Fig. 4From: Greater Alpine river network evolution, interpretations based on novel drainage analysisCatchment restricted minimum elevation (CRM) within a radius of 15 km (a) and 30 km (b) for present day main river catchments (see names of rivers on map in Online Resource 3). White lines outline catchments for the calculation. The location of the profiles from Fig. 5 are shown as black lines. Most high CRM values are north of the main Alpine divideBack to article page