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Dr Anja Schmidt

Environmental and climatic effects of volcanic gases and aerosols

I am an Interdisciplinary Lecturer in Climate Modelling jointly affiliated with the Departments of Chemistry and Geography. I combine expertise in atmospheric science, climate modelling, and volcanology to advance the current understanding of volcanic impacts and hazards. In particular, I investigate the impact of volcanism on atmospheric chemistry, climate, air quality, human health, ecosystems and aviation using a wide range of atmospheric models and volcanological datasets. I am particularly interested in continuously degassing volcanoes and effusive Icelandic volcanic eruptions and their effects on air quality and climate. I am convinced that these eruptions serve as a perfect natural lab and can help better understand and quantify aerosol-cloud interactions.

 

I have extensively studied the most recent Icelandic eruption at Holuhraun (Bárðarbunga volcano). Starting in August 2014, Holuhraun erupted effusively for 6 months and emitted up to nine times as much sulphur dioxide per day as all European industry combined, which led to a measureable episodic degradation of air quality across Northern Europe in September 2014 (see Schmidt et al., 2015). Combining satellite observations with numerical modelling, we were also able to demonstrate that the eruption had a discernable effect on the brightness of low-level clouds over the North Atlantic (Gettelman et al., 2015; Malavelle et al., 2017).

Publications

Climatic control on Icelandic volcanic activity during the mid-Holocene
GT Swindles, IP Savov, A Schmidt, A Hooper, CB Connor, JL Carrivick
– Geology
(2018)
46,
e444
Aerosol midlatitude cyclone indirect effects in observations and high-resolution simulations
DT McCoy, PR Field, A Schmidt, DP Grosvenor, FAM Bender, BJ Shipway, AA Hill, JM Wilkinson, GS Elsaesser
– Atmospheric Chemistry and Physics
(2018)
18,
5821
Model simulations of the chemical and aerosol microphysical evolution of the Sarychev Peak 2009 eruption cloud compared to in situ and satellite observations
T Lurton, F Jégou, G Berthet, JB Renard, L Clarisse, A Schmidt, C Brogniez, TJ Roberts
– Atmospheric Chemistry and Physics
(2018)
18,
3223
Multi-model comparison of the volcanic sulfate deposition from the 1815 eruption of Mt. Tambora
L Marshall, A Schmidt, M Toohey, KS Carslaw, GW Mann, M Sigl, M Khodri, C Timmreck, D Zanchettin, WT Ball, S Bekki, J Brooke, S Dhomse, C Johnson, JF Lamarque, AN Legrande, MJ Mills, U Niemeier, JO Pope, V Poulain, A Robock, E Rozanov, A Stenke, T Sukhodolov, S Tilmes, K Tsigaridis, F Tummon
– Atmospheric Chemistry and Physics
(2018)
18,
2307
Evaluating the relationship between climate change and volcanism
CL Cooper, GT Swindles, IP Savov, A Schmidt, KL Bacon
– Earth-Science Reviews
(2018)
177,
238
Climatic control on Icelandic volcanic activity during the mid-Holocene
GT Swindles, EJ Watson, IP Savov, IT Lawson, A Schmidt, A Hooper, CL Cooper, CB Connor, M Gloor, JL Carrivick
– Geology
(2018)
46,
47
Radiative and chemical response to interactive stratospheric sulfate aerosols in fully coupled CESM1(WACCM)
MJ Mills, JH Richter, S Tilmes, B Kravitz, DG MacMartin, AA Glanville, JJ Tribbia, J-F Lamarque, F Vitt, A Schmidt, A Gettelman, C Hannay, JT Bacmeister, DE Kinnison
– Journal of Geophysical Research: Atmospheres
(2017)
122,
13061
Observing the Impact of Calbuco Volcanic Aerosols on South Polar Ozone Depletion in 2015
KA Stone, S Solomon, DE Kinnison, MC Pitts, LR Poole, MJ Mills, A Schmidt, RR Neely, D Ivy, MJ Schwartz, JP Vernier, BJ Johnson, MB Tully, AR Klekociuk, G König-Langlo, S Hagiya
– Journal of Geophysical Research: Atmospheres
(2017)
122,
11
Understanding the environmental impacts of large fissure eruptions: Aerosol and gas emissions from the 2014–2015 Holuhraun eruption (Iceland)
E Ilyinskaya, A Schmidt, TA Mather, FD Pope, C Witham, P Baxter, T Jóhannsson, M Pfeffer, S Barsotti, A Singh, P Sanderson, B Bergsson, B McCormick Kilbride, A Donovan, N Peters, C Oppenheimer, M Edmonds
– Earth and Planetary Science Letters
(2017)
472,
309
Strong constraints on aerosol-cloud interactions from volcanic eruptions.
FF Malavelle, JM Haywood, A Jones, A Gettelman, L Clarisse, S Bauduin, RP Allan, IHH Karset, JE Kristjánsson, L Oreopoulos, N Cho, D Lee, N Bellouin, O Boucher, DP Grosvenor, KS Carslaw, S Dhomse, GW Mann, A Schmidt, H Coe, ME Hartley, M Dalvi, AA Hill, BT Johnson, CE Johnson, JR Knight, FM O'Connor, DG Partridge, P Stier, G Myhre, S Platnick, GL Stephens, H Takahashi, T Thordarson
– Nature
(2017)
546,
485
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Telephone number

01223 336369

Email address

as2737@cam.ac.uk