1. Aristotle University of Thessaloniki,School of Agriculture, Faculty of Agriculture, Forestry and Natural Environment,Thessaloniki,Greece,54123
2. Section of Remote Sensing and Geoinformatics,Helmholtz Center, Potsdam GFZ German Research Centre for Geosciences,Potsdam,Germany,14473
3. Porter School of Environment and Earth Science, Tel Aviv University,Remote Sensing Laboratory, Department of Geography and Human Environment,Tel Aviv,Israel,69978