Percolation Theory and its Applicaton for Interpretation of Soil Water Retention Curves
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F04%3A6616" target="_blank" >RIV/60460709:41210/04:6616 - isvavai.cz</a>
Result on the web
—
DOI - Digital Object Identifier
—
Alternative languages
Result language
angličtina
Original language name
Percolation Theory and its Applicaton for Interpretation of Soil Water Retention Curves
Original language description
The soil porous system has traditionally been deduced from the soil-water retention curve with the assumption of homogeneity and free accessibility of pores, defined as capillary tubes,from the sink /source of water. But real soil fabric is modeled as ahomogeneous one. To examine the differences between homogeneous and heterogeneous soil porous systems, we studied two types of soils: sandy soil and coarse sandy soil. We applied image processing filters and the ARC/info gRID module to analyze pore sizesin both soils from their electron microscope images taken at two diffeent magnifications. We used the resulting pore-size distribution data to generate 3-D porous media consisting of pores and throats. The homogeneous pore structure was created as a mono-modal por-throat network with one pore-size distribution. The heterogeneous por structure was designed as a bi-modal pore-throat network with two por-size distributions, where the pore sizes were hierarchically arranged in the modes of
Czech name
Perkolační teorie a její využití pro interpretaci retenční čáry půdní vlhkosti
Czech description
The soil porous system has traditionally been deduced from the soil-water retention curve with the assumption of homogeneity and free accessibility of pores, defined as capillary tubes,from the sink /source of water. But real soil fabric is modeled as ahomogeneous one. To examine the differences between homogeneous and heterogeneous soil porous systems, we studied two types of soils: sandy soil and coarse sandy soil. We applied image processing filters and the ARC/info gRID module to analyze pore sizesin both soils from their electron microscope images taken at two diffeent magnifications. We used the resulting pore-size distribution data to generate 3-D porous media consisting of pores and throats. The homogeneous pore structure was created as a mono-modal por-throat network with one pore-size distribution. The heterogeneous por structure was designed as a bi-modal pore-throat network with two por-size distributions, where the pore sizes were hierarchically arranged in the modes of
Classification
Type
C - Chapter in a specialist book
CEP classification
DF - Pedology
OECD FORD branch
—
Result continuities
Project
—
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2004
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Book/collection name
Invited Presentations College on Soil Physics
ISBN
92-95003-26-8
Number of pages of the result
12
Pages from-to
209-220
Number of pages of the book
—
Publisher name
The Abdus Salam International Centre for Theoretical Physics
Place of publication
Trieste
UT code for WoS chapter
—