An Assessment of Spatial-temporal Alteration of Sunshine Hours in Iran

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Fallah Ghalharei Gholam Abbas; ASADI MEHDI

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Journal: Journal of Geography and Planning Year:2018 | Volume:22 | Issue:64 Page(s): 229-246

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Title

An Assessment of Spatial-temporal Alteration of Sunshine Hours in Iran

Author(s)

Fallah Ghalharei Gholam Abbas | ASADI MEHDI | Issue Writer Certificate

Keywords

sunshine hoursQ2

spatial autocorrelationQ1

Moran IndexQ1

an index of hot spotsQ1

IranQ2

Abstract

This study aims to identify the spatial autocorrelation and spatial variation of sunshine hours in Iran. For this purpose, the sunshine hours to form a network database have been made in Iran. The data from the base of a 30-year period, the daily period from 1/01/1982 to 12/31/2012 AD to the present study, and intercellular dimensions of 15 × 15 km area stretching is studied. In order to achieve the sunshine hourly changes within a year, the sunshine of the Iran of spatial statistical methods, such as spatial autocorrelation global Moran, Moran's index of local Insulin, and hot spots was used by using the programming environment GIS. The results of this study showed that the spatial and temporal variation in sunshine hours in Iran is High-cluster pattern. In the meantime, based on local Moran and hot spots, South, South East and Central synoptic stations representing the provinces of Sistan and Baluchistan, Kerman, Shiraz, Isfahan and Yazd have positive spatial autocorrelation pattern, full sun pattern, and parts of North, North East and North West representing synoptic stations in Tabriz, Mazandaran, Mashhad and Semnan have a negative spatial autocorrelation, low sun pattern. In the study period, in most cases, a large part of the Iran, almost half of the total area, has had no significant pattern or spatial autocorrelation.

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APA: Copy

Fallah Ghalharei, Gholam Abbas, & ASADI, MEHDI. (2018). An Assessment of Spatial-temporal Alteration of Sunshine Hours in Iran. JOURNAL OF GEOGRAPHY AND PLANNING, 22(64 ), 229-246. SID. https://sid.ir/paper/399639/en

Vancouver: Copy

Fallah Ghalharei Gholam Abbas, ASADI MEHDI. An Assessment of Spatial-temporal Alteration of Sunshine Hours in Iran. JOURNAL OF GEOGRAPHY AND PLANNING[Internet]. 2018;22(64 ):229-246. Available from: https://sid.ir/paper/399639/en

IEEE: Copy

Gholam Abbas Fallah Ghalharei, and MEHDI ASADI, “An Assessment of Spatial-temporal Alteration of Sunshine Hours in Iran,” JOURNAL OF GEOGRAPHY AND PLANNING, vol. 22, no. 64 , pp. 229–246, 2018, [Online]. Available: https://sid.ir/paper/399639/en

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