Analysis of the Effect of Climatic Parameters and Meteorological Droughts on the Variation of Internal Dust Events (A Case Study: Qazvin City)

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ZANDIFAR S.; Ebrahimikhusfi Z.; KHOSROSHAHI M.; NAEIMI M.

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Journal: Journal of Water and Soil Science Year:2020 | Volume:24 | Issue:3 Page(s): 239-256

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Title

Analysis of the Effect of Climatic Parameters and Meteorological Droughts on the Variation of Internal Dust Events (A Case Study: Qazvin City)

Author(s)

ZANDIFAR S. | Ebrahimikhusfi Z. | KHOSROSHAHI M. | NAEIMI M. | Issue Writer Certificate

Keywords

Wind ErosionQ1

Dust Storm IndexQ1

Climate ChangeQ2

Linear RegressionQ1

QazvinQ2

Abstract

The occurrence of Wind Erosion and the spread of dust particles can be regarded as one of the most important and threatening environmental factors. Climate Change and the frequency of droughts have played an important role in exacerbating or weakening these events. The primary objective of the present study was to investigate the trend of changes in four important climatic elements (precipitation, temperature, wind speed and relative humidity) and Dust Storm Index (DSI) in Qazvin city using the Mann-Kendall pre-whitened test and to determine the relationship between them based on the multiple Linear Regression method. Assessment of the meteorological drought status based on two standardized precipitation index and standardized precipitation, as well as the evapotranspiration index and analysis of their effect on activity level of dust events, was the other objective of this study in the study area. For this purpose, after preparing and processing the climatic data and calculating the Dust Storm Index, the trend of changes and the relationship between climatic parameters and dust events were investigated. The results showed that the changes of trend in the annual precipitation and relative humidity in Qazvin city were increasing, while the trend of annual changes in the wind speed and the mean air temperature was a decreasing one. Investigation of the monthly changes in the dust events also showed that there was a sharp decrease in the occurrence of Wind Erosion and the spread of domestic dust particles only in July. On a seasonal scale, with the exception of winter that has been reported without trends, in other seasons, the intensity of these events was significantly reduced. The effect of the meteorological drought on Wind Erosion was estimated to be 11% at the confidence level of 99%. In general, these findings indicate a decreasing trend of land degradation and desertification caused by Wind Erosion in Qazvin...

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APA: Copy

ZANDIFAR, S., Ebrahimikhusfi, Z., KHOSROSHAHI, M., & NAEIMI, M.. (2020). Analysis of the Effect of Climatic Parameters and Meteorological Droughts on the Variation of Internal Dust Events (A Case Study: Qazvin City). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 24(3 ), 239-256. SID. https://sid.ir/paper/389859/en

Vancouver: Copy

ZANDIFAR S., Ebrahimikhusfi Z., KHOSROSHAHI M., NAEIMI M.. Analysis of the Effect of Climatic Parameters and Meteorological Droughts on the Variation of Internal Dust Events (A Case Study: Qazvin City). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2020;24(3 ):239-256. Available from: https://sid.ir/paper/389859/en

IEEE: Copy

S. ZANDIFAR, Z. Ebrahimikhusfi, M. KHOSROSHAHI, and M. NAEIMI, “Analysis of the Effect of Climatic Parameters and Meteorological Droughts on the Variation of Internal Dust Events (A Case Study: Qazvin City),” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 24, no. 3 , pp. 239–256, 2020, [Online]. Available: https://sid.ir/paper/389859/en

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