MODARIA II: WORKING GROUP 6 BIOSPHERE MODELLING FOR LONG-TERM SAFETY

ASSESSMENTS OF RADIOACTIVE WASTE DISPOSAL FACILITIES

IAEA review and enhancement of Biomass methodology

Cartoon of the KBS-3 system at Forsmark, Sweden

This week:

• 20+ participants• Maintained the overall methodology format

• Improved human exposure groups• Incorporated guidance on biota assessment

• Reviewed technical material that support the report appendices• Update on long term climate• Arid environments• Defining area of interest• Guidance on mathematical modelling

• Linked the methodology to the overall safety case

WORKING GROUP 6

No!

Next steps:

• Review of interim report• By representatives from regulators and implementors• By people new to the field

• Write appendices• On PEG questionaire and lessons learned• Uncertainties• Examples drawn from a range of different contexts

• Interaction with GEOSAF, NSDF and others

• Plan interaction with• WG1, WG6 methods applicable to shorter timescales• WG3, Consistent with chapter on biota methodology• WG4, process understanding linked to data needs• WG5, Spatial scales on biota populations

• Draft 2.0 by May 2019

• Finalise the report by October 2019.

Interim meeting 2019 in Munich, week starting 13 or 20 May

The biosphere, an integral part of the entire system

Thank you!