[1] Univ Debrecen, Dept Landscape Protect & Environm Geog, H-4032 Debrecen, Hungary
[2] Univ Freres Mentouri Constantine, Lab Geol & Environm LGE, Constantine 25020, Algeria
[3] Mohamed Boudiaf Univ, Dept Nat & Life Sci, Msila 28000, Algeria
[4] Univ Debrecen, Dept Social Geog & Reg Dev, H-4023 Debrecen, Hungary
[5] Univ Debrecen, Dept Comp Graph & Image Proc, H-4023 Debrecen, Hungary
[6] Don State Tech Univ, Dept Water Supply & Sanitat, Rostov Na Donu 344000, Russia