Abstract
The goal of this study was to reveal the quantitative interrelations between the thermophysical indices (thermal conductivity and thermal diffusivity) and physical soil properties such as; moisture content, density and detachability. According to the research targets, the soil samples including different genesis and soil particle size distribution were taken in different soil and climatic zones of the Altai Region. These were the sod-podzolic sandy loam soils of the dry steppes, chernozems and chestnut soils of light and medium loamy particle size distribution of temperately arid zone, and the heavy loamy gray forest soils and clayey chernozems of the Altai foothills and low mountains. The samples of undisturbed structures in different soil horizons were studied. To measure the thermophysical properties in laboratory setting, a pulse method of a two-dimensional heat source was used. The method takes into account the patterns of temperature field equalization in an unbounded medium after the heat source termination. A feature of this process is the occurrence of peak temperature at the investigated point of the medium at a given instant. The knowledge of this temperature and time enables to determine the soil thermal capacity, thermal conductivity and thermal diffusivity.
References
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- Panfilov, V.P., Makarychev, S.V., Lunin, A.I., Tchashina, N.I., 1982. Some regularities of moisture-heat transfer in soils of different texture. Problems of Soil Science. Soviet pedologists to the XII International Congress of Soil Science, Moscow, Russia. p.13-18.
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Abstract
References
- Arkhangelskaya, T. A., 2014. Diversity of thermal conditions within the paleocryogenic soil complexes of the East European Plain: The discussion of key factors and mathematical modeling. Geoderma 213: 608-616.
- Bolotov, A.G., Makarychev, S.V., 2015. Hydrophysical properties of the soils of the south-east of West Siberia. ASAU Publishing Division. Barnaul, Russia. 129 pp. [in Russian].
- Cudnovskiy, A.F., 1976. Soil thermal physics. Nauka. Moscow, Russia. 352 pp. [in Russian].
- Ekberli, I., 2006. Determination of initial unconditional solution of heat conductivity equation for evaluation of temperature variance in finite soil layer. Journal of Applied Science 6(7): 1520- 1526.
- Gülser, C., Ekberli, I., 2004. A Comparison of estimated and measured diurnal soil temperature through a clay soil depth. Journal of Applied Science 4(3): 418-423.
- Kaye, G.W.C., Laby, T.H., 1995. Tables of physical and chemical constants. Longman. 16 th edition, UK. 611 pp.
- Makarychev, S.V., Mazirov, M.A., 1996. Soil thermal physics: methodology and properties. Vol. 2. VRIA. Suzdal, Russia. 231 pp. [in Russian].
- Mikayilov, F.D., Shein, E.V., 2010. Theoretical principles of experimental methods for determining the thermal diffusivity of soils. Eurasian Soil Science 43(5): 556–564.
- Nerpin, S.V., Chudnovskiy, A.F., 1970. Physics of the soil (Translated from Russian, 1967) Isreal program for scientific translations, Keter Press, Jerusalem, Israel. pp.194–233.
- Panfilov, V.P., Makarychev, S.V., Lunin, A.I., Tchashina, N.I., 1982. Some regularities of moisture-heat transfer in soils of different texture. Problems of Soil Science. Soviet pedologists to the XII International Congress of Soil Science, Moscow, Russia. p.13-18.
- Voronin, A.D., 1984. Structural-functional hydrophysics of soils. MSU Publishing Division. Moscow, Russia. 204 pp. [in Russian].
Details
| Journal Section | Articles |
|---|---|
| Authors | |
| Publication Date | September 9, 2016 |
| Published in Issue | Year 2016 |