Drought assessment is crucial for effective water resources management in a river basin. frequency has increased worldwide recent years due to global warming. In this paper, an attempt made assess the meteorological drought Punpun basin, India using two globally accepted indices namely, Standardized Precipitation Index (SPI) and Evapotranspiration (SPEI). The SPI SPEI at 1-, 3-, 6-, 9-, 12-mont...

The authors propose a new climatic drought index: the standardized precipitation evapotranspiration index (SPEI). The SPEI is based on precipitation and temperature data, and it has the advantage of combining multiscalar character with the capacity to include the effects of temperature variability on drought assessment. The procedure to calculate the index is detailed and involves a climatic wa...

Abstract The increasing divergence/disagreement between the meteorological drought indicators, majorly due to changing climate conditions, has disputed their pertinency in monitoring and modeling of events. In present study, we attempted quantify divergence widely used indices such as standardized precipitation index (SPI), evapotranspiration (SPEI), newly developed net (SNEPI) traced evolution...

A meteorological drought study is performed using monthly time scale data from three separate locations in southern Sindh, Pakistan. Rainfall and temperature have been used to identify the drought. These were transformed into indices known as standardized precipitation evapotranspiration index (SPEI) (SPI), which derived (the Hargreaves equation). In this study, two are compared for stations Ch...

Climate change and solar geoengineering have different implications for drought. can “speed up” the hydrological cycle, but it causesgreater evapotranspiration than historical climate because of higher temperatures. Solar (stratospheric aerosol injection), on other hand, tends to “slow down” cycle while reducing potential evapotranspiration. There are two common definitions drought that take th...