1 Geographical Institute, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Budaörsi St. 45, Budapest, 1112, Hungary. madarasz.balazs@csfk.mta.hu.
2 Department of Soil Science and Water Management, Faculty of Horticultural Science of Szent István University, Villányi St. 29-43, Budapest, 1118, Hungary. madarasz.balazs@csfk.mta.hu.
3 Geographical Institute, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Budaörsi St. 45, Budapest, 1112, Hungary.