South auroral oval and polar rain simulated in laboratory using the Planeterrella experiment (J. Lilensten et al., UJF/CNRS, Grenoble, France, online). The Planeterrella was redesigned after K. Birkeland’s original terrella experiments, which in the 1900s helped him unveil the mechanisms at the origin of polar aurorae. A magnetised aluminium sphere is placed in a vacuum …[Read More]
Latest posts
Call for Sessions for EGU General Assembly 2012
The public call for sessions for the European Geosciences Union General Assembly 2012 has been issued. The EGU GA 2012 will be held at the Austria Center Vienna (ACV) from 22 April to 27 April 2012. The details are below, the web page to visit to submit sessions is Call for Sessions page of the …[Read More]
Imaggeo on Mondays: Damavand Volcano
Damavand Volcano, Iran. A nice cap cloud can be seen at the top of the mountain. Cap cloud is an orographic cloud that is formed over a mountain peak, formed by the cooling and condensation of moist air climbing up and over the peak. Cap clouds appear to remain stationary. Image by Mostafa Ganjian, distributed …[Read More]
GIFT presentations available online
The presentations from the GIFT workshops at past General Assemblies are now available online (where the author has given permission). The GIFT programme offers teachers of elementary to high school the opportunity to upgrade their knowledge in geophysical themes and to shorten the time between new discoveries and textbook information. There are three main activities …[Read More]
Imaggeo on Mondays:Iron oxidizing Leptothrix bacteria
Leptothrix bacteria, in general, are known to be capable of oxidizing both iron(II) and manganese(II) producing ferric hydroxide and manganese oxide. Image by Bertram Schmidt, distributed by EGU under a Creative Commons License. Imaggeo is the online open access geosciences image repository of the European Geosciences Union. Every geoscientist who is an amateur photographer (but also …[Read More]
Keeping connected with the EGU
There are various ways to keep connected with the European Geosciences Union, more are being developed but the current ones are below. The EGU General Assembly 2011 Survey is open until 30 June, it can be completed online. The results of these GA Surveys are examined carefully and helped when making important decisions for future …[Read More]
Imaggeo on Mondays: Lightning strikes in New York City
A devastating storm raged over New York city on 18 August 2009, uprooting more than 100 trees in Central Park and damaging hundreds of others. This photo was taken from a balcony in East Harlem during that storm, catching one of the many fierce lightning strikes. Image by Bastiaan van Diedenhoven, distributed by EGU under …[Read More]
GIFT Distinguished Lecture Series
The EGU Committee on Education is going to inaugurate an annual series of Geosciences Information For Teachers (GIFT) Distinguished Lectures, to be given by top scientists who have previously participated as speakers in GIFT workshops during the EGU General assemblies. High school teachers, high school directors, educators for teachers from the European area are welcome …[Read More]
Imaggeo on Mondays: Marine Gastropod
A marine pelagic gastropod collected at 1500 m depth in the Oceanic Flux Program sediment trap 75 km southeast of Bermuda. Image by Maureen Conte, distributed by EGU under a Creative Commons licence. Imaggeo is the online open access geosciences image repository of the European Geosciences Union. Every geoscientist who is an amateur photographer (but …[Read More]
Nominations for EGU Awards: deadline 15 June
The deadline for nominations for EGU Awards at division and union level is the 15 June 2011. Details of the process can be found on the EGU website with a checklist for nominations.