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Hey there,

can you tell me the meaning of direct contribution and upstream total in a Sankey diagram? What's the difference?

Thank you!

in openLCA by (240 points)

2 Answers

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by (114k points)
Direct contribution is the process itself, upstream total all processes "before" this process.
by (240 points)
Thanks for your help.

Can you also explain why the the direct contribution and upstream total is often the same, even the percentage? Moreover, I don't understand why the direct contribution of processes I created myself is 0.00. Is it, because it uses the processes before which are added in upstream total?

Thanks in avance.
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by (240 points)

Attached please find a screenshot of the usecase.