NDLI: Effect of seasonal weather variations on the desiccation behavior of treated oil sand fine tailings

Content Provider	Springer Nature Link
Author	Owolagba, John Azam, Shahid
Copyright Year	2015
Abstract	The main objective of this investigation was to understand the desiccation behavior of treated oil sand fine tailings. A numerical model was developed to understand the interaction of material properties with the climatic parameters. The material properties included a depositional solids content of 60 %, an air entry value of 1000 kPa and a residual suction of 3,0000 kPa, a J-shaped shrinkage curve, a saturated hydraulic conductivity of 3 × 10$^{−10}$ m/s, and a vapor conductivity of 5 × 10$^{−13}$ m/s. Likewise, the climate data indicated the presence of three distinct seasons (winter, spring, and summer). Under the mean climate conditions, desiccation at the surface is negligible till the end of March (99 % saturation) but picks up during the remainder of the year to 70 % in May, 76 % in September, and 88 % in December. Furthermore, de-saturation occurs up to about 4 m beyond which the deposit is not affected by atmospheric parameters. The corresponding values of soil properties at the surface by the end of May and the end of September are as follows: soil suction 2500 and 1900 kPa, solids content 72 and 71 %, and settling potential 25 and 20 %.
Starting Page	1711
Ending Page	1717
Page Count	7
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	74
Issue Number	2
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-02-22
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Soil–atmosphere interaction Fluxes Material properties Climatic parameters Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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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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Response to Liu et al.: Rebuttal to “Effect of seasonal weather variations on the desiccation behavior of treated oil sand fine tailings” by Owolagba and Azam (Environ Earth Sci 2015, 74(2): 1711–1717)

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Response to Liu et al.: Rebuttal to “Effect of seasonal weather variations on the desiccation behavior of treated oil sand fine tailings” by Owolagba and Azam (Environ Earth Sci 2015, 74(2): 1711–1717)

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