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Galal, M., Abd El-Moniem, M. (2001). EVALUATING OF USING SOME PEDOTRANSFER FUNCTIONS TO ESTIMATE HYDRAULIC PROPERTIES OF SOME SOILS IN EGYPT.. Journal of Soil Sciences and Agricultural Engineering, 26(11), 7371-7379. doi: 10.21608/jssae.2001.257001
M. E. Galal; M. Abd El-Moniem. "EVALUATING OF USING SOME PEDOTRANSFER FUNCTIONS TO ESTIMATE HYDRAULIC PROPERTIES OF SOME SOILS IN EGYPT.". Journal of Soil Sciences and Agricultural Engineering, 26, 11, 2001, 7371-7379. doi: 10.21608/jssae.2001.257001
Galal, M., Abd El-Moniem, M. (2001). 'EVALUATING OF USING SOME PEDOTRANSFER FUNCTIONS TO ESTIMATE HYDRAULIC PROPERTIES OF SOME SOILS IN EGYPT.', Journal of Soil Sciences and Agricultural Engineering, 26(11), pp. 7371-7379. doi: 10.21608/jssae.2001.257001
Galal, M., Abd El-Moniem, M. EVALUATING OF USING SOME PEDOTRANSFER FUNCTIONS TO ESTIMATE HYDRAULIC PROPERTIES OF SOME SOILS IN EGYPT.. Journal of Soil Sciences and Agricultural Engineering, 2001; 26(11): 7371-7379. doi: 10.21608/jssae.2001.257001

EVALUATING OF USING SOME PEDOTRANSFER FUNCTIONS TO ESTIMATE HYDRAULIC PROPERTIES OF SOME SOILS IN EGYPT.

Article 6, Volume 26, Issue 11, November 2001, Page 7371-7379  XML PDF (667.95 K)
Document Type: Original Article
DOI: 10.21608/jssae.2001.257001
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Authors
M. E. Galal1; M. Abd El-Moniem2
1Soils Dept ,Fac.Agric, Ain Shams Univ., Cairo Egypt
2Soils and water Res.Dept., Atomic Energy Authority ,Egypt
Abstract
Pedotransfer functions are commonly used in computer program to estimate the hydraulic parameters of soils . Rosetta and also RETC are computer codes which use some surrogate data to estimate and analyze soil water retention and conductivity data . So, to evaluate the used pedotransfer functions in both programs the estimated values were compared with the observed ones using five soil samples represent four texture classes . The estimated data of both theta (h) or K(theta) were fitted well with the observed ones ,but the degree of accuracy were differ . RETC program is more accurate than the Rosetta one in estimating the hydraulic parameters . Both Rosetta and RETC programs were highly precision in light textured soils because the used pedotransfer functions at them are based on neural network analysis of data base of California and Arizona soils . Generally, RETC code can be used to estimate the hydraulic parameters of some soils of Egypt, especially the light textured ones .
Keywords
Pedotransfer functions; Rosetta program; RETC program
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