Improving Hydraulic Conductivity Estimates from Minidisk Infiltrometer Measurements for Soils with Wide Pore-Size Distributions
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F10%3A00168153" target="_blank" >RIV/68407700:21110/10:00168153 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Improving Hydraulic Conductivity Estimates from Minidisk Infiltrometer Measurements for Soils with Wide Pore-Size Distributions
Original language description
Disk infiltrometers are established as standard devices for measuring soil surface hydraulic properties. This study explored the validity of a semiempirical approach that is used to obtain estimates of the near-saturated hydraulic conductivity from diskinfiltrometer data. The approach was compared with two other estimation expressions. The analysis was based on three-dimensional numerical modeling of the infiltration process. The results of the validation procedure showed that the original expression performed best among the compared methods, but still failed for fine-textured soils and the selected Cambisols. The study showed that improved estimates, specifically for fine-textured soils and Cambisols, can be obtained by extending the original approach. This is achieved primarily (i) by using the modified van Genuchten parameterization of soil hydraulic functions, and (ii) by including a more representative set of soils in the objective function when optimizing the estimation formula.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DA - Hydrology and limnology
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GA205%2F08%2F1174" target="_blank" >GA205/08/1174: Hydrological fluxes in soil-plant-atmosphere system</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Soil Science Society of America Journal
ISSN
0361-5995
e-ISSN
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Volume of the periodical
74
Issue of the periodical within the volume
3
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
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UT code for WoS article
000277500600011
EID of the result in the Scopus database
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