Wind Erosion in Western Queensland Australia

Chapter 4: A Framework for Modelling Temporal Variations in SoilErodibility4.1 Introduction................................................................................................................. 994.2 Aggregation, Soil Crusts and Soil Erodibility .......................................................... 1024.3 The Soil Erodibility Continuum................................................................................ 1044.4 Modelling Temporal Changes in Soil Erodibility..................................................... 1104.4.1 Approach ........................................................................................................ 1104.4.2 Temporal Model Framework.......................................................................... 1104.4.3 Sensitivity Testing .......................................................................................... 1174.4.4 Model Limitations .......................................................................................... 1194.5 Model Parameterisation ............................................................................................ 1214.6 Conclusions............................................................................................................... 127Chapter 5: A Model to Predict Land Susceptibility to Wind Erosion inWestern Queensland, Australia5.1 Introduction............................................................................................................... 1295.2 Study Area ................................................................................................................ 1315.3 Model Development.................................................................................................. 1325.3.1 Land Erodibility Controls............................................................................... 1325.3.2 Rationale for Model Development ................................................................. 1345.3.3 Model Framework .......................................................................................... 1365.4 Model Input Data ...................................................................................................... 1425.5 Model Application and Validation............................................................................ 1435.5.1 Methodology................................................................................................... 1435.5.2 Results - Annual Land Erodibility Predictions............................................... 1445.5.3 Results - Station Comparisons........................................................................ 1455.6 Discussion................................................................................................................. 1525.6.1 Model Performance ........................................................................................ 1525.6.2 Model Limitations .......................................................................................... 1545.7 Conclusions............................................................................................................... 155xi