Article | REF: BE8016 V1

Emergy. An innovative concept for ecological engineering

Author: Damien ARBAULT

Publication date: April 10, 2016, Review date: October 31, 2022

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2. Methodology

2.1 Definition of the object of study

As with all environmental assessment approaches, the first step in an emergent study is to clearly define the object of the study and its scope. It is important to consider both the spatial boundaries and the time scales characteristic of the system under study and its environment.

To delimit the system under study, it is necessary to consider a time horizon much longer than the characteristic internal storage time of its main physical and energy flows, in order to take into account secondary support and maintenance elements.

Example

A farm needs to be studied on a time scale of several decades: although the majority of the system's energy reservoirs (mainly...

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