SPATIOTEMPORAL VARIATIONS OF COLD PERIOD PRECIPITATION IN IRAN (1950-2009)

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SEDAGHAT MAHDI; NAZARIPOUR HAMID

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Journal: Physical Geography Research Year:2015 | Volume:47 | Issue:3 Page(s): 421-433

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Information Journal Paper

Title

SPATIOTEMPORAL VARIATIONS OF COLD PERIOD PRECIPITATION IN IRAN (1950-2009)

Author(s)

SEDAGHAT MAHDI | NAZARIPOUR HAMID | Issue Writer Certificate

Keywords

EXPLORATORY SPATIAL DATA ANALYSIS (ESDA)Q2

IRANQ2

MORAN’S SPATIAL AUTOCORRELATIONQ2

SPATIOTEMPORAL DISTRIBUTIONQ1

Abstract

IntroductionPrecipitation plays an important role in the global energy and water cycle. It is important for assessment and management of land use, agriculture and hydrology such as flood and drought risk reduction to know about the amount of precipitation reaching the ground water. Assessment of climate change and its effects require long-term rainfall analysis in all spatial scales. Growing concern in the scientific community (Nicholls and Alexander, 2007) is about whether there is a significant change in the amount of precipitation?. About 29% reduction in the daily maximum water flow caused higher temperatures and increased evaporation with any change in rainfall causing drought in southern Canada during the years 1847 to 1996 (Zhang, Harvey, Hogg and Yuzyk, 2001). Recently summer drought caused by unusually dry heating in the areas related to tropical West Pacific and Indian Ocean (Andreadis, Clark, Wood, Hamletand and Lettenmaier, 2005; Pagano and Garen, 2005) including studies of climate change on global precipitation regimes. Germer (2008) has examined monthly variations in rainfall, floods, droughts and runoff in the Yangtze River Basin in China. In another study, Dao (2004) studied the daily variation of rainfall in semi-arid regions of northern China. Raziyy and Azizi (2008) said that topography and latitude are main factors of controlling the precipitation in the west part of IRAN. Also, Asakereh (1386) has investigated spatiotemporal variation in IRAN precipitation.

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APA: Copy

SEDAGHAT, MAHDI, & NAZARIPOUR, HAMID. (2015). SPATIOTEMPORAL VARIATIONS OF COLD PERIOD PRECIPITATION IN IRAN (1950-2009). PHYSICAL GEOGRAPHY RESEARCH QUARTERLY, 47(3), 421-433. SID. https://sid.ir/paper/138842/en

Vancouver: Copy

SEDAGHAT MAHDI, NAZARIPOUR HAMID. SPATIOTEMPORAL VARIATIONS OF COLD PERIOD PRECIPITATION IN IRAN (1950-2009). PHYSICAL GEOGRAPHY RESEARCH QUARTERLY[Internet]. 2015;47(3):421-433. Available from: https://sid.ir/paper/138842/en

IEEE: Copy

MAHDI SEDAGHAT, and HAMID NAZARIPOUR, “SPATIOTEMPORAL VARIATIONS OF COLD PERIOD PRECIPITATION IN IRAN (1950-2009),” PHYSICAL GEOGRAPHY RESEARCH QUARTERLY, vol. 47, no. 3, pp. 421–433, 2015, [Online]. Available: https://sid.ir/paper/138842/en

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