List of Articles Dry periods Open Access Article Abstract Page Full-Text 1 - Analysis and forecasting of precipitation in the Larestan area by Markov chain. بهلول Alijani زین العابدین Jafarpoor حیدر Ghaderi Open Access Article Abstract Page Full-Text 2 - The Clarification of Monthly Precipitation Fluctuations in Ahar Station in relation to the Tele-connection Patterns Ali Mohammad Khorshiddoust Yousef Ghavidel Rahimi Open Access Article Abstract Page Full-Text 3 - Classification of changes in the length of rainfall-dependent dry periods in Iran seyed keramat hashemi ana