TREND ANALYSIS OF MONTHLY AND ANNUAL MEAN TEMPERATURE OF THE NORTHERN HALF OF IRAN OVER THE LAST 50 YEARS

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AHMADI F.; RADMANESH F.

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Journal: Journal of Water and Soil Year:2014 | Volume:28 | Issue:4 Page(s): 855-865

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Title

TREND ANALYSIS OF MONTHLY AND ANNUAL MEAN TEMPERATURE OF THE NORTHERN HALF OF IRAN OVER THE LAST 50 YEARS

Author(s)

AHMADI F. | RADMANESH F. | Issue Writer Certificate

Keywords

MANN-KENDALL TESTQ2

AUTO-CORRELATIONQ2

TRENDQ2

SEN’S SLOPEQ2

Abstract

The temperature is one of the essential elements in formation of climate and its changes can alter the climate of each region, Therefore study of temperature changes at different spatial and temporal scales is devoted a large part of research to climatology. The mean temperature changes of the northern half area of Iran (18 Synopticstations) in monthly or annual scales (1961-2010) are tested with using non-parametric MANN-KENDALL TEST and elimination of all AUTO-CORRELATION coefficients. To determine the slope of temperature gradient, the SEN’S SLOPE estimation method was used. The results showed that 61% of the stations have experienced a significant in creasein annual scale, in expect of Urmia, Zanjan, Qazvin and Gorgan stations. Arak is also a significant decrease, Torbate Heydarie and Saghez have experienced non-significant negative TREND in annual scale. In monthly scale, number of months with increasing TREND was greater than decreasing TREND. April, September and October havesignificant increasing TREND in most stations. December has lowest changing in compare with others. Inconclusion, the studied temperature area in past half century 1.15 C is increased.

Cites

MONITORING OF GROUNDWATER QUALITY CHANGES TREND IN FOUR PLAINS OF GILAN PROVINCE DURING A 12-YEAR PERIOD

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APA: Copy

AHMADI, F., & RADMANESH, F.. (2014). TREND ANALYSIS OF MONTHLY AND ANNUAL MEAN TEMPERATURE OF THE NORTHERN HALF OF IRAN OVER THE LAST 50 YEARS. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 28(4), 855-865. SID. https://sid.ir/paper/141232/en

Vancouver: Copy

AHMADI F., RADMANESH F.. TREND ANALYSIS OF MONTHLY AND ANNUAL MEAN TEMPERATURE OF THE NORTHERN HALF OF IRAN OVER THE LAST 50 YEARS. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2014;28(4):855-865. Available from: https://sid.ir/paper/141232/en

IEEE: Copy

F. AHMADI, and F. RADMANESH, “TREND ANALYSIS OF MONTHLY AND ANNUAL MEAN TEMPERATURE OF THE NORTHERN HALF OF IRAN OVER THE LAST 50 YEARS,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 28, no. 4, pp. 855–865, 2014, [Online]. Available: https://sid.ir/paper/141232/en

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