The El Niño event of 2015-2016: climate anomalies and their impact on groundwater resources in East and Southern Africa Tekijä Kolusu, SR, Shamsudduha, M, Todd, MC, Taylor, RG, Seddon, D, Kashaigili, JJ, Ebrahim, GY, Cuthbert, MO, Sorensen, JPR, Villholth, KG, Macdonald, AM, Macleod, DA