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Longer duration drought and more severe intensity drought mostly occur in the El-Nino year. In addition, by applying the Regional Spectral Model (RSM) for drought prediction, the results show that the RSM model captures well the inter-annual variation of the SPI index at timescale of 12 months, especially during severe water scarcity periods. Underestimated errors in the predicted SPI value can be bias-corrected for more proper determination of droughts from the RSM output. An important issue of drought prediction is warning of drought intensity during either dry or rainy season. The assessment of long-term water scarcity using the SPI index can provide warning of drought intensity in future. | Study of droughts in Ca Mau province Characteristics and prediction capabilities
