Capacitive frost depth indicator

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41310%2F18%3A76901" target="_blank" >RIV/60460709:41310/18:76901 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21230/18:00321520
Result on the web
<a href="http://dx.doi.org/10.15159/AR.18.062" target="_blank" >http://dx.doi.org/10.15159/AR.18.062</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.15159/AR.18.062" target="_blank" >10.15159/AR.18.062</a>

Result language
angličtina
Original language name
Capacitive frost depth indicator
Original language description
The depth of soil freezing, i.e., the depth at which water is frozen, is a significant factor in meteorology, as it affects many processes in agriculture, building, etc. Soil frost penetration is an important factor for overwintering organisms, but also for physical and chemical processes in soil, particularly for its mechanical properties. The depth of freezing is normally determined directly, i.e. mechanically, using a special soil freezing meter, i.e., frost-depth indicator, according to the process of water freezing in the probe. Another method lies in determining the soil temperature by the interpolation of the curves from the graph, as measured by soil thermometers according to the change in the resistivity of soil or water, when frozen. The principle of the frost-depth indicator function is to evaluate the temperature dependence of water permittivity, which decreases, when water is frozen, from relative permittivity approx 87 at 1 degree Celsius to relative permittivity approx 3,2 at -1 degree
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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