Volume 21, Issue 61 (6-2021)                   jgs 2021, 21(61): 259-277 | Back to browse issues page

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hosseini S M, Fateminiya F S. A Climate - Satellite Analysis of Leaf Area Index in Hamedan Province. jgs 2021; 21 (61) : 14
URL: http://jgs.khu.ac.ir/article-1-3293-en.html
1- Sayyed Jamaleddin AsadabadiUniversity , h.climate@yahoo.com
Abstract:   (3190 Views)
In this study, used the data of the Modis satellite. Satellite in the province of Hamadan for a period of 15 years to study and monitor the status of the leaf area index. The leaf area index data were analyzed. After extraction from the Modus website, coding was done in software and then extracted from the maps. Finally, the annual time series of leaf area index was obtained and its relation with rainfall and average temperature during these years. In order to investigate better, the cells above the one representing a better condition and higher leaf area density. In this regard, the years 2002, 2008 and 2011 were (0.01, 0.03, and 0.03%) of the lowest pixels higher than 1 and 2016 with 0.24 and 2014, 2009 and 2010 with 0.07 pixels higher than 1, the highest number of pixels. The common aspect of all years shows that in terms of pixels above the common places, all the years: the southern Hamadan gardens in the south of the Moradbeyk Valley, the Nahavand West fields, the south-east Malayer Gardens, the protected area Lashgar in the south-east of Malayer. The only difference seen in different years is the number of pixels. Finally, the time series of the data were the highest in 1389 and the lowest level of leaf area in the years 1381 and 2008.
Article number: 14
Full-Text [PDF 3472 kb]   (564 Downloads)    
Type of Study: Research | Subject: climatology
Received: 2019/01/25 | Accepted: 2019/07/27

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