GeoLog

Imaggeo On Monday: A marvellous sequoia in spring time

Hazel Gibson August 10, 2020

A marvellous sequoia in spring time and green leaves. Credit: Laura Sanchez (distributed via imaggeo.egu.eu)

Although more commonly associated with the west coast of the United States, if you visit Cabezón de la Sal in Spain you may come across a stand of giant redwood trees or Sequoia. Around 800 trees were brought to Spain in the 1940s, so are still very young, but even at their young age they are still around 40 meters high! Sequoia groves, as well as being awe-inspiring to look at, provide a uniquely ...[Read More]

GeoPolicy: Communicating A Global Climate Crisis – your questions answered!

Chloe Hill August 7, 2020

EGU Union Session (Credit: Kai Boggild, EGU 2017).

A wide variety of webinar sessions were streamed during EGU 2020’s Sharing Geoscience Online, including all of the Great Debates and Union Symposia. The sessions were very well attended, with some sessions having over 700 participants. An extremely high level of engagement meant that in many cases not all of the participants’ questions could be answered in the available time. Union Symposium ...[Read More]

Imaggeo On Monday: Carbon-sink

Gabriel Sigmund August 3, 2020

Carbon sink. Credit: Gabriel Sigmund (distributed via imaggeo.egu.eu)

Biochar is a carbon rich product of biomass pyrolysis, a process where biological material is exposed to high temperatures, in the absence of oxygen, to cause the decomposition of that material into various chemical and physical components. By going through this process, biochar can be a valuable soil additive and a carbon sink with a high potential to take up a wide variety of contaminants (throu ...[Read More]

Marie Tharp: an inspiration for the past, present and future!

Hazel Gibson July 30, 2020

Image created from a photograph provided by Lamont-Doherty Earth Observatory and the estate of Marie Tharp and using the World Ocean Floor Panorama, Bruce C. Heezen and Marie Tharp, 1977. Copyright by Marie Tharp 1977/2003. Reproduced by permission of Marie Tharp Maps LLC and Lamont-Doherty Earth Observatory.

Today marks the centennial of the birth of Marie Tharp, the person responsible for creating the first map of our planet’s ocean floors. Though her work was underappreciated at the time of its publication – mainly because she faced many significant barriers due to her gender – her maps ended up being instrumental evidence in support of the theory of plate tectonics. Marie herself ...[Read More]