Search Results

• • 22 

    Academic Journals

  • Sort by: sorttype.publication.date.desc Newest sorttype.publication.date.asc Oldest sorttype.relevance Relevance

• An approach to sulfate geoengineering with surface emissions of carbonyl sulfide.

  Authors:Ilaria Quaglia, Daniele Visioni, Giovanni Pitari, and Ben KravitzFrom:Atmospheric Chemistry and Physics (Vol. 22, Issue 9) Peer-Reviewed

  May 3, 2022441 words Article Sulfate geoengineering (SG) methods based on lower stratospheric tropical injection of sulfur dioxide (SO.sub.2) have been widely discussed in recent years, focusing on the direct and indirect effects they would have on...

• Stratospheric ozone response to sulfate aerosol and solar dimming climate interventions based on the G6 Geoengineering Model Intercomparison Project (GeoMIP) simulations.

  Authors:Simone Tilmes, Daniele Visioni, Andy Jones, James Haywood, Roland Séférian, Pierre Nabat, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 7) Peer-Reviewed

  Apr. 8, 2022544 words Article This study assesses the impacts of stratospheric aerosol intervention (SAI) and solar dimming on stratospheric ozone based on the G6 Geoengineering Model Intercomparison Project (GeoMIP) experiments, called G6sulfur and...

• The impact of stratospheric aerosol intervention on the North Atlantic and Quasi-Biennial Oscillations in the Geoengineering Model Intercomparison Project (GeoMIP) G6sulfur experiment.

  Authors:Andy Jones, Jim M. Haywood, Adam A. Scaife, Olivier Boucher, Matthew Henry, Ben Kravitz, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 5) Peer-Reviewed

  Mar. 7, 2022268 words Brief article As part of the Geoengineering Model Intercomparison Project a numerical experiment known as G6sulfur has been designed in which temperatures under a high-forcing future scenario (SSP5-8.5) are reduced to those under a...

• An interactive stratospheric aerosol model intercomparison of solar geoengineering by stratospheric injection of SO.sub.2 or accumulation-mode sulfuric acid aerosols.

  Authors:Debra K. Weisenstein, Daniele Visioni, Henning Franke, Ulrike Niemeier, Sandro Vattioni, Gabriel Chiodo, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 5) Peer-Reviewed

  Mar. 4, 2022546 words Article Studies of stratospheric solar geoengineering have tended to focus on modification of the sulfuric acid aerosol layer, and almost all climate model experiments that mechanistically increase the sulfuric acid aerosol...

• Limitations of assuming internal mixing between different aerosol species: a case study with sulfate geoengineering simulations.

  Authors:Daniele Visioni, Simone Tilmes, Charles Bardeen, Michael Mills, Douglas G. MacMartin, Ben Kravitz, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 3) Peer-Reviewed

  Feb. 4, 2022387 words Case study, Brief ar... Simulating the complex aerosol microphysical processes in a comprehensive Earth system model can be very computationally intensive; therefore many models utilize a modal approach, where aerosol size distributions are...

• How large is the design space for stratospheric aerosol geoengineering?

  Authors:Yan Zhang, Douglas G. MacMartin, Daniele Visioni, and Ben KravitzFrom:Earth System Dynamics (Vol. 13, Issue 1) Peer-Reviewed

  Jan. 25, 2022279 words Brief article Stratospheric aerosol injection (SAI), as a possible supplement to emission reduction, has the potential to reduce some of the risks associated with climate change. Adding aerosols to the lower stratosphere would result...

• Dependency of the impacts of geoengineering on the stratospheric sulfur injection strategy - Part 1: Intercomparison of modal and sectional aerosol modules.

  Authors:Anton Laakso, Ulrike Niemeier, Daniele Visioni, Simone Tilmes, and Harri KokkolaFrom:Atmospheric Chemistry and Physics (Vol. 22, Issue 1) Peer-Reviewed

  Jan. 4, 2022524 words Article Injecting sulfur dioxide into the stratosphere with the intent to create an artificial reflective aerosol layer is one of the most studied options for solar radiation management. Previous modelling studies have shown...

• Ozone sensitivity to varying greenhouse gases and ozone-depleting substances in CCMI-1 simulations

  Authors:Olaf Morgenstern, Kane A. Stone, Robyn Schofield, Hideharu Akiyoshi, Yousuke Yamashita, Douglas E. Kinnison, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 2) Peer-Reviewed

  Jan. 29, 201888 words Brief article, Repor... Byline: Olaf Morgenstern, Kane A. Stone, Robyn Schofield, Hideharu Akiyoshi, Yousuke Yamashita, Douglas E. Kinnison, Rolando R. Garcia, Kengo Sudo, David A. Plummer, John Scinocca, Luke D. Oman, Michael E. Manyin, Guang...

• The effect of atmospheric nudging on the stratospheric residual circulation in chemistry-climate models

  Authors:Andreas Chrysanthou, Amanda C. Maycock, Martyn P. Chipperfield, Sandip Dhomse, Hella Garny, Douglas Kinnison, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 17) Peer-Reviewed

  Sept. 13, 2019567 words Brief article, Repor...

  We perform the first multi-model intercomparison of the impact of nudged meteorology on the stratospheric residual circulation using hindcast simulations from the Chemistry-Climate Model Initiative (CCMI). We examine...

• Differences in the quasi-biennial oscillation response to stratospheric aerosol modification depending on injection strategy and species.

  Authors:Henning Franke, Ulrike Niemeier, and Daniele VisioniFrom:Atmospheric Chemistry and Physics (Vol. 21, Issue 11) Peer-Reviewed

  June 8, 2021313 words Brief article A known adverse side effect of stratospheric aerosol modification (SAM) is the alteration of the quasi-biennial oscillation (QBO), which is caused by the stratospheric heating associated with an artificial aerosol layer....

• Expanding the design space of stratospheric aerosol geoengineering to include precipitation-based objectives and explore trade-offs.

  Authors:Walker Lee, Douglas MacMartin, Daniele Visioni, and Ben KravitzFrom:Earth System Dynamics (Vol. 11, Issue 4) Peer-Reviewed

  Nov. 23, 2020337 words Brief article Previous climate modeling studies demonstrate the ability of feedback-regulated, stratospheric aerosol geoengineering with injection at multiple independent latitudes to meet multiple simultaneous temperature-based...

• Potential ecological impacts of climate intervention by reflecting sunlight to cool Earth.

  Authors:Phoebe L. Zarnetske, Jessica Gurevitch, Janet Franklin, Peter M. Groffman, Cheryl S. Harrison, Jessica J. Hellmann, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 118, Issue 15) Peer-Reviewed

  Apr. 13, 202110,196 words Report 1560L

   Abstract Only

• Sulfur deposition changes under sulfate geoengineering conditions: quasi-biennial oscillation effects on the transport and lifetime of stratospheric aerosols

  Authors:Daniele Visioni, Giovanni Pitari, Paolo Tuccella, and Gabriele CurciFrom:Atmospheric Chemistry and Physics (Vol. 18, Issue 4) Peer-Reviewed

  Feb. 27, 201842 words Author abstract, Bri... Byline: Daniele Visioni, Giovanni Pitari, Paolo Tuccella, Gabriele Curci To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP).

  Authors:Ben Kravitz, Douglas G. MacMartin, Daniele Visioni, Olivier Boucher, Jason N. S. Cole, Jim Haywood, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 6) Peer-Reviewed

  Mar. 19, 2021221 words Brief article Solar geoengineering has been receiving increased attention in recent years as a potential temporary solution to offset global warming. One method of approximating global-scale solar geoengineering in climate models is...

• Quantifying the effect of mixing on the mean age of air in CCMVal-2 and CCMI-1 models

  Authors:Roland Eichinger, Hella Garny, Thomas Birner, Harald Boenisch, Giovanni Pitari, Eva Mancini, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 9) Peer-Reviewed

  May 14, 2018376 words Author abstract, Bri... The stratospheric age of air (AoA) is a useful measure of the overall capabilities of a general circulation model (GCM) to simulate stratospheric transport. Previous studies have reported a large spread in the...

• Upper tropospheric ice sensitivity to sulfate geoengineering

  Authors:Daniele Visioni, Giovanni Pitari, Glauco di Genova, Simone Tilmes, and Irene CionniFrom:Atmospheric Chemistry and Physics (Vol. 18, Issue 20) Peer-Reviewed

  Oct. 17, 2018402 words Author abstract, Bri...

  Aside from the direct surface cooling that sulfate geoengineering (SG) would produce, investigations of the possible side effects of this method are still ongoing, such as the exploration of the effect that SG may...

• Estimates of ozone return dates from Chemistry-Climate Model Initiative simulations

  Authors:Sandip S. Dhomse, Douglas Kinnison, Martyn P. Chipperfield, Ross J. Salawitch, Irene Cionni, Michaela I. Hegglin, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 11) Peer-Reviewed

  June 15, 2018779 words Author abstract, Bri... >We analyse simulations performed for the Chemistry-Climate Model Initiative (CCMI) to estimate the return dates of the stratospheric ozone layer from depletion caused by anthropogenic stratospheric chlorine and...

• Sulfate geoengineering impact on methane transport and lifetime: results from the Geoengineering Model Intercomparison Project (GeoMIP)

  Authors:Daniele Visioni, Giovanni Pitari, Valentina Aquila, Simone Tilmes, Irene Cionni, Glauco Di Genova, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 18) Peer-Reviewed

  Sept. 21, 2017342 words Author abstract, Bri... Sulfate geoengineering (SG), made by sustained injection of SO.sub.2 in the tropical lower stratosphere, may impact the CH.sub.4 abundance through several photochemical mechanisms affecting tropospheric OH and hence the...

• Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations.

  Authors:Daniele Visioni, Douglas G. MacMartin, Ben Kravitz, Olivier Boucher, Andy Jones, Thibaut Lurton, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 13) Peer-Reviewed

  July 6, 2021447 words Article We present here results from the Geoengineering Model Intercomparison Project (GeoMIP) simulations for the experiments G6sulfur and G6solar for six Earth system models participating in the Climate Model Intercomparison...

• Large-scale tropospheric transport in the Chemistry-Climate Model Initiative (CCMI) simulations

  Authors:Clara Orbe, Huang Yang, Darryn W. Waugh, Guang Zeng, Olaf Morgenstern, Douglas E. Kinnison, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 10) Peer-Reviewed

  May 25, 2018304 words Brief article, Repor... Understanding and modeling the large-scale transport of trace gases and aerosols is important for interpreting past (and projecting future) changes in atmospheric composition. Here we show that there are large...