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The “Silver Lining Project” Marine Cloud Brightening Boats

Double duty geoengineering and weather modification boats that spray oceanic salt water into clouds (marine strato-cumulus) to make them reflect sunlight (albedo modification, solar radiation management) and weaken or steer hurricanes:

The Marine Cloud Brightening Project is an open, international collaboration of atmospheric scientists and other experts to advance understanding of cloud responses to aerosol particles – a critical part of understanding the climate, and a critical area in which human activities are thought to cause significant effects.

We seek to advance scientific understanding in this area by developing a framework and associated technology that will allow the scientific community to conduct experiments to understand cloud processes with a much greater degree of control than has previously been possible.

To do this we propose to:

  1. Develop new models and improve existing models of aerosol-cloud interactions needed for accurate modeling of climate and climate change.
  2. Use advanced techniques such as machine learning to analyze cloud-aerosol data to test and inform models.
  3. Develop spray technology that will generate controlled volumes and sizes of tiny sub-micrometer seawater particles in sufficient numbers to increase the local brightness of low clouds in a marine environment.
  4. Conduct small-scale, controlled field experiments with to provide new understanding of the interactions between aerosols and clouds. [1]

This research is currently undertaken by distinguished scientists and engineers at: Manchester University, Leeds University, NCAR, Pacific Northwest National Labs, Purdue University, University of Washington and the University of Edinburgh. [2]

“cool ocean surface waters in the regions in which the genesis of hurricanes occurs. This would be achieved by seeding low-level maritime stratocumulus clouds covering these regions – or ones from which ocean currents flow into these regions – in order to increase their reflectivity for incoming sunlight: thus producing a cooling.” [3]

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References

1.1.
"About Us - The Marine Cloud Brightening Project." Atmospheric Intervention Research (AIR) Program, College of the Environment, University of Washington (2008).
https://mcbproject.org/about-us/
2.2.
"The Silver Lining Project Collaborators." Silver Lining Project (2010).
http://web.archive.org/web/20100514105840/http://silverliningproj.org/collaborators.html
3.3.
"Hurricane Modification Workshop Report." The Department of Homeland Security Science & Technology Directorate, David Scraggs Research Center, Boulder, CO (2008).
http://www.homepages.ed.ac.uk/shs/Hurricanes/HURRICANE%20MODIFICATION%20WORKSHOP%20REPORTG.doc
4.4.
"KELLY WANSER, Executive Director, SilverLining; Co-founder and Senior Advisor, Marine Cloud Brightening Project" SilverLining NGO (2020).
https://www.silverlining.ngo/who-we-are
5.5.
Wasner, Kelly. "Planetary Intensive Care: Reflecting Sunlight to Cool the Climate." SLAC National Accelerator Laboratory, Stanford University, U.S. Department of Energy Office of Science (2018).
https://sites.slac.stanford.edu/colloquium/events/planetary-intensive-care-reflecting-sunlight-cool-the-climate
6.6.
Murphy, Kate, et al. "Here’s How We Could Brighten Clouds to Cool the Earth." IEEE Spectrum (2021).
https://spectrum.ieee.org/climate-change
7.7.
Latham, John, et al. "Weakening of hurricanes via marine cloud brightening (MCB)." Atmospheric Science Letters 13.4 (2012): 231-237.
http://www.homepages.ed.ac.uk/shs/Hurricanes/Hurricane%20reduction%20by%20cloud.pdf
8.8.
Salter, Stephen. "Marine Cloud Brightening Presentation." Asilomar International Conference on Climate Intervention (2010).
http://www.homepages.ed.ac.uk/shs/Asilomar%20Climate%20Intervention/Salter%20DECC%20Feb%202010.ppt
9.9.
Latham, John. "Control of global warming?." Nature 347.6291 (1990): 339-340.
https://doi.org/10.1038/347339b0

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