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Journal Article

Scoping carbon dioxide removal options for Germany–What is their potential contribution to Net-Zero CO2?

Authors

Borchers,  Malgorzata
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Thrän,  Daniela
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Chi,  Yaxuan
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Dahmen,  Nicolaus
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Dittmeyer,  Roland
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Dolch,  Tobias
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Dold,  Christian
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Förster,  Johannes
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Herbst,  Michael
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Heß,  Dominik
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/akalhori

Kalhori,  Aram
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Koop-Jakobsen,  Ketil
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/zhanli

Li,  Zhan
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Mengis,  Nadine
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Reusch,  Thorsten B. H.
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Rhoden,  Imke
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/tsachs

Sachs,  T.
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/conny

Schmidt-Hattenberger,  Cornelia
4.8 Geoenergy, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Stevenson,  Angela
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Thoni,  Terese
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Wu,  Jiajun
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/yeates

Yeates,  Christopher
4.8 Geoenergy, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

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5014059.pdf
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Citation

Borchers, M., Thrän, D., Chi, Y., Dahmen, N., Dittmeyer, R., Dolch, T., Dold, C., Förster, J., Herbst, M., Heß, D., Kalhori, A., Koop-Jakobsen, K., Li, Z., Mengis, N., Reusch, T. B. H., Rhoden, I., Sachs, T., Schmidt-Hattenberger, C., Stevenson, A., Thoni, T., Wu, J., Yeates, C. (2022): Scoping carbon dioxide removal options for Germany–What is their potential contribution to Net-Zero CO2? - Frontiers in Climate, 4, 810343.
https://doi.org/10.3389/fclim.2022.810343


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5014059
Abstract
In its latest assessment report the IPCC stresses the need for carbon dioxide removal (CDR) to counterbalance residual emissions to achieve net zero carbon dioxide or greenhouse gas emissions. There are currently a wide variety of CDR measures available. Their potential and feasibility, however, depends on context specific conditions, as among others biophysical site characteristics, or availability of infrastructure and resources. In our study, we selected 13 CDR concepts which we present in the form of exemplary CDR units described in dedicated fact sheets. They cover technical CO2 removal (two concepts of direct air carbon capture), hybrid solutions (six bioenergy with carbon capture technologies) and five options for natural sink enhancement. Our estimates for their CO2 removal potentials in 2050 range from 0.06 to 30 million tons of CO2, depending on the option. Ten of the 13 CDR concepts provide technical removal potentials higher than 1 million tons of CO2 per year. To better understand the potential contribution of analyzed CDR options to reaching net-zero CO2 emissions, we compare our results with the current CO2 emissions and potential residual CO2 emissions in 2050 in Germany. To complement the necessary information on technology-based and hybrid options, we also provide an overview on possible solutions for CO2 storage for Germany. Taking biophysical conditions and infrastructure into account, northern Germany seems a preferable area for deployment of many concepts. However, for their successful implementation further socio-economic analysis, clear regulations, and policy incentives are necessary.