27.07.2014

# New Publications

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Berdahl, Mira (2014): Impacts of Volcanic Eruptions and Geoengineering on Arctic Climate

Berdahl, Mira (2014): Impacts of Volcanic Eruptions and Geoengineering on Arctic Climate. (A Dissertation submitted to the Graduate School-New Brunswick Rutgers). New Brunswick.

"Here I study the Arctic response to natural (volcanic eruptions) and potential anthropogenic (geoengineering) stratospheric sulfate aerosols. I use a regional climate model and global climate model output from two modeling intercomparison projects."

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27.07.2014

# New Publications

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Klepper, G.; Rickels, W. (2014): Climate Engineering: Economic Considerations and Research Challenges

Klepper, G.; Rickels, W. (2014): Climate Engineering: Economic Considerations and Research Challenges. In Review of Environmental Economics and Policy 8 (2), pp. 270–289. DOI: 10.1093/reep/reu010.

"Thus we argue that a research strategy is needed that focuses on increasing our basic understanding of the earth system and conducting comprehensive assessments of the risk(s) associated with both climate change and the deployment of climate engineering."

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15.07.2014

# New Publications

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Wendel, JoAnna (2014): Seeding cirrus clouds could drive global net cooling

Wendel, JoAnna (2014): Seeding cirrus clouds could drive global net cooling. In Eos Trans. AGU 95 (27), p. 252. DOI: 10.1002/2014EO270015.

"Cirrus clouds—thin, wispy streamers that form in the upper troposphere when ice crystals nucleate around small dust or metallic particles—have a net warming effect on climate."

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02.07.2014

# Media

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Yale Scientific: The Good, the Bad, and the Ugly: The Potential Drawbacks of Manually Controlling Our Climate

Media response to Curry, Charles L.; et al. (2014). Discussion of CE risks.

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01.07.2014

# New Publications

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Xia, Lili; et al. (2014): Solar Radiation Management Impacts on Agriculture in China: A Case Study in the Geoengineering Model Intercomparison Project (GeoMIP)

Xia, Lili; Robock, Alan; Cole, Jason; Curry, Charles L.; Ji, Duoying; Jones, Andy et al. (2014): Solar Radiation Management Impacts on Agriculture in China: A Case Study in the Geoengineering Model Intercomparison Project (GeoMIP). In J. Geophys. Res. Atmos., pp. n/a. DOI: 10.1002/2013JD020630.

"To study rice and maize production changes in China, we used results from 10 climate models participating in the Geoengineering Model Intercomparison Project (GeoMIP) G2 scenario to force the Decision Support System for Agrotechnology Transfer (DSSAT) crop model."

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25.06.2014

# New Publications

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Barrett, Scott; et al. (2014): Climate engineering reconsidered

Barrett, Scott; Lenton, Timothy M.; Millner, Antony; Tavoni, Alessandro; Carpenter, Stephen; Anderies, John M. et al. (2014): Climate engineering reconsidered. In Nature Climate change 4 (7), pp. 527–529. DOI: 10.1038/nclimate2278.

"Stratospheric injection of sulphate aerosols has been advocated as an emergency geoengineering measure to tackle dangerous climate change, or as a stop-gap until atmospheric carbon dioxide levels are reduced. But it may not prove to be the game-changer that some imagine."

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22.06.2014

# New Publications

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Moore, John C.; et al. (2014): Arctic sea ice and atmospheric circulation under the GeoMIP G1 scenario

Moore, John C.; Rinke, Annette; Yu, Xiaoyong; Ji, Duoying; Cui, Xuefeng; Li, Yan et al. (2014): Arctic sea ice and atmospheric circulation under the GeoMIP G1 scenario. In J. Geophys. Res. Atmos. 119 (2), pp. 567–583. DOI: 10.1002/2013JD021060.

"We analyze simulated sea ice changes in eight different Earth System Models that have conducted experiment G1 of the Geoengineering Model Intercomparison Project (GeoMIP)."

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22.06.2014

# New Publications

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Curry, Charles L.; et al. (2014): A multimodel examination of climate extremes in an idealized geoengineering experiment

Curry, Charles L.; Sillmann, Jana; Bronaugh, David; Alterskjaer, Kari; Cole, Jason N. S.; Ji, Duoying et al. (2014): A multimodel examination of climate extremes in an idealized geoengineering experiment. In J. Geophys. Res. Atmos. 119 (7), pp. 3900–3923. DOI: 10.1002/2013JD020648.

"Temperature and precipitation extremes are examined in the Geoengineering Model Intercomparison Project experiment G1, wherein an instantaneous quadrupling of CO2 from its preindustrial control value is offset by a commensurate reduction in solar irradiance."

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20.06.2014

# New Publications

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Tang, M. J.; et al. (2014): Heterogeneous reaction of N2O5 with airborne TiO2 particles and its implication for stratospheric particle injection

Tang, M. J.; Telford, P. J.; Pope, F. D.; Rkiouak, L.; Abraham, N. L.; Archibald, A. T. et al. (2014): Heterogeneous reaction of N2O5 with airborne TiO2 particles and its implication for stratospheric particle injection. In Atmos. Chem. Phys. Discuss. 14 (4), pp. 4421–4456. DOI 10.5194/acpd-14-4421-2014.

SRM study. "In this work the heterogeneous reaction of airborne sub-micrometre TiO2 particles with N2O5 has been investigated for the first time, at room temperature and different relative humidities (RH), using an atmospheric pressure aerosol flow tube."

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20.06.2014

# New Publications

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Hansson, Anders (2014): Ambivalence in calculating the future: the case of re-engineering the world

Hansson, Anders (2014): Ambivalence in calculating the future: the case of re-engineering the world. In Journal of Integrative Environmental Sciences 11 (2), pp. 125–142. DOI 10.1080/1943815X.2014.921629.

"This paper critically investigates scientific knowledge production under conditions of major uncertainty. It discusses how uncertainty, ethics and social considerations are treated in the SAI literature, which applies techno-economic models."

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