ICE3 news

Publié le 19 avril 2021

Ice cores drilled at the poles provide information about the climates and environments of the past. Samples taken in Greenland have identified 25 abrupt climate changes that took place during the last ice age. Studying these samples allows us to better anticipate the impact that such changes would have on our environment if they were to occur in the future.

Publié le 19 avril 2021

Bromine is a minor compound in our atmosphere, but it is an effective agent in partially destroying ozone in the lower layers of the atmosphere. In this way, along with iodine and chlorine, it partially compensates for the ozone pollution caused by the increasing emissions of nitrogen oxides and hydrocarbons from engines. Simulations of tropospheric ozone and its evolution since the pre-industrial period therefore require knowledge of past bromine emissions. Measurements of bromine compounds in the atmosphere, when they exist, document at best the last decades.

Publié le 26 mars 2021

After presenting the work of Sophie and Sarah in the iCe3 news, our web portrait writer now has his portrait on the Echosciences Grenoble site ! (in French).

Publié le 1er mars 2021

Moving a laboratory for a fortnight is certainly not the easiest exercise you can do. This is what Sarah Albertin, a second year PhD thesis student, has done by installing an atmospheric measurement laboratory in the Arve valley, in Chamonix.

Publié le 26 février 2021
The art of making a laboratory live

December 2020, the analytical platform AirOSol discovered its new coordinator, say responsible : a research engineer (Ingénieur de Recherche in French aka IR). Sophie has passed the IRD selection and therefore leaves our team. This is an opportunity for us to thank her and to underline her work since January 8, 2018 but also the immense work of the non-research staff in our team, actively participating in research.

Publié le 1er février 2021

Professor Paul J. Crutzen passed away on January 28, 2021 at the age of 87. He played a very important role, alongside Claude Boutron, in the start of the European Research Course on Atmospheres winter school (http://erca-school.eu/), created in 1993 in Grenoble, and still coordinated at the IGE. He taught there with great fidelity between 1993 and 2012 and promoted it in Germany.

Publié le 28 janvier 2021

Deep ice cores in Antarctica and Greenland make it possible to reconstruct key climatic parameters of the last hundreds of thousands of years. In order to accurately determine causal relationships in the functioning of the climate system, a precise chronology of events recorded in the ice cores must be constructed.

Publié le 28 janvier 2021

Understanding how ice flows in East Antarctica is of uppermost importance to determine the distribution of age with depth for deep ice cores. First, the candidate will develop a 3D numerical model to simulate the age in an ice sheet on a regional scale, using a novel numerical approach. Then, the candidate will use existing isochronal horizons traced and dated by linking them to the EPICA DC ice core to constrain the numerical model, involving innovative inverse approaches.

Publié le 18 janvier 2021

Opening an Encyclopaedia, whether digital or paper, means venturing into knowledge, discovering a new universe, walking in the footsteps of the greatest. Dominique Raynaud is one of these greats. By studying for years the climate through the ice and by sharing it in the Encyclopedia of the Environment, he transmits his knowledge to us on this domain on which we can read everything and its opposite.

Publié le 14 janvier 2021

Between late November 2019 and early February 2020, an international team coordinated by Joël Savarino traveled thousands of kilometers to explore desert regions of the Antarctic continent. An article published in The Conversation (in French) traces this expedition, from the years of preparation to the scientific perspectives, without forgetting the Antarctic adventure.