The Tviberi Glacier valley is located in the Svaneti Region – a historic province of the Georgian Caucasus. Between 1884 and 2011, climate change has led to a dramatic retreat of the ice in this valley. Other glaciers in the Greater Caucasus evolved in a similar way in past decades. We investigated glaciers and their changes both in-situ and with remote sensing techniques in the 53 river bas ...[Read More]
Geodynamics
The Sassy Scientist – PhD angst
Every week, The Sassy Scientist answers a question on geodynamics, related topics, academic life, the universe or anything in between with a healthy dose of sarcasm. Do you have a question for The Sassy Scientist? Submit your question here. Iris asks: Will I ever finish my PhD? Dear Iris, Most researchers won’t admit to it publicly, but they all had doubts when trying to complete their PhD researc ...[Read More]
GeoLog
Games, games, games at the EGU 2019 meeting
At the EGU General Assembly 2019, more than 16,000 scientists came together in Vienna to present their research, discuss the latest advances in their field, and engage in workshops. On the Wednesday evening of the EGU conference, hundreds of researchers also came together to play geoscience-based games! Games can be great tools for geoscience outreach and education, as they have the ability to sim ...[Read More]
GeoLog
Challenging challenges in Earth science research at the EGU General Assembly!
At the EGU General Assembly 2019 last month, if you walked through the dark basement and the most distant hallways of the convention centre, into room -2.62 on Wednesday evening, you may have heard people introducing themselves followed by the words “… and I have a problem.” This may have sounded like a support group. In fact, if you had entered the room it would have been clear that you had just ...[Read More]
Geodynamics
On the resolution of seismic tomography models and the connection to geodynamic modelling (Is blue/red the new cold/hot?) (How many pixels in an Earth??)
Seismologists work hard to provide the best snapshots of the Earth’s mantle. Yet tomographic models based on different approaches or using different data sets sometimes obtain quite different details. It is hard to know for a non specialist if small scale anomalies can be trusted and why. This week Maria Koroni and Daniel Bowden, both postdocs in the Seismology and Wave Physics group in ETH ...[Read More]
Hydrological Sciences
Mostbet İncelemesi
Mostbet, spor bahisleri yapmak ve çevrimiçi casino oyunları oynamak için ideal bir platform sağlar. Kapsamlı casino bölümünde klasik slotlar ve gerçek krupiyeli masa oyunları bulunmaktadır. Bu uygulama, yeni oyunlar getirmek ve kullanıcı deneyimini geliştirmek için sık sık güncellenmektedir. Mostbet, hesap koruma sistemleri tarafından sağlanan güvenli ve güvenilir koruma nedeniyle rakipleri arasın ...[Read More]
Tectonics and Structural Geology
Minds over Methods: The faults of a rift
Do ancient structures control present earthquakes in the East African Rift? Åke Fagereng, Reader in Structural Geology, School of Earth and Ocean Sciences, Cardiff University For this edition of Minds over Methods, we have invited Åke Fagereng, reader in Structural Geology at the School of Earth and Ocean Sciences, Cardiff University. Åke writes about faults in the Malawi rift, and the seismic ha ...[Read More]
GeoLog
Imaggeo on Mondays: Sand and snow on the Tibetan Plateau
Roughly 50 million years ago, the Eurasian and Indian continental plates began to crash into each other, dramatically changing the landscape of modern-day Asia. The force of the collision caused the Earth to scrunch together at the zone of impact, subsequently forming the Himalayan mountain range. However, to the north of the crash, a stretch of the Earth uplifted without bunching up or wrinkling; ...[Read More]
WaterUnderground
Update on the groundwater situation in Cape Town
Post by Jared van Rooyen, PhD student in Earth Science at Stellenbosch University, in South Africa. When the Cape Town water crisis first emerged it took almost a year before active contingencies were put in place. Four major ideas were proposed: (1) Intense water restrictions for municipal water users, (2) greywater recycling facilities, (3) groundwater augmentation of water supplies, and (4) des ...[Read More]
Geochemistry, Mineralogy, Petrology & Volcanology
How does a crystal become a mineral?
There are some crystals that we are all familiar with. Look at an analogue clock (you may need a screwdriver and/or a hammer, and the watch owner might not be too happy) and you will probably find quartz – a crystal with silicon and oxygen arranged in a well-ordered three dimensional pattern. We can also describe quartz as silicon dioxide, which describes its chemistry – one silicon for every two ...[Read More]