In recent years, droughts have become more intense and frequent in arid and semi-arid
regions like Iran on the one hand, and water demand has been rising on the other hand and …

Understanding how drought changes have occurred is imperative to enhance the ability of
mitigating drought impacts. This consideration encourages carrying out a comprehensive …

Drought, a normal recurrent event in arid and semiarid lands such as Iran, is typically of a
temporary nature usually leaving little permanent aftermath. In the current study, the rainfall …

Drought is a recurring and temporary natural event which leads to many damages to human
life and natural ecosystems. In this study, the Standardized Precipitation Index (SPI) and …

Drought monitoring is very important for water resource planning due to the impact of climate
change on the frequency of drought events. The objective of this study was to evaluate the …

The present study examined year-to-year variations in areas affected by drought during a
period of 39 water yearsin Iran. Ninety-five meteorological stations were chosen to provide …

This study was conducted to assess drought trend, frequency and extremity during 1966–
2012 over widely different climatic regimes in Iran. Two drought indicators, ie the …

Precipitation deficit and its daily, seasonal and annual oscillations are inherent
characteristics of Iran's climate. Droughts are generally characterized by a prolonged and …

In addition to drought intensity, drought magnitude (DM) is an important parameter in
drought analysis. Therefore, in this study, the drought intensity and DM trends are …

Iran has a predominantly arid and semi‐arid climate where the drought hazards and their
variability are the crucial concerns for water resources management. This study assesses …