Study of Common Drainage Equations’ Accuracy in Determination of Subsurface Drains Distance in Moghan region

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

AKHAVAN K.; Mohammadkhani z.; SADRADDINI A.A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE) Year:2018 | Volume:28 | Issue:2 Page(s): 139-150

Download Full-Text

Persian Verion

View:

662

Download:

Cites:

Information Journal Paper

Title

Study of Common Drainage Equations’ Accuracy in Determination of Subsurface Drains Distance in Moghan region

Author(s)

AKHAVAN K. | Mohammadkhani z. | SADRADDINI A.A. | Issue Writer Certificate

Keywords

DesigningQ2

Drainage equationsQ2

MoghanQ2

Subsurface drainageQ2

Abstract

Due to low rainfall and high evaporation in climatic conditions of Iran, improper management of irrigation practices has resulted in salinity and waterlogging of many lands. By attention to importance of the research on drainage issue and drainage problems of 20, 000 ha agricultural lands in Moghan region, this research was conducted to identify the appropriate equation for determining subsurface drains’ spacing (s. d. s. ) in an experimental field with the area of 18 ha, located in section 807, branch 3, of Agro-Industry of Moghan. Three drainage systems with spacings of 50, 100 and 150 meters between the drainage pipes having 200 meters’ lengths, were constructed in the experimental field. After beginning the irrigation, the measurements of water levels and drainage out-flows were performed. Comparison of the methods for determining the suitable distances between the subsurface drains had that the Hammad, Bouwer & van schilfgard and vanschilfgard equations showed the most accurate results with 3, 6 and 7 average deviation percentages from subsurface drains’ actual spacings, respectively. Among the conventional equations for determining the s. d. s., the Bouwer & Vanschilfgard, Dumm, Glover and Vanschilfgard equations were recommended, respectively. The accuracy of these equations did not have a considerable difference with each other. Although, the efficiencies of the established drainage systems with 50 and 150 meters’ distances between drains were approximately identical, a system with 100 meters’ distance for drains was recommended to increase the degree of reliability.

Cites

No record.

References

No record.

Cite

APA: Copy

AKHAVAN, K., Mohammadkhani, z., & SADRADDINI, A.A.. (2018). Study of Common Drainage Equations’ Accuracy in Determination of Subsurface Drains Distance in Moghan region. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), 28(2 ), 139-150. SID. https://sid.ir/paper/147908/en

Vancouver: Copy

AKHAVAN K., Mohammadkhani z., SADRADDINI A.A.. Study of Common Drainage Equations’ Accuracy in Determination of Subsurface Drains Distance in Moghan region. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE)[Internet]. 2018;28(2 ):139-150. Available from: https://sid.ir/paper/147908/en

IEEE: Copy

K. AKHAVAN, z. Mohammadkhani, and A.A. SADRADDINI, “Study of Common Drainage Equations’ Accuracy in Determination of Subsurface Drains Distance in Moghan region,” WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), vol. 28, no. 2 , pp. 139–150, 2018, [Online]. Available: https://sid.ir/paper/147908/en

Related Journal Papers