[1] Department of Civil Engineering, Kansas State University, Manhattan,KS, United States
[2] Climate System Analysis Group, University of Cape Town, South Africa
[3] Okavango Research Institute, University of Botswana, Maun, Botswana
[4] Department of Agronomy, Kansas State University, Manhattan,KS, United States
[5] Department of Civil, Environmental, and Architectural Engineering, INSTAAR, University of Colorado, Boulder,CO, United States