EGU Blogs

Climate: Past, Present & Future

Defrosting the freezer. Climate change and glacial meltwater

Kathryn Adamson May 15, 2017

Why are glaciers important? Glaciers cover around 10% of the global land surface. This includes the large ice sheets (e.g. in Greenland and Antarctica) as well as smaller ice caps and valley glaciers (e.g. in Iceland, Norway and New Zealand). Figure 1 shows the current distribution of glaciers around the world. Figure 1 – The global distribution of glaciers around the world from the GLIMS glacier ...[Read More]

GfGD

Geology for Global Development

GfGD Annual Conference 2017

Dr Joel C. Gill May 15, 2017

Since 2013, Geology for Global Development (GfGD) has organised an annual conference exploring the role of geologists in fighting poverty and sustainable development. Each event has gathered 100-150 participants (with >80% being students and early-career geoscientists) to engage with experts from academia, the private sector, the public sector and civil society. Our annual conference is a highl ...[Read More]

WaterUnderground

Groundwater Speed Dating! Can you find a match?

Matt Herod 11th May 2017

Post by Matt Herod Welcome to the first edition of groundwater speed dating. In today’s post I introduce you to a motley crew of isotopes and chemicals that hydrogeologists and geochemists use to date the age of groundwater. After meeting all of the contestants it will be up to you to pick your favourite and perhaps propose a second date. On your groundwater samples that is. Before I introdu ...[Read More]

GeoLog

Heat waves in cities getting worse under climate change

Keri McNamara May 10, 2017

The effects of climate change are being felt all over the world but towns and cities are feeling most hot-under-the collar, a new study finds. Cities are usually warmer than their surroundings due to the urban heat island effect where artificial surfaces absorb more heat than their natural counterparts. Coupled with the loss of the shady effects of trees, urban areas regularly record the hottest t ...[Read More]

TS

Tectonics and Structural Geology

Folding and Fracturing of Rocks – 50 years of research since the seminal textbook of JG. Ramsay

Clare Bond May 9, 2017

John G. Ramsay1 wrote his seminal textbook on the folding and fracturing of rocks in 1957, almost 20 years before I was born (and I don’t count myself as young!). So why did I co-convene a session at EGU in 2017 to celebrate the book? Because the book, in many ways, expresses the legacy that John has given to structural geology. He followed it with a series of books of the same ilk – Ramsay ...[Read More]

GeoLog

Imaggeo on Mondays: Sneaking up from above

Jan Blöthe May 8, 2017

Take some ice, mix in some rock, snow and maybe a little mud and the result is a rock glacier. Unlike ice glaciers (the ones we are most familiar with), rock glaciers have very little ice at the surface. Looking at today’s featured image, you’d be forgiven for thinking the Morenas Coloradas rock glacier wasn’t a glacier at all. But appearances can be misleading; as Jan Blöthe (a researcher at the ...[Read More]

GeoLog

The publication issue: the opinions of EGU early career scientists!

Mathew Stiller-Reeve May 5, 2017

The EGU’s General Assemblies have a long tradition of Great Debates – sessions of Union-wide interest which aim to discuss some of the greatest challenges faced by our discipline. Past topics have included exploitation of mineral resources at the sea bed, water security given an ever growing population and climate geoengineering, to name but a few. This year’s meeting saw the first Great Debate a ...[Read More]

GeoLog

April GeoRoundUp: the best of the Earth sciences from the 2017 General Assembly

Laura Roberts-Artal May 4, 2017

This month’s GeoRoundUp is a slight deviation from the norm. Instead of drawing inspiration from popular stories on our social media channels and unique or quirky research featured in the news, we’ve rounded up some of the stories which came out of researcher presented at our General Assembly (which took place last week in Vienna). The traditional format for the column will return in May! Major st ...[Read More]

WaterUnderground

Monitoring groundwater drought without measuring it

Anne van Loon 4th May 2017

Post by Anne van Loon, University of Birmingham You might remember that the summer of 2015 was extremely dry in large parts of Europe (Figure 1), leading to crop losses, wildfires, drinking water supply deficiencies, and reductions in energy production and navigation (Van Lanen et al., 2016), whether you experienced it yourself or read about it in the newspapers. Based on incomplete information th ...[Read More]

GeoLog

Imaggeo on Mondays: An epic ‘house’ move across the ice

Helle Astrid Kjær May 1, 2017

In 2008 the NEEM Deep Ice Core Project was initiated by 14 partner countries in Northwestern Greenland (camp position 77.45°N 51.06°W) with the aim to drill from the very top of the Greenland ice cap to its base; obtaining ice from as far back as the last interglacial period- the Eemian – some 130,000 years old. At the start of the 2008 field season, the NEEM camp consisted of a single hea ...[Read More]