Search results for "Sorptivity"

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Alternative analysis of transient infiltration experiment to estimate soil water repellency

2019

The repellency index (RI) defined as the adjusted ratio between soil‐ethanol, Se, and soil‐water, Sw, sorptivities estimated from minidisk infiltrometer experiments has been used instead of the widely used water drop penetration time and molarity of ethanol drop tests to assess soil water repellency. However, sorptivity calculated by the usual early‐time infiltration equation may be overestimated as the effects of gravity and lateral capillary are neglected. With the aim to establish the best applicative procedure to assess RI, different approaches to estimate Se and Sw were compared that make use of both the early‐time infiltration equation (namely, the 1 min, S1, and the short‐time linear…

water drop penetration timerepellency index631 - Agricultura. Agronomía. Maquinaria agrícola. Suelos. Edafología agrícolatwo-term infiltration model0208 environmental biotechnologySoil science04 agricultural and veterinary sciences02 engineering and technologysoil hydraulic conductivityinfiltration020801 environmental engineeringInfiltration (hydrology)two‐term infiltration modelsoil sorptivitySoil water040103 agronomy & agriculturesoil water repellencySettore AGR/08 - Idraulica Agraria E Sistemazioni Idraulico-Forestali0401 agriculture forestry and fisheriesEnvironmental scienceminidisk infiltrometerWater Science and Technology
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