Rural Service Area - Principles and General Procedures
Rural (Normative) Service Areas / Isolines
In order to determine the normative service area a radius is drawn around a settlement (village, town or urban centre). The radius represents the service facility according to the distance. For example, the service radius of a small health clinic maybe 5 km while that of a district hospital could be as much as 40 km.
Determine the important services that should be spatially depicted
Determine the acceptable service area for the specific service
Draw a radius around the settlement for each respective service that the planner wishes to depict.
Map 1: Example of normative radius of a service area for a selected facility
Possible forms of interpretation rural service centres:
Map 2: Mapping of areas outside effective isoline of rural centres
According to the gravitation hypothesis, it is assumed that inhabitants living at any point between two settlements A and B will be attracted to the towns accordance with the relative attractiveness of the towns and inversely with the distance.
Identify all the settlements to be analysed, including the neighbouring settlements.
Identify the distance (in km) to each settlement (d). For this it is possible to use the results of the distance matrix method.
Determine the functional index (C). The results of the functional index method should be used.
Compute the break even point (km)
Table 1: Results of calculation (example only)
Alternatively it is possible to use the population instead of the functional index.
The alternative model calculation would be:
Table 2: Results of calculation (example only)
Map 3: Mapping of service area (example only)
|However, in many cases a simplified description of the step-by-step process is always possible.|
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