دوره هاي خشكسالي در اصفهان

The Cycle of Drought in Isfahan

The climatic cycle is a natural phenomenon and two phenomena called drought and flood are related to that cycle. The identification of these two phenomena can vary from the point of view of scientists over the world. Some of these definitions are defined for the world scale and some are defined for the scale of regions and locals. This paper based on the changing of the dept of annual rainfall during the last loo years in Isfahan tries to define the severity of different droughts in Isfahan and the length of their period.