liaodong oak (Quercus liaotungensis Koidz.). To understand its transpiration water use in relation to environmental factors, … Witryna合作机构. 长安大学地质工程与测绘学院 269; 长安大学地质工程与测绘工程学院 161; 长安大学 149; 长安大学地质工程系 38; 长安大学建筑工程学院 32; 中国地质科学院地质力学研究所 31; 浙江大学 15; 长安大学西部矿产资源与地质工程教育部重点实验室 15; 西部矿产资源与地质环境教育部重点实验室 14
Loess flow
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WitrynaPerched water table was significantly raised and resulted in many loess flow failures in the past 30 years. This type of landslide was often featured by long runout distance, high speed and recurrence. Laboratory tests along ICU and CSD stress paths were performed. It is shown that the loess has a strong strain-softening behavior and ... Witryna23 gru 2014 · Field investigations indicated that the loess flow-slides only occurred at a depth of <2 m, which corresponded to a surface layer of completely saturated loess …
WitrynaLoess flow Rock dall Subsidence Debris flow/debris avalanche Mudflow Gambar 2. Pergerakan tanah sebagai fungsi dari kadar air dan kecepatan pergerakan (Abbot, 2004) Witryna31 maj 1999 · Hyperconcentrated flows are an important factor responsible for the high-intensity erosion and sediment yield in the middle Yellow River basin. Many previous studies have indicated that the sediment delivery ratio on the Loess Plateau approaches 1. This can be explained by the action of hyperconcentrated flows.
Witryna23 gru 2024 · The mechanisms of a loess landslide triggered by diversion-based irrigation: A case study of the South Jingyang Platform, China. Bull. Int. Assoc. Eng. Geol. 2024, 78, 4945–4963. [Google Scholar] Xi, Y.; Li, T.; Xing, X. Analysis of the triggering mechanism of a loess flow slide induced by water canal leakage. J. Witryna13 kwi 2024 · Specifically, the permeability coefficient of the loess with low compaction degree (1.35 g/cm 3) decreases by 87% after the addition of 3% SHP. Moreover, the permeability coefficient of the loess with a compaction degree of 1.50 g/cm 3 decreases from 1.58 × 10 −6 to 7.9 × 10 −8 cm/s.
WitrynaThe semi-arid region of China’s Loess Plateau is characterized by fragile ecosystems and a shortage of water resources. The major natural forest type in this region is the …
WitrynaThe word stems from the German word loss or “loose,” and loess is generally easily eroded by water or blown by wind. Major loess deposits are found in Shaanxi, CHINA, in some of the U.S. plains states, … should you install realtek audio driversWitryna13 kwi 2024 · This phenomenon decreases the water flow capacity while ensuring the water evaporation capacity inside the loess. The findings demonstrate the potential of … should you insulate a garageWitryna1 lut 2024 · The experiments focused on the process and mechanism of loess erosion and the downstream movement of channel mudflow, so the flow rate, water level, and … should you insulate a chicken coopWitrynaLoess is very loose fine soil, and after long-term erosion by runoff and river water, sediment is carried into the Yellow River, turning its water yellow. It can be said that … should you install solar panelsWitryna22 maj 2024 · Loess landslides induced by earthquakes are characterized by large scale, long sliding distance, and a low dip angle, and have caused tremendous damage and destruction (China Earthquake Administration Lanzhou Institute of Seismology 1980; Chen and Shi 2006; Zhang 2015 ). should you insulate a crawl space ceilingWitrynaIn the Loess Plateau, the effects of run-on may be significant, because of the deep and loose surface soil layer. In this study, the role of run-on for overland flow in the Upper Wei River basin, located in the Loess Plateau, is evaluated by means of a simple numerical model at the hillslope scale. should you insulate behind a shower wallWitryna18 lip 2024 · This paper studied the anti-seepage ability of the modified loess by using attapulgite, which is abundant in local areas. The possibility of using the modified loess as the sustainable compacted soil liner material in a solid waste landfill was also considered in this research. The materials were then evaluated using Nuclear … should you insulate attic roof rafters