Wednesday, October 16, 2019 - 12:00pm to 1:00pm
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HUCE Seminar Room 440, 26 Oxford St., Cambridge

Solar Geoengineering Research Program Seminar

Ulrike Lohmann, ETH Zurich Department of Environmental Systems Science, will present "Cirrus Seeding: Understanding the Complicated Little Sister of Stratospheric Geoengineering."

Climate engineering is a potential means to offset the climate warming caused by anthropogenic greenhouse gases. The most prominent and best researched climate engineering approach to alter Earth’s radiation balance is the injection of atmospheric aerosol particles or their precursor gases into the stratosphere, where these particles reflect solar radiation back to space. Climate engineering through cirrus cloud thinning, in contrast, mainly targets the longwave radiation that is emitted from Earth. Because cirrus clouds warm the climate, reducing their coverage and optical thickness leads to a cooling. In the talk, cirrus seeding will be discussed in all facets.

Contact Name: 

Amy Chang

Research Areas: 

Harvard University
Center for the Environment

Address: 26 Oxford Street, 4th Floor, Cambridge
Phone: (617) 495-0368

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