Gabi to openlca database9/4/2023 ![]() For the same life cycle inventory the maximum result ratio for the characterized results is 0.0076 for Terrestrial Ecotoxicity Potential. The implementation of the impact assessment methodologies shows notable differences. For some of the 100 unit processes, six elementary flows were inventoried differently in SimaPro and GaBi, with an extreme maximum comparative ratio of 109. Some of these differences are so large that they could influence the conclusions. The research question investigated here is can there be a difference between SimaPro and GaBi influencing the results and the decisions based on them? In many cases the results are identical between SimaPro and GaBi or nearly so, but in other cases the results reveal differences. The software performances are compared based on a random sample of 100 unit processes. Assessing product systems applying the exact same unit process foundation would be expected to yield comparable result sets with either tool. ![]() SimaPro and GaBi are the leading software tools used for life cycle assessments.
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