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EGU flags outisde the Austria Center Vienna during the EGU General Assembly

EGU General Assembly 2020 Media Advisory 1 – Media registration now open

  • Press release
  • 18 December 2019

The 2020 General Assembly of the European Geosciences Union (EGU) provides an opportunity for journalists to find out about the latest research in the Earth, planetary and space sciences and to talk to researchers from all over the world. The meeting, the largest geosciences conference in Europe, is anticipated to bring together more than 15,000 scientists. It runs from 3 to 8 May at the Austria Center Vienna, in Vienna, Austria.

Aerial image of the Sudd wetlands in South Sudan

One-third of recent global methane increase comes from tropical Africa

  • Press release
  • 11 December 2019

Concentrations of methane, a greenhouse gas about 28 times more potent than carbon dioxide, have risen steadily in Earth’s atmosphere since 2007. Although several potential explanations, including an increase in methane emissions from the tropics, could account for this upsurge, due to a lack of regional data scientists have been unable to pinpoint the source. Now a study published in the European Geosciences Union (EGU) journal Atmospheric Chemistry and Physics uses satellite data to determine that one-third of the global increase originates in Africa’s tropics.

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Become an EGU member or renew your membership!

  • EGU news
  • 5 December 2019

The EGU is Europe’s premier geosciences union, dedicated to the pursuit of excellence in the Earth, planetary, and space sciences for the benefit of humanity, worldwide. Membership is open to individuals who subscribe to the objectives of the EGU and who are professionally engaged in or associated with either the geosciences, planetary and space sciences, or related studies. Membership is affordable and provides a number of benefits, including eligibility to present your research at the annual EGU General Assembly and substantially reduced registrations rates to the meeting.

Highlight articles

The Cryosphere

A decade of variability on Jakobshavn Isbræ: ocean temperatures pace speedthrough influence on mélange rigidity

Jakobshavn Isbræ, considered to be Greenland’s fastest glacier, has varied its speed and thinned dramatically since the 1990s. Here we examine the glacier’s behaviour over the last decade to better understand this behaviour. We find that when the floating ice (mélange) in front of the glacier freezes in place during the winter, it can control the glacier’s speed and thinning rate. A recently colder ocean has strengthened this mélange, allowing the glacier to recoup some of its previous losses.


Electron spin resonance (ESR) thermochronometry of the Hida range of the Japanese Alps: validation and future potential

Rates of landscape evolution over the past million years are difficult to quantify. This study develops a technique which is able to measure changes in rock cooling rates (related to landscape evolution) over this timescale. The technique is based on the electron spin resonance dating of quartz minerals. Measurement protocols and new numerical models are proposed that describe these data, allowing for their translation into rock cooling rates.

Atmospheric Chemistry and Physics

Altitude profiles of cloud condensation nuclei characteristics across the Indo-Gangetic Plainprior to the onset of the Indian summer monsoon

Concurrent measurements of the altitude profiles of the concentration of cloud condensation nuclei (CCNs), as a function of supersaturation (ranging from 0.2 % to 1.0 %), and aerosol optical properties were carried out aboard an instrumented aircraft across the Indo-Gangetic Plain (IGP) just prior to the onset of the 2016 Indian summer monsoon (ISM). A high CCN concentration is observed up to 2.5 km across the IGP, indicating the significant possibility of aerosol indirect effects.

Ocean Science

Why did deep convection persist over four consecutive winters (2015–2018) southeast of Cape Farewell?

The region south of Cape Farewell (SCF) is recognized as a deep convection site. Convection deeper than 1300 m occurred SCF in 2015 and persisted during three additional winters. Extreme air–sea buoyancy fluxes caused the 2015 event. For the following winters, air–sea fluxes were close to the climatological average, but local cooling above 800 m and the advection below 1200 m of a fresh anomaly from the Labrador Sea decreased stratification and allowed for the persistence of deep convection.

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