THE INFLUENCE OF SALINITY AND SODICITY ON SOIL ERODIBILITY, SEDIMENT TRANSPORT AND DOWNSTREAM WATER QUALITY FROM THREE CONTRASTING SOILS

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DORDIPOUR E.; GHADIRI H.; HUSSEIN J.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2007 | Volume:14 | Issue:4 Page(s): 41-52

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Title

THE INFLUENCE OF SALINITY AND SODICITY ON SOIL ERODIBILITY, SEDIMENT TRANSPORT AND DOWNSTREAM WATER QUALITY FROM THREE CONTRASTING SOILS

Author(s)

DORDIPOUR E. | GHADIRI H. | HUSSEIN J. | Issue Writer Certificate

Keywords

SODICITYQ3

WATER QUALITY OF RUNOFFQ3

SEDIMENT LOSSQ3

AGGREGATE/PARTICLE SIZE DISTRIBUTION OF SEDIMENTQ3

SALT LOSSQ3

Abstract

There is an abundance of literature on many aspects of soil salinity and SODICITY, and the impact of increased salt and sodium on properties, behaviour, management and productivity of soils. Soil SODICITY also increases the rate of crust formation and soil structure breakdown, which in turn lead to a reduction in infiltration rate, an increase in runoff, and eventually increase potential for soil erosion. However the impact of SODICITY on erosion and soil erodibility and sediment transport has received less attention. The aim of this study was to investigate the effects of changing soil SODICITY of three Australian soils on their erodibilities and erosion losses under simulated rainfall. Erosion measurements were carried out on the 1 x 6 m flume of Griffith University's large rainfall simulation facility (GUTSR), with saturating the soils by tapwater and sodic solution, on slops of 1, 3 and 5%, respectively. Statistically analysis was done for trend of variations using regression models. SEDIMENT LOSS increased for both sodium-treated soils with the Redlands soil showing an eight-fold increase. Mean aggregate/particle size of the eroded sediment decreased with increased SODICITY. High sodium concentration thus contributed to the weakening of soil aggregates and their dispersion under the raindrop impact. Electrical conductivity and salt concentration of the runoff decreased exponentially with time from sodium-treated soils.

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APA: Copy

DORDIPOUR, E., GHADIRI, H., & HUSSEIN, J.. (2007). THE INFLUENCE OF SALINITY AND SODICITY ON SOIL ERODIBILITY, SEDIMENT TRANSPORT AND DOWNSTREAM WATER QUALITY FROM THREE CONTRASTING SOILS. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(4), 41-52. SID. https://sid.ir/paper/9314/en

Vancouver: Copy

DORDIPOUR E., GHADIRI H., HUSSEIN J.. THE INFLUENCE OF SALINITY AND SODICITY ON SOIL ERODIBILITY, SEDIMENT TRANSPORT AND DOWNSTREAM WATER QUALITY FROM THREE CONTRASTING SOILS. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2007;14(4):41-52. Available from: https://sid.ir/paper/9314/en

IEEE: Copy

E. DORDIPOUR, H. GHADIRI, and J. HUSSEIN, “THE INFLUENCE OF SALINITY AND SODICITY ON SOIL ERODIBILITY, SEDIMENT TRANSPORT AND DOWNSTREAM WATER QUALITY FROM THREE CONTRASTING SOILS,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 4, pp. 41–52, 2007, [Online]. Available: https://sid.ir/paper/9314/en

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