1. The Lyell Centre, Heriot-Watt University, Edinburgh, United Kingdom
2. School of Engineering, Newcastle University, Newcastle upon Tyne, United Kingdom
3. Department of Geography, Durham University, Durham, United Kingdom
4. British Geological Survey, The Lyell Centre, Edinburgh, United Kingdom
5. Guyana Water Incorporated, Georgetown, Guyana
6. Guyana Hydrometeorological Service, Georgetown, Guyana