Geographia Polonica (1992) vol. 60
Altitudinal alteration of the morphological systems in the Rio Checras basin of the Peruvian Andes
Geographia Polonica (1992) vol. 60, pp. 25-32
The vertical alteration of geomorphic systems results from Quaternary evolution. The huge stabilized landslides are the main feature of the slope morphology. They were produced in a periglacial zone of the older Rio Blanco glaciation. The present glacial and cryonival systems were affected by the Punrun glaciation phase and postglacial climatic conditions. The valley bottoms and the lowermost parts of the slopes were transformed by mass movements and mud/debris flows in the postglacial period.
, Institute of Geography, Jagiellonian University, Cracow, Poland