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Submit your session ideas for the EGU General Assembly 2020!

  • EGU news
  • 25 June 2019

The call for session proposals for the EGU General Assembly 2020 is now open. Until 5 September you can suggest new scientific sessions with conveners and description, and/or submit short course ideas. The deadline to submit proposals for Union Symposia and Great Debates is 15 August. The next EGU General Assembly is taking place in Vienna, Austria on 3–8 May 2020.

Public at a EGU 2014 General Assembly Great Debate on geoengineering

Apply for EGU financial support for training schools and conference series

  • EGU news
  • 4 June 2019

Do you need support from the EGU to organise a training school or a conference in the Earth, planetary or space sciences? Up until 15 August 2019, we welcome applications from EGU members interested in organising an Angioletta Coradini Conference, a Mary Anning Conference or an Alexander von Humboldt Conference. To apply, please check the conference series benefits and requirements page before submitting your proposal. We also welcome proposals for training schools scheduled for 2020.

Highlight articles

Atmospheric Measurement Techniques

Detecting layer height of smoke aerosols over vegetated land and water surfaces via oxygen absorption bands: hourly results from EPIC/DSCOVR in deep space

Detecting aerosol layer height from space is challenging. The traditional method relies on active sensors such as lidar that provide the detailed vertical structure of the aerosol profile but is costly with limited spatial coverage (more than 1 year is needed for global coverage). Here we developed a passive remote sensing technique that uses backscattered sunlight to retrieve smoke aerosol layer height over both water and vegetated surfaces from a sensor 1.5 million kilometers from the Earth.

Solid Earth

Induced seismicity in geologic carbon storage

To meet the goal of the Paris Agreement to limit temperature increase below 2 ºC, geologic carbon storage (GCS) will be necessary at the gigatonne scale. But to successfully deploy GCS, seismicity induced by CO2injection should be controlled and maintained below a threshold that does not generate nuisances to the population. We conclude that felt induced seismicity can be minimized provided that a proper site characterization, monitoring and pressure management are performed.

Hydrology and Earth System Sciences

Technical note: A microcontroller-based automatic rain sampler for stable isotope studies

Most commercial automatic rain samplers are costly and do not prevent evaporation from the collection bottles. Hence, we have developed a microcontroller-based collector enabling timer-actuated integral rain sampling. The simple, low-cost device is robust and effectively minimizes post-sampling evaporation. The excellent performance of the collector during an evaporation experiment in a lab oven suggests that even multi-week field deployments in warm climates are feasible.

Atmospheric Chemistry and Physics

Aerosol pH and its driving factors in Beijing

Aerosol acidity plays a key role in secondary aerosol formation. To provide a more comprehensive reference for aerosol pH and a basis for controlling secondary aerosol generation, this study used the latest data covering four seasons and different particle sizes to obtain the characteristics of aerosol pH and explore the main factors affecting aerosol pH and gas–particle partitioning in the Beijing area.

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