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    Academic Journals

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• 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...

• Technical note: Simultaneous fully dynamic characterization of multiple input-output relationships in climate models

  Authors:Ben Kravitz, Douglas G. MacMartin, Philip J. Rasch, and Hailong WangFrom:Atmospheric Chemistry and Physics (Vol. 17, Issue 4) Peer-Reviewed

  Feb. 17, 2017191 words Brief article We introduce system identification techniques to climate science wherein multiple dynamic input-output relationships can be simultaneously characterized in a single simulation. This method, involving multiple small...

• Measurement accuracy in control of segmented-mirror telescopes

  Authors:Douglas G. MacMartin and Gary ChananFrom:Applied Optics (Vol. 43, Issue 3) Peer-Reviewed

  Jan. 20, 2004129 words Author abstract

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• Dynamic climate emulators for solar geoengineering

  Authors:Douglas G. MacMartin and Ben KravitzFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 24) Peer-Reviewed

  Dec. 22, 2016207 words Author abstract, Bri... Climate emulators trained on existing simulations can be used to project project the climate effects that result from different possible future pathways of anthropogenic forcing, without further relying on general...

• Control and alignment of segmented-mirror telescopes: matrices, modes, and error propagation

  Authors:Gary Chanan, Douglas G. MacMartin, Jerry Nelson, and Terry MastFrom:Applied Optics (Vol. 43, Issue 6) Peer-Reviewed

  Feb. 20, 200491 words Author abstract

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• 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...

• Covariance averaging in the analysis of uncertain systems

  Authors:Steven R. Hall, Douglas G. MacMartin, and Dennis S. BernsteinFrom:IEEE Transactions on Automatic Control (Vol. 38, Issue 12) Peer-Reviewed

  Dec. 199381 words Article

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• Reaching 1.5 and 2.0 °C global surface temperature targets using stratospheric aerosol geoengineering.

  Authors:Simone Tilmes, Douglas G. MacMartin, Jan T. M. Lenaerts, Leo van Kampenhout, Laura Muntjewerf, Lili Xia, et al.From:Earth System Dynamics (Vol. 11, Issue 3) Peer-Reviewed

  July 14, 2020389 words Brief article A new set of stratospheric aerosol geoengineering (SAG) model experiments has been performed with Community Earth System Model version 2 (CESM2) with the Whole Atmosphere Community Climate Model (WACCM6) that are based...

• Mission-driven research for stratospheric aerosol geoengineering.

  Authors:Douglas G. MacMartin and Ben KravitzFrom:Proceedings of the National Academy of Sciences of the United States (Vol. 116, Issue 4) Peer-Reviewed

  June 22, 20195,438 words Report 1520L

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• Geoengineering as a design problem

  Authors:Ben Kravitz, Douglas G. MacMartin, Hailong Wang, and Philip J. RaschFrom:Earth System Dynamics (Vol. 7, Issue 2) Peer-Reviewed

  May 24, 2016201 words Brief article Understanding the climate impacts of solar geoengineering is essential for evaluating its benefits and risks. Most previous simulations have prescribed a particular strategy and evaluated its modeled effects. Here we...

• CESMI(WACCM) STRATOSPHERIC AEROSOL GEOENGINEERING LARGE ENSEMBLE PROJECT: An overview is presented of the GLENS project, a community-wide effort enabling analyses of global and regional changes from stratospheric aerosol geoengineering in the presence of internal climate variability.

  Authors:Simone Tilmes, Jadwiga H. Richter, Ben Kravitz, Douglas G. MacMartin, Michael J. Mills, Isla R. Simpson, et al.From:Bulletin of the American Meteorological Society (Vol. 99, Issue 11) Peer-Reviewed

  Nov. 20185,828 words Technical report 1600LABSTRACT This paper describes the Stratospheric Aerosol Geoengineering Large Ensemble (GLENS) project, which promotes the use of a unique model dataset, performed with the Community Earth System Model, with the Whole...

• 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...

• Dynamics and control of shock motion in a near-isentropic inlet

  Author:Douglas G. MacMartinFrom:Journal of Aircraft (Vol. 41, Issue 4) Peer-Reviewed

  July-August 2004119 words Author abstract

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• Studying geoengineering with natural and anthropogenic analogs

  Authors:Alan Robock, Douglas G. MacMartin, Riley Duren, and Matthew W. ChristensenFrom:Climatic Change (Vol. 121, Issue 3) Peer-Reviewed

  Dec. 2013363 words Author abstract, Rep...

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• Harnessing stratospheric diffusion barriers for enhanced climate geoengineering.

  Authors:Nikolas O. Aksamit, Ben Kravitz, Douglas G. MacMartin, and George HallerFrom:Atmospheric Chemistry and Physics (Vol. 21, Issue 11) Peer-Reviewed

  June 11, 2021327 words Brief article Stratospheric sulfate aerosol geoengineering is a proposed method to temporarily intervene in the climate system to increase the reflectance of shortwave radiation and reduce mean global temperature. In previous climate...