Del 0 - Springer Theses

Modelling Tropospheric Volcanic Aerosol

From Aerosol Microphysical Processes to Earth System Impacts

Inbunden, Engelska, 2013

AvAnja Schmidt

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Anja Schmidt's thesis is a unique and comprehensive evaluation of the impacts of tropospheric volcanic aerosol on the atmosphere, climate, air quality and human health. Using a state-of-the-art global microphysics model, the thesis describes and quantifies the impact of volcanic sulphur emissions on global aerosol, clouds and the radiative forcing of climate. The advanced model enables the first ever estimate of the impact of the emissions on aerosol microphysical properties such as particle number concentrations and sizes, and therefore a considerably improved ability to quantify the climate and air quality effects. There are several important discoveries in this thesis. Firstly, it is shown that continuously degassing volcanoes exert a major effect on global clouds and climate. Secondly, the impact of the 1783 Laki eruption in Iceland is re-examined to show that this long-lasting flood lava eruption would have had major effects on clouds and climate. Thirdly, by combining her research on volcanism, atmospheric science and epidemiology, she shows that a present-day Laki-like eruption would seriously affect European air quality and cause over 100000 premature deaths in the first year.

Produktinformation

Utgivningsdatum2013-01-16
Mått155 x 235 x 14 mm
Vikt418 g
FormatInbunden
SpråkEngelska
SerieSpringer Theses
Antal sidor145
Upplaga2013
FörlagSpringer-Verlag Berlin and Heidelberg GmbH & Co. KG
ISBN9783642348389

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Anja Schmidt is a Research Fellow at the Institute for Climate and Atmospheric Science, University of Leeds, since March 2011. Her current work involves modelling large-scale, sulphur-rich Icelandic volcanic eruptions using both a Global Aerosol Model (GLOMAP) and a Lagrangian particle model (NAME). She is currently using these models to simulate the impact of present-day Laki-style eruptions on air pollution and its subsequent impacts on human health and commercial aviation. Anja Schmidt received several honors and other accolades, for example: - Honourable mention for outstanding student presentation, VMSG 2011 - 3rd prize University of Leeds Postgraduate Researcher of the year competition, 2010 - University of Leeds PhD Research Scholarship (URS) (Oct 2007 - Oct 2010) - 1st prize University of Leeds Faculty of Environment Conference, Poster Competition, 2008 - IAVCEI young scientist grant (2008)

Motivation and background.- GLOMAP-mode overview.- The role of time-averaged volcanic sulphur emissions in the pre-industrial Era.- Impact of the 1783–1784AD Laki eruption on global aerosol formation processes and cloud condensation nuclei.- Impact of the 1783–1784 AD Laki eruption on cloud drop number concentrations and the first aerosol indirect effect.- What if a Laki-style eruption were to happen tomorrow?.

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Volcanism and Global Environmental Change

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