1. Geography Department, College of Arts and Social Sciences, Sultan Qaboos University, Muscat, Oman
2. Department of Environmental Sciences, Faculty of Science, Damietta University, New Damietta, Egypt
3. College of Marine Science, King Abdulaziz University, Jeddah, Saudi Arabia
4. Geology Department, Faculty of Science, Mansoura University, Mansoura, Egypt
5. Geography Department, Faculty of Education, Mansoura University, Mansoura, Egypt