1. Steve Humphries University of Essex Window on FACTS Project WOFTS

2. Background n UNEP/ODA funding for Technical Resource Centre at Essex - Combined Database/Modelling effort. n Starting point - tropical/semi tropical C 4 grassland ecosystems. WOFTS WINDOW ON FACTS

3. WOFTS WINDOW ON FACTS Original Aims n Create model system which was accessible enough for collaborative groups to use directly. n Ensure accountability of model structure and parameterisation. Link model to experimental database.

4. WOFTS WINDOW ON FACTS Original Aims II n Create documentation and attach directly to model for distribution. n Use model and related database data for hypothesis testing.

5. WOFTS FACTS Database WOFTS Compiler WOFTS Sub-models User options/inputs Data Viewer User options GIS database MapsGraphics/ Animations Spreadsheets/ Tables Model set-up Measurements, predictions, and inter-comparisons WOFTS User interface Parameter database Data HELP utility WINDOW ON FACTS

6. Model Structure WOFTS WINDOW ON FACTS n Visual objects provide interactive dialogs. n Program objects provide model structure and scalability.

8. WOFTS WINDOW ON FACTS

9. WOFTS WINDOW ON FACTS Software

10. Software II WOFTS WINDOW ON FACTS

11. Software III WOFTS WINDOW ON FACTS

12. Software Menu’s WOFTS WINDOW ON FACTS

13. Results Handling I WOFTS WINDOW ON FACTS

14. Results Handling II WOFTS WINDOW ON FACTS

15. Wizard Setups WOFTS WINDOW ON FACTS

16. Documentation WOFTS WINDOW ON FACTS

17. Documentation II WOFTS WINDOW ON FACTS