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Keywords = NDVI

Number of Articles: 2
Climatology
The Prediction Probability of Repeated Drought Periods and Effects on Vegetation in Golestan Province

amanollah fathnia; Saeid Rajaee; Farzane Borzo

Volume 21, Issue 60 , September 2017, , Pages 179-196

https://doi.org/07

Abstract
  In this study, using Gorgan station data for the period 2010-1980 was studied precipitation trends. In order to extract precipitation trend the moving average and Mann-Kendall test was used. Also, using by SPI (standard precipitation index) drought period and by Markov chain probability event each of ...  Read More
Comparison between ANN and SVM methods in extracting landuse and vegetation cover maps with using Landsat 8 images (Case study Sofi Chay drainage basin)
Volume 19, Issue 52 , June 2015

Abstract
  Preparing landuse and vegetation cover in planning and management of natural resources is very important. For this aim, using remote sensing data has important role especially because of daily cover and low cost images. So in this research, Landsat 8 images are used as input data for extracting landuse ...  Read More