This is important for many land management purposes, especially in hilly country, and can only be usefully determined by comprehensive catchment analysis. For example how prone each sub-catchment will be to flooding following a particular rainfall event. This map shows an assessment of the extent of flooding which could be expected in the event of a breach in the dam wall of a major reservoir in Tasmania. Of course the real world is dynamic and complex. It requires a good understanding of how its components interact.
Dark green is relatively high.
The final result predicts behaviour for the entire catchment, having taken into account all the known variation, plus the dynamic behaviour of the landscape. Click here to remind yourself how the different catchments are arranged. In addition , our ready-made catchment data can be applied to water management issues generally, including the derivation of environmental flows and seasonal availability of water for urban and other essential supplies. This example shows how rainfall data and MapMakers soils data have been used to model the water yield for each catchment supplying the City of Hobart. At MapMakers we specialise in delivering considered, professional solutions to land and resource management professionals.