Summary of method implementation



Synthesis method

A method to measure footprint in national level for countries and is achieved through estimating import and export of a country.

This method has less accuracy compared to other two methods, since, details are not considered due to high volumes of data in national level.


Component method

This method is used to measure footprint in cities and urban regions and these measurement are conducted through estimating the amount of population consumption in consumer real states.

This method is one the most applicable techniques. The accuracy of this method is higher than synthesis method. Variety of consumer groups are changeable depending of studied subject and data volume.


Direct method

This method is applied to measure footprint in individuals, families and companies and correlates with direct consumer data of individuals.

This method has the highest accuracy among other two methods. Its accuracy is provided and calculated based on questionnaire and it depends on questionnaire accuracy.