نتایج جستجو برای: rainfall erosivity
تعداد نتایج: 31842 فیلتر نتایج به سال:
Soil erosion has become one of the most serious environmental problems worldwide, and rainfall is considered a crucial factor in water erosion. Rainfall erosivity defined as ability precipitation to trigger soil The accurate assessment essential before taking appropriate measures stop or slow down In this study, we calculated China using Xie model two satellite-based products (SPPs). Gauge-base...
Rainfall runoff erosivity (R) is one key climate factor that controls water erosion. Quantifying the effects of climate change–induced erosivity change is important for identifying critical regions prone to soil erosion under a changing environment. In this study we first evaluate the changes of R from 1970 to 2090 across the United States under nine climate conditions predicted by three genera...
Predicting the occurrence of erosive rain events and quantifying corresponding soil loss is extremely useful in all applications where assessing phenomenon impacts required. These problems, addressed literature at different spatial temporal scales according to most diverse approaches, are here by implementing random forest (RF) machine learning models. For this purpose, we used datasets built t...
Today, soil erosion is considered as one of main subjects of watershed management at national and global levels. Assessment of decreasing risk of soil and it spatial distribution are one of key factors for successful evaluation of soil erosion. The objectives of research were calculation and modeling of rain erosivity factor in Ilam province using data of number of 28 pluviometry stations durin...
The summer season raindrop size distribution (DSD) characteristics and their important applications, based on a PARSIVEL2 disdrometer installed in Zhaosu over the western Tianshan Mountains, China, 2020–2021 are studied. Our analysis reveals that, for total rainfall different types, DSD follows normalized gamma model, convective has higher concentration than stratiform at all diameters. For rai...
Soils (Leptosols or Epileptic Regosols) with lithic contact at a depth of 50 cm occupy almost 20% the Brazilian semi-arid region. These soils are susceptible to erosion due faster saturation water-holding capacity during rainfall, which accelerates beginning runoff. However, traits in region Brazil less studied. The aim this study was characterize soil and landscape attributes areas Neossolos L...
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