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Environmental impact of stratospheric particle injection for geoengineering



Important description
Geoengineering, the deliberate manipulation of the global environment, has been proposed as a method for managing anthropogenic climate change. Many techniques for geoengineering the climate have been suggested [1] and can be roughly divided into two strategies: either solar radiation management (SRM) or carbon capture and storage (CCS). The injection of aerosols into the stratosphere is an SRM scheme and has the potential to be both affordable and highly effective when compared with other geoengineering schemes. The injected particles scatter solar radiation back to space and thus reduce the radia¬tive balance of Earth. A similar effect is observed after major volcanic eruptions. A range of different particle compositions have been suggested for injections; to date, most studies have focused on sulphuric acid particles to mimic volcanoes. However, the composition and size of volcanic particles are far from optimal for scattering solar radiation. Aerosols with other compositions, such as minerals, could be used to dra¬matically increase the amount of light scatter achieved on a per mass basis, thereby reducing the total particle mass required for injection [2]. The chemical consequences of injecting such particles into the stratosphere are uncertain. This project will investigate the environmental impact of putting large geoengineered aerosol loadings into the stratosphere.


Eligibility and other criteria
UK Students Only: This research project is one of a number of projects at this institution. It is in competition for funding with one or more of these projects. Usually the project which receives the best applicant will be awarded the funding. The funding is available to citizens of a number of European countries (including the UK). In most cases this will include all EU nationals. However full funding may not be available to all applicants and you should read the full department and project details for further information.


Application deadline
*31 January 2013


Additional information, and important URL
http://www.birmingham.ac.uk/schools/gees/courses/postgraduate/phd-projets.aspx

This PhD is competition funded at Home&EU level, and applicants should apply via http://www.birmingham.ac.uk/schools/gees/courses/postgraduate/phd-projets.aspx where they should click on ‘Apply now’ and choose the option ‘PhD in Department of Division of Environmental Health and Risk Management’ and give the PhD title in the ‘Funding details’ section of the online application.


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