1. Environment and Sustainability Institute, University of Exeter, Penryn TR10 9FE, UK
2. Department of Physics, Faculty of Science, Majmaah University, Majmaah 11952, Saudi Arabia
3. Department of Physics, Faculty of Science, Jouf University, Sakaka 42421, Saudi Arabia
4. Faculty of Environment, Science and Economy, University of Exeter, Exeter EX4 4QF, UK