1. SAEES, Centre for Water Resources Research; University of KwaZulu-Natal; Pietermaritzburg South Africa
2. International Crops Research Institute for the Semi-Arid Tropics; Bulawayo Zimbabwe
3. Sorbonne Universités (UPMC Univ, Paris 06)-CNRS-IRD-MNHN, Laboratoire LOCEAN/IPSL; Paris France
4. Laboratoire des Sciences du Climat et de l'Environnement, UMR 8212 CEA-CNRS-UVSQ and IPSL; Université Paris Saclay; Gif sur Yvette France
5. UMR 7619 METIS; Sorbonne Université, UPMC Université Paris 6, CNRS, EPHE; Paris France