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Exploration of the interaction between hydraulic and physicochemical properties of Syrian soils

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Abstract
In arid and semiarid areas, the availability of reliable data for water retention in relation to soil type, texture, and soil carbonate content is low. It is therefore desirable to explore the interaction between soil hydraulic properties and other physical and chemical properties to estimate the soil water retention curve (SWRC) from easily measured soil parameters. In this study, 72 soil samples were collected from rural areas throughout northwest Syria, covering most of its agroclimatic zones and soil types. Soil water content at different matric potentials and 11 chemical and physical soil properties were determined. A Pearson correlation matrix was computed on which principal component analysis was applied to three soil water contents, -1, -33, and -1500 kPa, and the 11 soil properties. Four principal components (PCs) explained 77% of the variation in the data set. The three soil water contents were highly linked to PC1, which was correlated with the plastic limit, texture, soil carbonate content, and specific surface area. In addition, the soil water content at -1 kPa was also linked to PC4, which was correlated with bulk density. Therefore, from the initial 11 soil properties, seven contributed to the three soil water contents (plastic limit, texture, soil carbonate, specific surface area, and bulk density); the remaining four (organic matter, gravel, cation exchange capacity, and hygroscopic water content) had a negligible influence. Consequently, pedotransfer functions might be estimated using the original seven, from the initial 11, soil properties or their corresponding PCs to estimate the SWRC.
Keywords
Syria, hydraulic properties, soil, MODEL, CURVE, CARBON, ORGANIC-MATTER, BULK-DENSITY, MOISTURE RETENTION, PEDOTRANSFER FUNCTIONS, WATER-RETENTION CHARACTERISTICS, PARTICLE-SIZE DISTRIBUTION, arid

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Please use this url to cite or link to this publication:

MLA
Khlosi, Muhammed, Wim Cornelis, Ahmed Douaik, et al. “Exploration of the Interaction Between Hydraulic and Physicochemical Properties of Syrian Soils.” VADOSE ZONE JOURNAL 12.4 (2013): n. pag. Print.
APA
Khlosi, M., Cornelis, W., Douaik, A., Hazzouri, A., Habib, H., & Gabriëls, D. (2013). Exploration of the interaction between hydraulic and physicochemical properties of Syrian soils. VADOSE ZONE JOURNAL, 12(4).
Chicago author-date
Khlosi, Muhammed, Wim Cornelis, Ahmed Douaik, Abbas Hazzouri, Hassan Habib, and Donald Gabriëls. 2013. “Exploration of the Interaction Between Hydraulic and Physicochemical Properties of Syrian Soils.” Vadose Zone Journal 12 (4).
Chicago author-date (all authors)
Khlosi, Muhammed, Wim Cornelis, Ahmed Douaik, Abbas Hazzouri, Hassan Habib, and Donald Gabriëls. 2013. “Exploration of the Interaction Between Hydraulic and Physicochemical Properties of Syrian Soils.” Vadose Zone Journal 12 (4).
Vancouver
1.
Khlosi M, Cornelis W, Douaik A, Hazzouri A, Habib H, Gabriëls D. Exploration of the interaction between hydraulic and physicochemical properties of Syrian soils. VADOSE ZONE JOURNAL. 2013;12(4).
IEEE
[1]
M. Khlosi, W. Cornelis, A. Douaik, A. Hazzouri, H. Habib, and D. Gabriëls, “Exploration of the interaction between hydraulic and physicochemical properties of Syrian soils,” VADOSE ZONE JOURNAL, vol. 12, no. 4, 2013.
@article{4095008,
  abstract     = {In arid and semiarid areas, the availability of reliable data for water retention in relation to soil type, texture, and soil carbonate content is low. It is therefore desirable to explore the interaction between soil hydraulic properties and other physical and chemical properties to estimate the soil water retention curve (SWRC) from easily measured soil parameters. In this study, 72 soil samples were collected from rural areas throughout northwest Syria, covering most of its agroclimatic zones and soil types. Soil water content at different matric potentials and 11 chemical and physical soil properties were determined. A Pearson correlation matrix was computed on which principal component analysis was applied to three soil water contents, -1, -33, and -1500 kPa, and the 11 soil properties. Four principal components (PCs) explained 77% of the variation in the data set. The three soil water contents were highly linked to PC1, which was correlated with the plastic limit, texture, soil carbonate content, and specific surface area. In addition, the soil water content at -1 kPa was also linked to PC4, which was correlated with bulk density. Therefore, from the initial 11 soil properties, seven contributed to the three soil water contents (plastic limit, texture, soil carbonate, specific surface area, and bulk density); the remaining four (organic matter, gravel, cation exchange capacity, and hygroscopic water content) had a negligible influence. Consequently, pedotransfer functions might be estimated using the original seven, from the initial 11, soil properties or their corresponding PCs to estimate the SWRC.},
  author       = {Khlosi, Muhammed and Cornelis, Wim and Douaik, Ahmed and Hazzouri, Abbas  and Habib, Hassan and Gabriëls, Donald},
  issn         = {1539-1663},
  journal      = {VADOSE ZONE JOURNAL},
  keywords     = {Syria,hydraulic properties,soil,MODEL,CURVE,CARBON,ORGANIC-MATTER,BULK-DENSITY,MOISTURE RETENTION,PEDOTRANSFER FUNCTIONS,WATER-RETENTION CHARACTERISTICS,PARTICLE-SIZE DISTRIBUTION,arid},
  language     = {eng},
  number       = {4},
  pages        = {11},
  title        = {Exploration of the interaction between hydraulic and physicochemical properties of Syrian soils},
  url          = {http://dx.doi.org/10.2136/vzj2012.0209},
  volume       = {12},
  year         = {2013},
}

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