Loess flow
Witryna13 kwi 2024 · This phenomenon decreases the water flow capacity while ensuring the water evaporation capacity inside the loess. The findings demonstrate the potential of … WitrynaSoil erosion in sloping cropland is a major water and soil conservation issue in the Loess Plateau region, one of the main areas with sloping cropland in China. However, the effect of crop root systems, a major factor potentially influencing soil and water conservation in cropland, on farmland erosion, remains unclear. In the present study, soil erosion was …
Loess flow
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WitrynaIn 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. Witryna22 lut 2011 · Loess flow failure. The clay underlying the loess acts as an impermeable layer at Heifangtai. Long-term irrigation has raised the perched water table …
Witryna1 kwi 2024 · Abstract. Loess flow slides can have catastrophic consequences and have, therefore, become a critical research topic in engineering geology. Recent … WitrynaLoess is homogeneous, porous, friable, pale yellow or buff, slightly coherent, typically non-stratified and often calcareous. Loess grains are angular, with little polishing or …
Witryna28 mar 2024 · In this paper, an algorithm based on an object-oriented method (OOA) has been developed to recognize loess landslides by combining spectral, textural, and morphometric information with auxiliary... Witryna17 lip 2013 · Detailed Description. Minnesota Valley Creek Ditch near Loess Bluffs National Wildlife Refuge flows through intensively row-cropped agricultural land. Find out more about this and other agricultural streams sampled by the USGS Midwest Stream Quality Assessment.
WitrynaHeadcut erosion is associated with major hydraulic changes induced by the gully head of concentrated flow. However, the variation in the hydraulic characteristics of the headcut erosion process is still not clear in the gully region of the Loess Plateau. A series of rainfall combined scouring experiments (flow discharges ranging from 3.6 to 7.2 ...
Witryna8 mar 2024 · 1 answer. Feb 21, 2024. preferential flow may be ubiquitous, it is difficult to measure and quantify,since the Loess has deep soil layer. Tracers is sultable but … trachea stlWitrynaloess, an unstratified, geologically recent deposit of silty or loamy material that is usually buff or yellowish brown in colour and is chiefly deposited by the wind. Loess is a … the road audio logWitryna14 kwi 2024 · The high sensitivity of loess slopes to water has been emphasized in many studies. However, it is still limited in terms of the understanding of slope morphological differentiation on the overall and local failure patterns in slopes, as well as on the acquisition method of hydrological dynamics. In this study, rainfall characteristics and … the road audiobook cormac mccarthy freethe road atlas rand mcnallyWitryna8 kwi 2024 · High-intensity rainfall, over-irrigation of agricultural fields, and freeze–thaw cycles induce gradual groundwater infiltration within the upper loess layer, and this water flow generally overflows from slopes (Zhou et al. 2014). The same mechanism leads to pothole erosion and increases the chances of hillslope failure of the walls of gullies ... the road at eastern shoreWitrynaLoess flow Rock dall Subsidence Debris flow/debris avalanche Mudflow Gambar 2. Pergerakan tanah sebagai fungsi dari kadar air dan kecepatan pergerakan (Abbot, 2004) the road audiobook youtubeWitryna13 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. the road atlas