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Gasparini, Blaž; Lohmann, Ulrike (2016): Why cirrus cloud seeding cannot substantially cool the planet

Gasparini, Blaž; Lohmann, Ulrike (2016): Why cirrus cloud seeding cannot substantially cool the planet. In J. Geophys. Res. Atmos. 121 (9), pp. 4877–4893. DOI 10.1002/2015JD024666.

"The net warming effect of cirrus clouds has driven part of the geoengineering research toward the idea of decreasing their occurrence frequency by seeding them with efficient ice nucleating particles. We study responses of cirrus clouds to simplified global seeding strategies in terms of their radiative fluxes with the help of the ECHAM-HAM general circulation model. Our cirrus scheme takes into account the competition between homogeneous and heterogeneous freezing, preexisting ice crystals, and the full spectrum of updraft velocities."

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