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 …

Abstract The Standardized Precipitation Index (SPI) is widely used as a drought
meteorological index, to identify drought characteristics including the number of events …

Drought is a natural hazard which can cause harmful effects on water resources. To monitor
drought, the use of an indicator and determination of wet and dry period trend seem to have …

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 …

In this research, the precipitation data of 16 synoptic stations from 1980 to 2014 in the south
of Iran were used to evaluate the changes of the spatial and temporal pattern of drought …

Drought monitoring is carried out using various drought indices, including SPI, to generate
time series of dry and wet periods. Furthermore, the dispersion of dry and wet periods was …

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 known as one of the main natural hazards especially in arid and semi-arid
regions where there are considerable issues in regard to water resources management …

Demand for water is on the rise everywhere in the world, particularly in arid and semiarid
countries including Iran. Arid and semiarid regions suffer from droughts. The goal of this …

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