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Climate and Space Sciences and Engineering pres.

CLASP Seminar Series: Dr. Julia Schmale

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CLASP is very pleased to welcome Dr. Julia Schmale of the Paul Scherrer Institute.

Dr. Schmale will give a presentation titled:
"Aerosol-climate effects in extreme environments: Insights from measurements in Central Asia, the Southern Ocean and the high Arctic"

Abstract: Extreme environments such as polar and high altitude regions are more strongly affected by global change than other regions on Earth. At the same time, the change these environments undergo can strongly affect humanity, e.g. depleting water resources with retreating glaciers, or changing weather patterns in North America and Europe with a warming Arctic. Therefore, it is important to develop process-level understanding of such environmental change in order to more accurately simulate it and to develop future scenarios.
Among the many drivers of change are aerosol particles that can reflect radiation directly or indirectly via cloud formation, and hence influence Earth’s energy budget.

In this presentation, I will discuss the climate-relevant role of aerosol particles in extreme environments. The talk will cover field observations of deposited aerosols on glaciers in Central Asia and the implications for accelerated melt. It will also discuss how studying extreme environments that are in part still untouched by human influence -- such as the Southern Ocean or the high Arctic -- can help to better constrain anthropogenic radiative forcing globally caused by agents other than greenhouse gases. I will close the presentation with preliminary results from the recent Arctic Ocean 2018 expedition to the North Pole and give an outlook of what we expect from the currently ongoing one year long drift experiment MOSAiC in the Arctic.
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