How to find the impact category total emission when using IPCC 2013 GWP 100a (incl. CO2 uptake) for ecoinvent 3.9.1?

Question

Hi, when I apply method IPCC 2013 GWP 100a (incl. CO2 uptake) on ecoinvent 3.9.1 in openLCA, I receive 4 impact category values: fossil - biogenic - CO2 uptake - land use change and land transformation.

I know that these 4 values cannot be sum up to produce a total value, but how to find it? I want to find the total emissions that system process creates.

Thank you in advance.

Answer 1

Hi, I made the effort to download the database. Are you using the method provided in the database or  the openLCA method package? I can't find the IPCC 2013 GWP 100a (incl. CO2 uptake) method neither in the database nor in the most recent method package. For the total values, you can have a look how ecoinvent implements it between the IPCC 2013 and IPCC2021. Hope this helps a bit