Analysis of the Effect of Actual Shaded Area Estimation Using Remote Sensing in Evaluation of Water Requirement Estimation of Orchards in the Design and Operation Phase of Local Irrigation (case study: Qazvin Province)

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NAZARI BIJAN; Younesi Mahdi

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Paper Information

Journal: Iranian Journal of Irrigation and Drainage Year:2020 | Volume:13 | Issue:6 Page(s): 1601-1611

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Title

Analysis of the Effect of Actual Shaded Area Estimation Using Remote Sensing in Evaluation of Water Requirement Estimation of Orchards in the Design and Operation Phase of Local Irrigation (case study: Qazvin Province)

Author(s)

NAZARI BIJAN | Younesi Mahdi | Issue Writer Certificate

Keywords

Shaded AreaQ1

Drip IrrigationQ1

Water RequirementQ1

Remote SensingQ2

Irrigation ManagementQ2

Abstract

In the localized irrigation method, determining the surface of the shaded of trees is very important in estimating Water Requirement and water use management. In this study, it was used to estimate the Shaded Area of satellite imagery processing. According to the results, the Shaded Area of grape trees in real conditions 7. 11% more than conventional values in the design of irrigation systems. The actual Shaded Area in olive, pear and apple, peach and nectarine, cherry and sour cherry and walnut are also 7. 35, 3. 21, 3. 28, 8. 48 and 4. 32% less than conventional values in local irrigation design. In irrigation schemes, the surface area of the shade of grapes and other trees are usually 50 and 70%, and the constant is considered, while the average level of shaded for all trees is about 46%. Therefore, in most of the projects, estimation of Shaded Area and Water Requirement is estimated. In reality, depending on factors such as garden type, age of tree, growth conditions. The Shaded Area is variable and is different from the estimated values. Imperise estimation of Water Requirement leads to error in irrigation planning, reduction in crop yield and water resources overuse. So, Shaded Area needs to be adjusted in any system during operation, with satellite imagery or other tools, measurement and irrigation plan based on the updated estimation of Water Requirement.

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APA: Copy

NAZARI, BIJAN, & Younesi, Mahdi. (2020). Analysis of the Effect of Actual Shaded Area Estimation Using Remote Sensing in Evaluation of Water Requirement Estimation of Orchards in the Design and Operation Phase of Local Irrigation (case study: Qazvin Province). IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 13(6 ), 1601-1611. SID. https://sid.ir/paper/131813/en

Vancouver: Copy

NAZARI BIJAN, Younesi Mahdi. Analysis of the Effect of Actual Shaded Area Estimation Using Remote Sensing in Evaluation of Water Requirement Estimation of Orchards in the Design and Operation Phase of Local Irrigation (case study: Qazvin Province). IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2020;13(6 ):1601-1611. Available from: https://sid.ir/paper/131813/en

IEEE: Copy

BIJAN NAZARI, and Mahdi Younesi, “Analysis of the Effect of Actual Shaded Area Estimation Using Remote Sensing in Evaluation of Water Requirement Estimation of Orchards in the Design and Operation Phase of Local Irrigation (case study: Qazvin Province),” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 13, no. 6 , pp. 1601–1611, 2020, [Online]. Available: https://sid.ir/paper/131813/en

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