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Results of the EGU Extraordinary Spring Election 2019 for SSS Division President announced

  • EGU news
  • 15 April 2019

The EGU election for the role of President of the Soil System Sciences (SSS) Division was open for votes from all 2019 EGU members affiliated with the division from 9 April until 14 April 2019. Claudio Zaccone was elected as SSS Division President for a two-year term (2019–2021) starting today. He may stand for re-election for a further two years at the EGU Autumn Election 2019. Thank you to all EGU members who used their voting right and to the candidates!

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Winners of the EGU Public Engagement Grants 2019; Philip Heron (left) and Romana Hödl, Katrin Attermeyer, Laura E. Coulson, Astrid Harjung (right)

EGU Public Engagement Grants 2019 winners announced

  • EGU news
  • 8 April 2019

The EGU Outreach Committee has named Philip Heron as a winner of the EGU Public Engagement Grants 2019 for his project ‘Think like a scientist’. Astrid Harjung and her colleagues Laura Coulson, Romana Hödl and Katrin Attermeyer have also won one of this year’s grants with their project ‘Biogeocaching – a scavenger hunt for the treasures of biology around Lake Lunz’.

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Highlight articles

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Atmospheric Chemistry and Physics

Photooxidants from brown carbon and other chromophores in illuminated particle extracts

We measured hydroxyl radical (•OH), singlet oxygen (1O2*), and organic triplets (3C*) in illuminated aqueous particle extracts. After measuring the impact of dilution on oxidant concentrations, we extrapolated our results to predict them in ambient particles –1O2* and3C* concentrations appear to be greatly enhanced, while•OH appears largely unchanged. Two of these oxidants (1O2*,3C*) are not yet included in atmospheric models, and our results make it possible to include them in the future.

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Atmospheric Chemistry and Physics

Northern Hemisphere continental winter warming following the 1991 Mt. Pinatubo eruption: reconciling models and observations

This study provides compelling new evidence that the surface winter warming observed over the Northern Hemisphere continents following the 1991 eruption of Mt. Pinatubo was, very likely, completely unrelated to the eruption. This result has implications for earlier eruptions, as the evidence presented here demonstrates that the surface signal of even the very largest known eruptions may be swamped by the internal variability at high latitudes.

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Solid Earth

Time-lapse gravity and levelling surveys reveal mass loss and ongoing subsidence in the urban subrosion-prone area of Bad Frankenhausen, Germany

Subrosion, i.e. the underground leaching of soluble rocks, causes disastrous sinkhole events worldwide. We investigate the accompanying mass transfer using quarter-yearly time-lapse gravity campaigns over 4 years in the town of Bad Frankenhausen, Germany. After correcting for seasonal soil water content, we find evidence of underground mass loss and attempt to quantify its amount. This is the first study of its kind to prove the feasibility of this approach in an urban area.

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Atmospheric Chemistry and Physics

Quantifying variations in shortwave aerosol–cloud–radiation interactions using local meteorology and cloud state constraints

Aerosols are released by natural and human activities. When aerosols encounter clouds they interact in what is known as the indirect effect. Brighter clouds are expected due to the microphysical response; however, certain environments can trigger a modified response. Limits on the stability, humidity, and cloud thickness are applied regionally to investigate local cloud responses to aerosol, resulting in a range of indirect effects that would result in significant cooling or slight warming.

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Latest posts from EGU blogs

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IGLUNA: students work towards building an icy human habitat on the Moon!

IGLUNA: students work towards building an icy human habitat on the Moon!

What does it take to build a habitat in ice on the Moon? An international group of university students and professionals is working together to provide this answer and develop a sustainable and operational habitat in lunar ice. The project is called IGLUNA and is organised by the Swiss Space Center and the European Space Agency (ESA) as the first initiative from ESA_Lab, an ESA interuniversity research platform where young professionals across Europe can work together on space projects. Many …

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“Everything is interaction and reciprocal”

“Everything is interaction and reciprocal”

The first time I came across Alexander von Humboldt I was a freshman at the University of Bayreuth. We were proudly told that we were studying environmental science in a region where Humboldt used to work in, prior to his adventures in the Americas. Within EGU, von Humboldt is well known, in connection with the Union medal for “scientists who have performed research in developing regions for the benefit of people and society”, which is awarded in his memory. To …

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Geodynamics in Planetary Science

Geodynamics in Planetary Science

It is a question that humankind has been asking for thousands of years: Are we alone in the Universe or are there other worlds like our own? As of today, it is unknown whether or not inhabited planets exist outside of our own solar system. With the discovery of the extrasolar planet 51 Peg in 1992, it was confirmed that our sun is not the only star that hosts planets and therefore the search for extraterrestrial life has expanded beyond …

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