1. Hyder Consulting Ltd., HCL House, St. Mellons Business Park, Cardiff, CF3 0EY, UK; formerly, Senior Numerical Modeller, HR Wallingford, Howbery Park, Wallingford, Oxon OX10 8BA, UK.
2. Lecturer, Univ. of Nottingham, School of Civil Engineering, Nottingham, UK.
3. Principal Scientist, HR Wallingford, Howbery Park, Oxon OX10 8BA, UK.