Infiltration in heterogeneous soil monitored by neutron imaging

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00220814" target="_blank" >RIV/68407700:21110/14:00220814 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21720/14:00220814
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Infiltration in heterogeneous soil monitored by neutron imaging
Original language description
The process of infiltration in near-saturated soil and fate of residual air bubbles was studied using neutron imaging. It is the continuation of previous study on flow instability. Ponding infiltration-outflow experiment conducted at NEUTRA beamline of the Spallation Neutron Source Division, Paul Scherrer Institut aimed at i) characterizing the types of structures susceptible to air trapping, ii) monitoring of entrapped air and water redistribution during steady state flow iii) imaging the process of entrapped air dissolution. Experiments were conducted on series of undisturbed samples of soil from the Cambisol series and on an artificially prepared sample. The latter was composed of coarse sand (representing pathways of fast preferential flow), whichsurrounded blocks of fine ceramic. Cumulative infiltration and outflow fluxes of water were measured gravimetrically by two precision digital scales thus the full water balance data were obtained. Small samples (30 mm in diameter) were us
Czech name
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Czech description
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Project
<a href="/en/project/GA14-03691S" target="_blank" >GA14-03691S: Isothermal and non-isothermal water flow and solute transport in near-saturated porous media</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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