نتایج جستجو برای: rainfall erosivity

تعداد نتایج: 31842  

Journal: :Earth System Science Data 2022

Abstract. The risk of water erosion on the Tibetan Plateau (TP), a typical fragile ecological area, is increasing with climate change. A rainfall erosivity map useful for understanding spatiotemporal pattern and identifying hot spots soil erosion. This study generates an annual gridded dataset 0.25∘ grid TP in 1950–2020. 1 min precipitation observations at 1787 weather stations 7 years hourly E...

Journal: :Water 2021

Rainfall erosivity factor (R-factor) is one of the Universal Soil Loss Equation (USLE) input parameters that account for impacts rainfall intensity in estimating soil loss. Although many studies have calculated R-factor using various empirical methods or USLE method, these are time-consuming and require specialized knowledge user. The purpose this study to develop machine learning models predic...

Journal: :Han-guk toyang biryo hakoeji 2021

Sustainable soil environment along with available water resources is critical for food security and agricultural productivity. The Korea territory consists of 65% mountainous topography the variability rainfall rapidly increasing due to climate change, thereby a risk erosion. Soil erosion by has been estimated using empirical equations accumulated data over time in U.S. since 1930 s, representa...

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