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GeoLog

Imaggeo on Mondays: Dust devil sighting in the Atacama Desert

Imaggeo on Mondays: Dust devil sighting in the Atacama Desert

Dust devils are like miniature tornadoes, they form when a pocket of hot air near the surface moves fast upward and meets cooler air above it. As the air rapidly rises, the column of hot air is stretched vertically, thereby moving mass closer to the axis of rotation, which causes intensification of the spinning effect by conservation of angular momentum. In the Atacama Desert [in Chile] they are r ...[Read More]

CR
Cryospheric Sciences

Image of the Week – Who let the (sun)dogs out?

Image of the Week – Who let the (sun)dogs out?

How peaceful it is to contemplate the sky … This is especially true of polar northern or southern skies where the low temperatures can engender unique light phenomena. We often tend call them all, wrongly, sundogs, but in fact, many more phenomena exist. To list a few, you can observe a parhelic circle, a 22° halo, a pair of sun dogs, a lower tangent arc, a 46° halo, a circumzenithal arc, a parry ...[Read More]

GeoLog

Geosciences Column: climate modelling the world of Game of Thrones

Geosciences Column: climate modelling the world of Game of Thrones

Disclaimer: This article contains minor spoilers for Season 8 of “Game of Thrones.” A basic understanding of the world of Game of Thrones is assumed in this post. The Game of Thrones world of ice and fire is an unpredictable place both politically and environmentally. While the fate of the Iron Throne is yet to be confirmed, a humble steward has been working diligently to make some sense of the pl ...[Read More]

WaterUnderground

Data sharing: an update on new and existing initiatives

Data sharing: an update on new and existing initiatives

Post by Anne Van Loon, Gemma Coxon, and Bentje Brauns. Last year, Anne Van Loon wrote about data sharing initiatives in hydrology (“Data drought or data flood?” 28 May 2018). This post gives an update on existing and new initiatives. CAMELS (Catchment Attributes and MEteorology for Large-sample Studies)  The CAMELS datasets are expanding: from the United States and Chile to Great Britain and Austr ...[Read More]

GD
Geodynamics

Introducing the blog team!

Introducing the blog team!

It’s time for another proper introduction of the blog team! As you will probably know, things have been a bit silent on the blog front lately. This is because all the blog editors were very busy and also: it’s hard to upload 52 times a year. You come up with some great blog ideas! (if you do: e-mail us, please!). Luckily, we used the EGU General Assembly to find some fresh blood for th ...[Read More]

NH
Natural Hazards

Our audience on stage: new NhET blog column

Our audience on stage: new NhET blog column

The diffusion of social media such as Facebook, Twitter, etc. in addition to traditional blogging led to a diversification in the impact of science communication. However, as Eryn Brown and Chris Woolston wrote in Nature last January, blogs continue to be effective platforms for disseminating research into the world and increase the discovery of science. This is the reason why we believe our natur ...[Read More]

GeoLog

Imaggeo on Mondays: Indonesian mangroves and tsunamis

Imaggeo on Mondays: Indonesian mangroves and tsunamis

Pictured here is a solitary mangrove tree, rooted off the northern coast of the Indonesian island Flores. While this tree has the shallow sandy reef to itself, mangroves are often found clumped together in large forests covering tropical and subtropical coastlines. The propped-up roots of mangrove trees often tangle together, creating a dense natural barrier that can weaken the coastal impact of o ...[Read More]

SSP
Stratigraphy, Sedimentology and Palaeontology

EGU goes greener, let’s go greener to EGU

For those in a rush, here is the conclusion already: EGU is doing great efforts to become more environmentally friendly, but the huge issue of any conference lies in one aspect: participants flying there… Could we, participants, rush into the train next year? I would not have realized all the evolutions of this year’s EGU2019 General Assembly if they had not been told to me. And that w ...[Read More]