List of Articles Standardized Precipitation Index (SPI) Open Access Article Abstract Page Full-Text 1 - Surveying of the past, present, and future of vegetation changes in the central Alborz ranges in relation to climate change Diana Askarizadeh Hosein Arzani Mohammad Jafary Javad Bazrafshan Iain colin Prentice Open Access Article Abstract Page Full-Text 2 - Drought prediction and modeling by hybrid wavelet method and neural network algorithms Jahanbakhsh Mohammadi Alireza Vafaeinezhad Saeed Behzadi Hossein Aghamohammadi Amirhooman Hemmasi 10.30495/girs.2022.687669 Open Access Article Abstract Page Full-Text 3 - ٍEvaluation of drought return period using standardized precipitation index (SPI) in Fars province, Iran Nader Pirmoradian Seyyed Amir Shamsnia Fardin Boustani Mohammad Ali Shahrokhnia Open Access Article Abstract Page Full-Text 4 - Forecasting of Categorical Drought Pattern via Partitioning of Meteorological Variables Alireza Nikbakht Shahbazi Banafsheh Zahraie