NDLI: Migration of moisture under temperature gradient in unsaturated soil

Content Provider	IEEE Xplore Digital Library
Author	Zhu Qian-lin Li Xiao-chun
Copyright Year	2011
Description	Author affiliation: Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China (Zhu Qian-lin; Li Xiao-chun)
Abstract	Soil water infiltration in unsaturated zone is an important part of the atmospheric water circulation, and is important to agriculture and movement of contaminant. Deficiency also exists in understanding the soil water movement in complicated environments because the rigorous survey and observation of the soil water movement is difficult. Soil water exists in different forms in soils, and whose physical properties are dissimilar. We apply the adsorption theories to analyze the interaction between soil particles and water molecules, and analyze the role of those physical properties on soil water movement. Effect of temperature on soil water movement in soil is important. Based on the physical property of the soil water and analyzing composition of soil water potential, we discuss the migration of the water and moisture in soil under the temperature gradient. Combining experiment data, we discuss the possibilities of circulation that the soil water moves from the high temperature area to the low temperature area in vapor form, and the water reflow along soil particle surface in the liquid form from low temperature area to high temperature area under deriving of soil water potential.
Starting Page	4213
Ending Page	4216
File Size	320331
Page Count	4
File Format	PDF
ISBN	9781457702891
e-ISBN	9781457702907
DOI	10.1109/ICETCE.2011.5775865
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Water Temperature distribution Vapor Temperature Soil-water potential Moisture Soil Rocks Unsaturated soil
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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