Question

Q2.A Distinguish between. (ANY TWO) 1)Choropleth method and isopleth method​

Answer 1

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Choropleth Method:

1. The for different geographical variables is represented by either shade of the same colour or by different colours.
2. Continuous or varying data can be used for mapping purposes.
3. Administrative boundaries define data boundry and hence continuous data can be misrepresented.
4. Mainly used for data like population density distribution, etc...

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Isopleth method:

1. The data for the variable under study is demarcated by isolines which are lines joining the places having the same value.
2. Only continuous data is used.
3. Administrative boundaries do not define a data boundary. Data boundary is defined by isolines.
4. Mainly used for continuous data live temperature, rainfall, altitude, etc.

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