1. Climate and Atmosphere Research Centre, The Cyprus Institute, Nicosia 2121, Cyprus
2. Computation-based Science and Technology Research Centre, The Cyprus Institute, Nicosia 2121, Cyprus
3. Institute of Applied and Computational Mathematics (IACM), Foundation for Research and Technology Hellas, (FORTH), IACM/FORTH, GR-71110 Heraklion, Crete, Greece
4. Department of Mathematics and Applied Mathematics, University of Crete, GR-71409, Heraklion, Crete, Greece
5. Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft 2628 CN, The Netherlands