COMPUTER MODEL FOR COMPUTATION OF THE PARAMETERS OF FURROW GEOMETRY FUNCTIONS

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SOROUSH F.; MOSTAFAZADEHFARD B.

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Journal: Journal of Water and Soil Year:2008 | Volume:22 | Issue:2 Page(s): 272-284

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Title

COMPUTER MODEL FOR COMPUTATION OF THE PARAMETERS OF FURROW GEOMETRY FUNCTIONS

Author(s)

SOROUSH F. | MOSTAFAZADEHFARD B. | Issue Writer Certificate

Keywords

FURROW CROSS SECTIONQ3

SIMULATIONQ2

GEOMETRY FUNCTIONSQ3

SURFACE IRRIGATIONQ3

Abstract

Furrow irrigation is one of the oldest methods of irrigation in which soil surface is used to convey and infiltrate water. The furrow geometry data are used for design, evaluation and SIMULATION of furrow irrigation. With furrow geometry data, the furrow infiltration, irrigation efficiency and furrow erosion and sedimentation can be estimated more precisely. Furrow geometry is expressed with some power functions and the coefficients of these functions are used as input for SURFACE IRRIGATION models. In this article, a computer program with Matlab version 7 was written to calculate the FURROW CROSS SECTION functions. The functions are power functions and second order polynomial. To evaluate the model, two cross section data of a furrow irrigation field were used. The model predictions were compared with the two-point method of Elliott and Walker and the results showed that the coefficients of FURROW CROSS SECTION equations obtained by the Elliott and Walker are different with the model output. The results showed that the model is capable to predict the field cross-sectional data with high accuracy. The comparison of coefficient of determinations of the fitted power function and second order polynomial function to the field data showed that both functions can predict the field data closely.

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APA: Copy

SOROUSH, F., & MOSTAFAZADEHFARD, B.. (2008). COMPUTER MODEL FOR COMPUTATION OF THE PARAMETERS OF FURROW GEOMETRY FUNCTIONS. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 22(2), 272-284. SID. https://sid.ir/paper/141562/en

Vancouver: Copy

SOROUSH F., MOSTAFAZADEHFARD B.. COMPUTER MODEL FOR COMPUTATION OF THE PARAMETERS OF FURROW GEOMETRY FUNCTIONS. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2008;22(2):272-284. Available from: https://sid.ir/paper/141562/en

IEEE: Copy

F. SOROUSH, and B. MOSTAFAZADEHFARD, “COMPUTER MODEL FOR COMPUTATION OF THE PARAMETERS OF FURROW GEOMETRY FUNCTIONS,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 22, no. 2, pp. 272–284, 2008, [Online]. Available: https://sid.ir/paper/141562/en

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