%0 Journal Article %T Integrating Standard Precipitation Index and Normalised Difference Vegetation Index for near-real-time drought monitoring in Eswatini %A Jordaan %A Andries J. %A Mandebvu %A Brian %A Mlenga %A Daniel H. %J Journal of Power and Energy Engineering 电力与能源 %D 2019 %R 10.4102/jamba.v11i1.917 %K drought %K Standard Precipitation Index %K Normalised Difference Vegetation Index %K drought monitoring %K early warning. %U http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1996-14212019000100060&lng=en&nrm=iso&tlng=en