Effects of seasonal snow and climatic controls on spring and autumn phenology in Alpine forest regions

Jing Xie, Mathias Kneub├╝hler, Irene Garonna, Rogier De Jong and Michael E Schaepman, Remote Sensing Laboratories, Department of Geography, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland, Zurich, Switzerland