EGU Blogs

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GeoLog

Imaggeo on Mondays: The shrinking of Earth’s saltiest lake

One of the consequences of the rapid fall of the water level (>1 m per year), is that vast areas of salt-rich ground of the shrunken Dead Sea are prone to strong dissolution and mechanical erosion of the subsurface processes.

The Dead Sea is one of the saltiest lakes on Earth, located at the lowest point of the globe.  For centuries it has been known for the restorative powers of its muds and waters. Their hypersalinity means it is possible to easily float on the lake’s surface. Bordering Israel, the West Bank and Jordan, it is a unique environment in an otherwise arid region.  Changing climate, which is seeing tempera ...[Read More]

CR
Cryospheric Sciences

Image of the Week – Sea Ice Floes!

Image of the Week – Sea Ice Floes!

The polar regions are covered by a thin sheet of sea ice – frozen water that forms out of the same ocean water it floats on. Often, portrayals of Earth’s sea ice cover show it as a great, white, sheet. Looking more closely, however reveals the sea ice cover to be a varied and jumbled collection of floating pieces of ice, known as floes. The distribution and size of these floes is vitally imp ...[Read More]

GeoLog

Geosciences Column: The complex links between shrinking sea ice and cloud cover

Sea ice breaking on the Chukchi Sea, Barrow, July 2014

The global climate system is complex. It is composed of, and governed by, a plethora of interconnect factors. Solar radiation, land surface, ice cover, the atmosphere and living things, as well as wind and ocean currents, play a crucial role in the climate system. These factors are intricately connected; changes to some can have significant effects on others, leading to overall consequences for th ...[Read More]

TS
Tectonics and Structural Geology

Introducing the people behind the TS division

This week we present the many volunteers behind the activities of the Tectonics and Structural Geology (TS) division. We can also be found on http://www.egu.eu/ts, Facebook and twitter. We are always happy to hear new ideas and feedback! Just drop a message on ts@egu.eu and don’t forget to stop by the division meeting during the General Assembly in April next year. Susanne Buiter – President ...[Read More]

Geology for Global Development

Mapping the Kaikoura earthquake, New Zealand

Jack Williams is a PhD Student at the University of Otago, New Zealand, where he is studying the Alpine Fault. Jack was part of a team of experts that went into the field immediately following the Kaikoura earthquake to map the surface ruptures. Here he explains what they were up to and shares some photos of the damage. The Mw 7.8 Kaikoura Earthquake was an incredibly complex event involving sever ...[Read More]

CR
Cryospheric Sciences

Image of the Week – What an ice hole!

Image of the Week – What an ice hole!

Over the summer, I got excited… the Weddell Polynya was seemingly re-opening! ”The what?” asked my new colleagues. So today, after brief mentions in past posts, it is time to explain what a polynya is. Put it simply, a polynya, from the Russian word for “ice hole”, is a hole in the sea-ice cover. That means that in the middle of winter, the sea ice locally and naturally opens and reveals the ocean ...[Read More]

GeoLog

Try something different – choose a PICO session at EGU 2017!

Try something different – choose a PICO session at EGU 2017!

Some of the sessions scheduled for the upcoming EGU General Assembly are PICO only sessions. This means that, rather than being oral or poster format, they involve Presenting Interactive COntent (PICO). The aim of these presentations is to highlight the essence of a particular research area – just enough to get the audience excited about a topic without overloading them with information. What’s gr ...[Read More]