1. Researcher, MARE—Marine and Environmental Sciences Centre and IMAR—Institute of Marine Research, Faculty of Sciences and Technology, Univ. of Coimbra, 3004-517 Coimbra, Portugal (corresponding author).
2. Lecturer, Institute of Hydrology, Water Management and Environmental Techniques, Ruhr-Univ. Bochum, 44801 Bochum, Germany; Professor, MARE—Marine and Environmental Sciences Centre and IMAR—Institute of Marine Research, Faculty of Sciences and Technology, Univ. of Coimbra, 3004-517 Coimbra, Portugal.
3. Professor, Centre for Water Systems, Univ. of Exeter, North Park Rd., Exeter EX4 4QF, U.K.