Future drought analysis using SPI and EDDI to consider climate change in South Korea

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Abstract

Prediction of drought is important for efficient water management, as the occurrence of droughts affects large areas over a long period. According to various climate change scenarios, it is reported that in the future, Korea's climate is likely to increase in temperature with increasing rainfall. This increase in temperature will have a big impact on evapotranspiration. The occurrence of drought begins mainly with two causes: Lack of rainfall or an increase in evapotranspiration. Therefore, in this study, the impact of climate change on future droughts is revealed through the Standardized Precipitation Index (SPI) and the Evaporative Demand Drought Index (EDDI). These two drought indices with different characteristics are used to examine the trend of future drought, and a drought Severity-Duration-Frequency (SDF) curve was derived to quantitatively analyze the depth of future drought. Future droughts are projected by applying future climate data generated from various climate models.

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APA

Won, J., & Kim, S. (2020). Future drought analysis using SPI and EDDI to consider climate change in South Korea. Water Science and Technology: Water Supply, 20(8), 3266–3280. https://doi.org/10.2166/ws.2020.209

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