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Book Chapter

“CO2RINA”—CO2 Storage Risk Integrated Analysis

Authors

Kahnt,  René
External Organizations;

Kutzke,  Alexander
External Organizations;

Martin,  Mirko
External Organizations;

Eckart,  Michael
External Organizations;

Schlüter,  Ralph
External Organizations;

/persons/resource/kempka

Kempka,  T.
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/etillner

Tillner,  E.
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Hildenbrand,  Alexandra
External Organizations;

Krooss,  Bernhard M.
External Organizations;

Gensterblum,  Yves
External Organizations;

Adams,  Markus
External Organizations;

Feinendegen,  Martin
External Organizations;

Klebingat,  Stefan
External Organizations;

Neukum,  Christoph
External Organizations;

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Citation

Kahnt, R., Kutzke, A., Martin, M., Eckart, M., Schlüter, R., Kempka, T., Tillner, E., Hildenbrand, A., Krooss, B. M., Gensterblum, Y., Adams, M., Feinendegen, M., Klebingat, S., Neukum, C. (2015): “CO2RINA”—CO2 Storage Risk Integrated Analysis. - In: Liebscher, A., Münch, U. (Eds.), Geological Storage of CO2 – Long Term Security Aspects, (GEOTECHNOLOGIEN Science Report  ; 22)(Advanced Technologies in Earth Sciences), Cham : Springer International Publishing, 139-166.
https://doi.org/10.1007/978-3-319-13930-2_7


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_986890
Abstract
While risk assessment for CO2-storage often has been conducted by using a lot of simplifications and conservatisms, our approach developed in the CO2RINA-research project is based on the integration of all models, existing at a moment in time. These models will be coupled by the so called transfer function approach which has been proven to be very powerful in the risk assessment for low level radioactive waste. This concept ensures, that the risk assessment is always consistent with the state of the models existing for a specific site. It can be immediately improved if the existing models will be improved over time. The approach was verified by comparison of the direct coupling of different process models in an overall model with a coupling by transfer functions by conducting a wide range of test calculations showing very good accuracy of the approach. The new coupling approach allows the incorporation of a variety of additional effects which are difficult to handle in an overall model. Examples for such processes are complex chemical and microbiological interactions, geomechanical feedback loops and migration of CO2 in the atmosphere. In the project there have been developed specified models for a generic site with parameters similar to the Ketzin site. These models include a reservoir model, a model for the alteration of the cementation of a mature well, a fault model, a model describing advection and diffusion through the cap rock, a complex model for the migration in a Quaternary aquifer including complex chemical interactions and a geomechanical model. Additionally there was shown the way of integration of microbiological processes which have been modelled in detail in the CO2BIOPERM project. The new approach is ready to be adapted to a specific CO2-storage site.