Panta Rhei includes three targets, namely, (1) Understanding, (2) Estimation and prediction and (3) Science in practice. Each target is led by a Target Leader and a Target Co-Leader. Target Leaders are nominated for a biennium and their role is to assist the Panta Rhei Chair in overseeing the scientific activity that is carried out within Panta Rhei and to keep the links with the community. The tasks of the Target Leaders include the identification and preliminary approval of Research Themes and Working Groups (the final approval is formalised by the IAHS Bureau), the organisation of Panta Rhei initiatives (scientific session at conferences, educational initiatives, summer schools etc.) and the synthesis of the activity that is carried out under each target.
The Target Leaders for the Biennium 2013-2015 are:
