Conference Agenda
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WG2: Transport of atmospheric aerosols, modelling and climate forcing (I)
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| Presentations | ||||
1:45pm - 2:00pm
MO3-1: 1 Dust in the Arctic: interactions between climate, dust, and ecosystems 1Finnish Meteorological Institute, Finland; 2Agricultural University of Iceland; 3Czech University of Life Sciences; 4NILU; 5Niels Bohr Institute, Aarhus University; 6Copenhagen University; 7Lund University; 8Interdisciplinary Centre for Climate Change (iClimate), Aarhus University Dust in the Arctic is an emerging topic related to climate and environmental impacts. Here we give an overview of our recent understanding on dust emissions and their long-range transport routes, deposition, and ecosystem effects in the Arctic.
2:00pm - 2:15pm
MO3-1: 2 Vegetation fires as a source of soil-dust particles – a global model perspective Leibniz Institute for Tropospheric Research, Germany We investigate the potential of wildfires to emit soil-dust particles on a global scale using a newly developed parameterization that was implemented into the aerosol-climate model ICON-HAM. This work is embedded in the newly established Leibniz ScienceCampus ‘BioSmoke’ (smoke and bioaerosols in a changing climate) linking the interplay of wildfires, atmosphere and biosphere in the context of climate and environmental change.
2:15pm - 2:30pm
MO3-1: 3 Dusty Skies, Uncertain Power: Saharan dust storms and photovoltaic energy forecasting in Central Europe 1University of Pannonia, Hungary; 2HUN-REN Research Centre for Astronomy and Earth Sciences, Hungary; 3ELTE Eötvös Loránd University, Institute of Geography and Earth Sciences; 4CSFK, MTA Centre of Excellence, Budapest, Hungary Saharan dust events significantly impact photovoltaic power forecasting in Hungary, where solar energy plays an increasing role. Analyzing 46 dust storms (2020–2023), this study finds that forecast errors were 30.9% larger on dusty days. Indirect effects, particularly dust-induced cloud modifications, were more influential than direct radiative reduction. Extensive cirrus cover caused production deficits, while unexpected cloud dissipation led to surplus generation. As dust storm frequency rises due to shifting atmospheric patterns, current forecasting models fail to account for real-time dust-cloud interactions. Improved forecasts integrating real-time dust transport data and cloud physics are essential for grid stability and renewable energy reliability.
2:30pm - 2:45pm
MO3-1: 4 Trace metal-containing aerosols in the atmosphere of the Indian Ocean 1Joint Mass Spectrometry Centre, University of Rostock and Helmholtz Munich, Germany; 2Photonion GmbH, Schwerin, Germany; 3Institute for Physics, University of Rostock, Germany; 4GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany Atmospheric aerosol deposition supplies essential micronutrients like iron to oceans, influencing marine ecosystems and carbon sequestration. While desert dust is the primary source, its bioavailability is low compared to anthropogenic emissions, such as pyrogenic iron. This study presents preliminary data from a 2024 Indian-Ocean ship cruise using a single-particle mass spectrometer with resonant laser ionization, enabling sensitive detection of transition metals. SPMS identified thousands of particles from long-range transport, including anthropogenic sources, with diverse compositions reflecting varied origins and aging processes. The findings highlight a potentially underestimated role of anthropogenic aerosols in biogeochemical cycles, underscoring the need for further research.
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