2021
DOI: 10.2166/ws.2021.290
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Soil moisture migration model based on flux-concentration relation under steady rainfall

Abstract: Moisture content distribution in soil is of great importance for understanding rainfall-induced slope failure and roadbed settlement. This study aims to develop a moisture migration model that improves the quantification of moisture content at an arbitrary point of the soil at any time for the whole process of infiltration under steady rainfall. The model was derived from the Richards' equation using the Flux-concentration relation, which was validated by numerical solutions calculated by Hydrus-1D software to… Show more

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Cited by 3 publications
(1 citation statement)
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“…Global warming has intensified the water cycle and expanded the frequency, range, duration, and severity of heavy rainfall events 1 . Factors such as rainfall infiltration and groundwater rise have a significant influence on the water content distribution of subgrade under balance state 2 4 . The mineral composition and micro-particles of the intact loess undergo physical and chemical reactions after being upon immersion in water.…”
Section: Introductionmentioning
confidence: 99%
“…Global warming has intensified the water cycle and expanded the frequency, range, duration, and severity of heavy rainfall events 1 . Factors such as rainfall infiltration and groundwater rise have a significant influence on the water content distribution of subgrade under balance state 2 4 . The mineral composition and micro-particles of the intact loess undergo physical and chemical reactions after being upon immersion in water.…”
Section: Introductionmentioning
confidence: 99%