Temperature influences water sorptivity of soil aggregates

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Title:Temperature influences water sorptivity of soil aggregates
Creators:
Czachor, Henryk; hczachor at demeter dot ipan dot lublin dot pl; Institute of Agrophysics, Polish Academy of Sciences, ul. Doswiadczalna 4, 20 290 Lublin, Poland.
Lichner, Ľubomír; Institute of Hydrology, Slovak Academy of Sciences, Račianska 75, 831 02 Bratislava 3, Slovakia.
Journal or Publication Title:
Journal of Hydrology and Hydromechanics, 61, 1, pp. 84-87
Uncontrolled Keywords:Soil, Aggregate, Sorptivity, Temperature, Water repellency

Abstract

The aim of this study was to determine the potential development of water sorptivity of soil aggregates by heating. Soil aggregates were sampled from arable layer of 5 Polish soils: Haplic Luvisol 1 from Czesławice, Haplic Luvisol 2 from Wierzchucinek, Haplic Cambisol from Felin, Gleyic Mollic Cambisol from Chylice, and Haplic Phaeozem from Grabiec. Three aggregates of each soil type with minimum diameter between 4 and 10 mm were heated in the oven for at least 3 hours at temperatures 20, 100, 200, 250, and 360ºC. After each temperature treatment the soil aggregates were conditioned at the room temperature for 16 hours. Laboratory measurements of water sorptivity of soil aggregates were performed under a negative tension h0 = –2 cm using tension infiltrometer. It was found that the exposure to temperatures between 100 and 200°C tends to decrease water sorptivity of aggregates from all the studied soils but one (Haplic Luvisol 1), followed by about two- to four-fold increase in water sorptivity for exposure to temperatures of 250°C (in Haplic Luvisol 1, Haplic Luvisol 2, and Haplic Phaeozem) or 360°C (in Haplic Cambisol and Gleyic Mollic Cambisol).

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Title:Temperature influences water sorptivity of soil aggregates
Translated title:Temperature influences water sorptivity of soil aggregates
Creators:
Czachor, Henryk; hczachor at demeter dot ipan dot lublin dot pl; Institute of Agrophysics, Polish Academy of Sciences, ul. Doswiadczalna 4, 20 290 Lublin, Poland.
Lichner, Ľubomír; Institute of Hydrology, Slovak Academy of Sciences, Račianska 75, 831 02 Bratislava 3, Slovakia.
Uncontrolled Keywords:Soil, Aggregate, Sorptivity, Temperature, Water repellency
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Mathematics, Physics and Earth Sciences > Institute of Hydrodynamics > Journal of Hydrology and Hydromechanics
Journal or Publication Title:Journal of Hydrology and Hydromechanics
Volume:61
Number:1
Page Range:pp. 84-87
ISSN:0042-790X
Publisher:Institute of Hydrology of the Slovak Academy of Sciences and the Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic
Related URLs:
URLURL Type
http://avi.lib.cas.cz/node/55Publisher
ID Code:7672
Item Type:Article
Deposited On:26 Mar 2013 15:39
Last Modified:26 Mar 2013 14:39

Citation

Czachor, Henryk; Lichner, Ľubomír (2013) Temperature influences water sorptivity of soil aggregates. Journal of Hydrology and Hydromechanics, 61 (1). pp. 84-87. ISSN 0042-790X

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