نتایج جستجو برای: erosivity

تعداد نتایج: 371  

Journal: :Hydrology and Earth System Sciences 2015

Journal: :Japanese Geotechnical Society Special Publication 2016

Journal: :Catena 2021

Heavy rainstorms play a central role in the water-driving soil erosion processes. An in-depth knowledge about temporal and spatial erosivity of rainfall events is required to gain better understanding processes optimize protection measures efficiency. In this study, spatiotemporal distribution more than 300,000 erosive measured at 1181 locations, part Rainfall Erosivity Database European Scale ...

1999
VITO FERRO PAOLO PORTO BOFU YU

In this paper, using Sicilian and Australian rainfall intensity data, a comparison between different estimators (modified Fournier index F, FF index) of the rainfall erosivity factor in the USLE was made. The relationship between the modified Fournier index and the mean annual rainfall, P, was theoretically derived. The K constant, linking the FF index and P, and its cumulative distribution fun...

Elham Sirjani Majid Mahmoodabadi

Soil detachment is known as an important process in soil erosion and its quantification is necessary to establish a basic understanding of erosion. This study was carried out to find the best flow erosivity indicator(s) for predicting detachment rate at low slopes. For this purpose, 12 experiments including 6 flow discharges (75, 100, 125, 150, 175 and 200 ml/s) and 2 slope gradients (1.5 and 2...

Journal: :JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 2016

Journal: :Revista Brasileira de Ciência do Solo 2014

Journal: :Quaestiones Geographicae 2021

Abstract There have been many studies on rainfall erosivity and density (ED). However, it was not widely developed in Indonesia as a tropical country has unique precipitation patterns. They are indicators for assessing the potential risk of soil erosion. The Air Bengkulu Watershed is undergoing severe land degradation due to This study aimed analyze spatial-temporal ED based monthly data (mm). ...

Journal: :Applied Ecology and Environmental Research 2019

Journal: :Latin American Data in Science 2021

Soil erosion is a serious agricultural and environmental problem considered as threat to sustainable development around the world. Rainfall primary cause of soil erosion, what leads knowledge its potential (rainfall erosivity – R-factor) be valuable tool for design land conservation best practices. As Brazil has lack information about rainfall erosivity, present paper determined R-factor 141 pl...

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