5
Dynamic Water Balance Modelling
5.1 Introduction
5.2 Components of Topog_Dynamic
5.2.1 The soil water module
5.2.2 Solute transport
5.2.3 The evapotranspiration module
5.2.4 The plant growth module
5.2.5 The overland flow module
5.2.6 The sediment transport module
5.2.6.1 Splash detachment
5.2.6.2 Transport of particles detached by rainfall splash
5.2.6.3 Entrainment of soil particles by overland flow
5.2.6.4 Transport capacity and total sediment load
5.2.6.5 Estimation of net erosion and deposition
5.3 Overview of inputs to Topog_dynamic
5.4 Topographic data inputs
5.5 Climate data inputs
5.5.1 Different types of .climate files
5.5.2 Generating a type 1 .climate file with Topog_climate
5.5.3 Generating a radiation coefficients file with Topog_rcoeff
5.6 Soil property data inputs
5.6.1 The macropore flow option
5.6.2 The sediment transport option
5.6.3 Richard's equation soil table
5.6.4 The Simplified Bucket Model soil table
5.7 Soil profile data inputs
5.7.1 Using the Richards equation soil moisture accounting scheme
5.7.2 Using the SBM soil moisture accounting scheme
5.8 Vegetation data inputs
5.8.1 Contents of the .veg file when the plant growth option is not invoked
5.8.2 Additional vegetation inputs when the plant growth option is not invoked
5.8.3 Contents of the .veg file when the plant growth option is invoked
5.8.4 Additional vegetation inputs when the plant growth option is invoked
5.9 Solute data inputs
5.10 Overland flow data inputs
5.11 Sediment data inputs
5.11.1 Input data associated with vegetation type
5.11.2 Input data associated with soil type
5.12 Spatial variation inputs
5.12.1 A typical vegetation type polygon file
5.12.2 A typical soil type polygon file
5.12.3 A typical LAI values file
5.13 Simulation control inputs
5.14 Outputs from Topog_dynamic
5.14.1 Time series data output by Topog_dynamic
5.14.2 Spatial data output by Topog_dynamic
5.14.3 Profile data output by Topog_dynamic
5.14.4 Other data output by Topog_dynamic
5.15 Running Topog_dynamic