INTRODUCING A SIMPLE METHOD FOR CALCULATING HYDRAULIC PARAMETERS BY BEERKAN INFILTRATION EXPERIMENT

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AHMADY TAROKH; AFRASYAB PEYMAN; DELBARI MASOOMEH

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Journal: Journal of Water and Irrigation Management Year:2016 | Volume:6 | Issue:1 Page(s): 135-147

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Title

INTRODUCING A SIMPLE METHOD FOR CALCULATING HYDRAULIC PARAMETERS BY BEERKAN INFILTRATION EXPERIMENT

Author(s)

AHMADY TAROKH | AFRASYAB PEYMAN | DELBARI MASOOMEH | Issue Writer Certificate

Keywords

ALPHA PARAMETERQ1

BEERKANQ1

BESTSLOPE ALGORITHMQ2

SATURATED HYDRAULIC CONDUCTIVITYQ1

SORPTIVITYQ2

Abstract

The BEERKAN single ring infiltration experiment is receiving more attention because of its simplicity and low expense in running in recent years. BEST slope algorithm is the original algorithm in BEERKAN experiment, which estimates some soil hydraulic properties such as SATURATED HYDRAULIC CONDUCTIVITY (Ks) and SORPTIVITY coefficient (S).The purpose of this research is to compare the performance of BEST slope algorithm with a simple proposed method and to determine the value of a constant parameter as the ratio of gravity force to capillary force (α) for loam and sandy loam soils. For this purpose, a number of 113 BEERKAN infiltration experiments were carried out in Sistan research field. The results showed that the estimated Ks values for 31 selected experiments, in which the relative fitting error (Er) for each test is less than 5.5% are similar to those obtained for 59 selected experiments having an average Er of less than 5.5%. However, these results were largely different from those obtained for 101 selected experiments having an average Er of less than 10%. Overall, the magnitude of α for loam and sandy loam soils of study area was determined as the average of two α values obtained for 31 and 59 selected experiments and it is equal to 0.013.

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APA: Copy

AHMADY, TAROKH, AFRASYAB, PEYMAN, & DELBARI, MASOOMEH. (2016). INTRODUCING A SIMPLE METHOD FOR CALCULATING HYDRAULIC PARAMETERS BY BEERKAN INFILTRATION EXPERIMENT. JOURNAL OF WATER AND IRRIGATION MANAGEMENT, 6(1 ), 135-147. SID. https://sid.ir/paper/240033/en

Vancouver: Copy

AHMADY TAROKH, AFRASYAB PEYMAN, DELBARI MASOOMEH. INTRODUCING A SIMPLE METHOD FOR CALCULATING HYDRAULIC PARAMETERS BY BEERKAN INFILTRATION EXPERIMENT. JOURNAL OF WATER AND IRRIGATION MANAGEMENT[Internet]. 2016;6(1 ):135-147. Available from: https://sid.ir/paper/240033/en

IEEE: Copy

TAROKH AHMADY, PEYMAN AFRASYAB, and MASOOMEH DELBARI, “INTRODUCING A SIMPLE METHOD FOR CALCULATING HYDRAULIC PARAMETERS BY BEERKAN INFILTRATION EXPERIMENT,” JOURNAL OF WATER AND IRRIGATION MANAGEMENT, vol. 6, no. 1 , pp. 135–147, 2016, [Online]. Available: https://sid.ir/paper/240033/en

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