Assessment and Analysis of Temperature and Precipitation Return Periods Using Spectral Analysis and its Effect on Land Management (A Case Study: Khodaafarin Area, East Azerbaijan)

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AHMADI O.; Alamdari P.; SERVATI M.; KHOSHZAMAN T.; Shahbaee kootenaee A.

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Journal: Journal of Water and Soil Science Year:2019 | Volume:23 | Issue:1 Page(s): 223-235

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Title

Assessment and Analysis of Temperature and Precipitation Return Periods Using Spectral Analysis and its Effect on Land Management (A Case Study: Khodaafarin Area, East Azerbaijan)

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Keywords

Cycle analysisQ1

Climatic dataQ2

Return periodsQ1

PeriodogramQ1

AgricultureQ2

Abstract

Changes in Climate parameters have been accelerated in the coming age, which can affect agricultural activities directly and indirectly. Temperature and precipitation are the most complex climatic factors. Spectral analysis is a scientific and efficient technique used to recognize and detect the hidden behaviors of these variables. In this research, in order to study and analyze the temperature and precipitation Return periods using spectral analysis, the statistics of climate parameters (precipitation, mean, maximum and minimum temperature) for a period of 27 years (1989-2015) were used for the sustainable land management. For this purpose, the Climatic data of temperature and precipitation entered the MATLAB software environment and Periodogram of each of the climatic parameters was drawn in a separate way. The results of each Periodogram study showed that the absolute minimum of temperature had significant cycles with the Return periods of 3. 8 and 2. 4 years; the absolute maximum of temperature had a significant cycle with a return period of 2. 1 years and the mean temperature was significant with a return period of 2. 7 years. Also, the review of the Periodogram related to precipitation showed a significant cycle with a return period of 3. 4 years. The Results from studying cycles indicated the existence of short-term Return periods for climate variables in the region. Given this issue and the need to protect agricultural products, especially garden products, it should be done by applying water and soil resources management methods, including creating terraces and increasing soil roughness; Also, cultivation of appropriate plant species for the suitable regional climatic conditions, Drought resistant and low water requirement, the most optimal conditions could be created for the cultivation of horticultural and agricultural products.

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APA: Copy

AHMADI, O., Alamdari, P., SERVATI, M., KHOSHZAMAN, T., & Shahbaee kootenaee, A.. (2019). Assessment and Analysis of Temperature and Precipitation Return Periods Using Spectral Analysis and its Effect on Land Management (A Case Study: Khodaafarin Area, East Azerbaijan). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 23(1 ), 223-235. SID. https://sid.ir/paper/395014/en

Vancouver: Copy

AHMADI O., Alamdari P., SERVATI M., KHOSHZAMAN T., Shahbaee kootenaee A.. Assessment and Analysis of Temperature and Precipitation Return Periods Using Spectral Analysis and its Effect on Land Management (A Case Study: Khodaafarin Area, East Azerbaijan). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2019;23(1 ):223-235. Available from: https://sid.ir/paper/395014/en

IEEE: Copy

O. AHMADI, P. Alamdari, M. SERVATI, T. KHOSHZAMAN, and A. Shahbaee kootenaee, “Assessment and Analysis of Temperature and Precipitation Return Periods Using Spectral Analysis and its Effect on Land Management (A Case Study: Khodaafarin Area, East Azerbaijan),” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 23, no. 1 , pp. 223–235, 2019, [Online]. Available: https://sid.ir/paper/395014/en

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