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GD

On the influence of grain size in numerical modelling

On the influence of grain size in numerical modelling

The Geodynamics 101 series serves to showcase the diversity of research topics and methods in the geodynamics community in an understandable manner. We welcome all researchers – PhD students to Professors – to introduce their area of expertise in a lighthearted, entertaining manner and touch upon some of the outstanding questions and problems related to their fields. …[Read More]

Hydraulic fracturing close to groundwater wells

Hydraulic fracturing close to groundwater wells

Post by Scott Jasechko, Assistant Professor of Water Resources with the Bren School of Environmental Science & Management, at the University of California, Santa Barbara, and by Debra Perrone, non-resident Fellow at Water in the West and an Assistant Professor, also at the University of California, Santa Barbara, in the United States. _______________________________________________ In December, 2016, the Environmental …[Read More]

Guest Blog: Anthropogenic climate change – what does this mean for groundwater resources in Africa?

Guest Blog: Anthropogenic climate change – what does this mean for groundwater resources in Africa?

On the 25th October, Laura Hunt (Cardiff University) attended the joint meeting of the International Association of Hydrogeologists (IAH) and the Hydrogeological Group of the Geological Society, which included the Ineson Lecture at the Geological Society of London.  It is a common misconception that Africa is an entirely dry, arid continent, parched for water. A resource that we …[Read More]

Imaggeo on Mondays: Angular unconformity

Imaggeo on Mondays: Angular unconformity

It is not unusual to observe abrupt contacts between two, seemingly, contiguous rock layers, such as the one featured in today’s featured image. This type of contact is called an unconformity and marks two very distinct times periods, where the rocks formed under very different conditions. Telheiro Beach is located at the western tip of …[Read More]

CL

Forams, the sea thermometers of the past!

Forams, the sea thermometers of the past!

Name of proxy Mg/Ca-SST on planktonic foraminifera shell Type of record Sea Surface Temperature (SST) Paleoenvironment Marine environments Period of time investigated 55 Million years ago to recent times How does it work ? Foraminifera (or Forams) are single-celled organisms varying from less than 1 mm to several cm in size. They are very abundant …[Read More]

CR

Image of the Week – Does size really matter? A story of ice floes and power laws

Image of the Week – Does size really matter? A story of ice floes and power laws

The retreating Arctic sea ice is one of the most well-known facets of Climate Change. Images of polar bears desperately swimming through polar seas searching for somewhere to rest and feed resonate strongly with the public. Beyond these headlines however, the Arctic Ocean is displaying a rapid transition from having mostly permanent ice cover to …[Read More]

Mentoring programme at EGU 2018

Mentoring programme at EGU 2018

With over 14,000 participants, 4,849 oral presentations and over 11,000 posters, all under one roof, the General Assembly can be an overwhelming experience.  There is a warren of corridors to navigate, as well as a wide range of workshops, splinter and townhall meetings to choose from. With that in mind, we’ve put in place some …[Read More]