Niels Bohr Medal of Honour, Jérôme Chappellaz – Niels Bohr Institute - University of Copenhagen

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Niels Bohr Medal of Honour, Jérôme Chappellaz

Jérôme Chappellaz is the receiver of this years Niels Bohr Medal of Honour.

Date: November 26.

14.00-15.00 Presentation of the Medal and talk by Jérôme Chappellaz 15.00-16.00 Reception outside Aud. 1 (in front of the mosaic, opposite the canteen)

Atmospheric composition and climate from polar ice cores
Ice cores and polar firn air provide a unique means to reconstruct polar temperature as well as atmospheric composition changes. They notably help to understand the feedbacks at work between natural climate variability and biogeochemical cycles controlling in particular the greenhouse gas concentrations. They also put in perspective the main anthropogenic perturbations started about two centuries ago. This lecture will address some of the main discoveries made in this field over the last 25 years, in a strongly collaborative and international spirit. It will also show how technological progresses in laser spectroscopy are currently revolutionizing ice core science.