Evaluation of daily soil moisture deficit used in Australian forest fire danger rating system
1 1 INTRODUCTION 2 2 DATA AND METHODS 3 2.1 Models 3 2.1.1 Keetch Byram Drought Index (KBDI) 3 2.1.2 Mount's Soil Dryness Index (SDI) 4 2.2 In situ soil moisture observations 5 2.2.1 OzNet 5 2.2.2 CosmOz 5 2.2.3 OzFlux 6 3 DATA PROCESSING 6 4 VERIFICATION METRICS 7 5 MONTHLY MEAN 8 6 RESULTS 10 6.1 Verification against shallow layer observations 10 6.1.1 OzNet 0 30 cm 10 6.1.2 CosmOz 12 6.1.3 OzFlux 14 6.2 Verification against deep soil moisture observations 16 6.2.1 OzNet 0 90 cm 16 6.2.2 OzFlux 18 7 DISCUSSIONS 19 8 CONCLUSIONS 21 ACKNOWLEDGMENTS 22 REFERENCES 23 Appendix 1: Observation site details 26 EVALUATION OF DAILY SOIL MOISTURE DEFICIT USED IN AUSTRALIAN FOREST FIRE DANGER RATING SYSTEM