Safaa Bouljihel, Jamal Ezzahar, LMFE, Faculty of sciences SEMLALIA, Morocco; Mohamed Abdelbaki, TIM, ENSA Marrakech, Cadi Ayyad University (UCA), Morocco; Salah Er-Raki, Nadia Ouaadi, CRSA, Centre for Remote Sensing Applications, Mohammed VI Polytechnic University (UM6P),, Morocco; Saïd Khabba, Hiba Ait Ben Ahmed, LMFE, Faculty of sciences SEMLALIA, Morocco; Abdelghani Chehbouni, CRSA, Centre for Remote Sensing Applications, Mohammed VI Polytechnic University (UM6P),, Morocco