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Requirements as aspects of regionalization solutions. A contribution to the discussion from the GaBi Group as a professional software provider Tabea Beck, Martin Baitz , Jan Paul Lindner, Bastian Wittstock , Thorsten Volz. Regionalization in day-to-day business.

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requirements as aspects of regionalization solutions
Requirements as aspects of regionalization solutions
  • A contribution to the discussion from the GaBi Group as a professional software provider
  • Tabea Beck, Martin Baitz, Jan Paul Lindner, Bastian Wittstock, Thorsten Volz
regionalization in day to day business
Regionalization in day-to-day business
  • Regionalization of inventories: country specific data
  • Regionalization of impacts (adapted CFs)
  • No automated (consistent, standardized) method available
  • But regionalization (specific characterization and interpretation) is done already since years
  • …either on LCI and LCIA level…
  • Main problem is not missing method…..
  • …but aspects that come up if methods are applied in daily practice by thousands of users (consistency)
requirements from a software provider s point of view
Requirements from a software provider`s point of view
  • Solution to address different spatial resolution necessary for different impact categories (GWP needs other resolution than TOX)
  • Regionalization information has to withstand aggregation procedure
  • But detailed regionalized information may not always and anywhere in the calculation needed (smart solution needed)
  • Flexibility of choice of impact assessment method for user of aggregated data (data handling (granularity) must not limit later interpretation)
  • Regionalization needs to provide significantly better results without increasing uncertainty and without severely increasing data acquisition and modeling effort
  • Results still have to be interpretable for industry clients

 Added value for users leading to enhanced decision support has to be incentive for development

important aspect from a software provider s point of view
Importantaspectfrom a softwareprovider`spointofview

High amount of data, computing power and storage capacity required independent of database system:

  • How to handle this with view into future developments ? We are still a the beginning !
  • Data mass is drastically increasing ! Is comprehension of LCA user bottleneck ?
  • Is the quality of the results also drastically increasing ?

5000 * 600* 3 * 10* 200* 8 byte= 144 GByte



Averageno. oflocations

No. ofrolled-upprocesses

Averageno. of in- andoutputflows

Averageno. ofcompart-ments

Storage capacityforfloatingnumber

  • Physically decoupling of (technical) from (regional) information
  • Communication over interfaces (standard)


  • Maintenance / Updates better focused on specific needs
  • Storage capacity decoupled
  • Development of regional information (new) independent from technical (established) information (continuity)
  • Failure of new methods does not influence technical data
potential solution
Potential Solution


GIS asdatabase









Regionalized CF



parallel aggregation

summary and future requirements
Summary and Future Requirements
  • Regionalization must provide added value for user in practice and academia
  • Regionalization should be possible for any impact method
  • Results still have to be (easily) interpretable
  • Storage capacity / speed is a topic for any software / database. Avoid data explosion.
  • Keep technical information like it is
  • Regionalization data must not influence the technical reality
  • Idea: Separate technical information and regionalized impact information
  • Need: Regionalized Characterization factors for consistent GIS datasets (e.g. format shapefiles) needed
  • Goal: Meaningful regionalized datasets in applicable format for professional use.
messages to enspire discussion
Messages toenspirediscussion
  • Message to all

We are open to any idea and solution pathway.

  • Message to method developers:

Better roughly right than exactly wrong !

  • Message to software / database providers:

Smart and flexible methods based on existing data needed !

  • Message to users:

Only use regionalization data, if it improves the quality of your results (see goal and scope) !

two quotes from einstein
Two quotes from Einstein

When the number of factors coming into play in a phenomenological complex is too large

scientific method in most cases fails.

You do not really understand something unless

you can explain it to your grandmother !