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SUMMARY:Inaugural Lecture - Prof. Jérôme Chappellaz
DTSTART:20230214T171500
DTEND:20230214T184500
DTSTAMP:20260408T052706Z
UID:ce02a3ab9acf00711e0bc839fc13408e87df0e54923f83bbc423b595
CATEGORIES:Inaugural lectures - Honorary Lecture
DESCRIPTION:Prof. Jérôme Chappellaz\nDate: 14 February 2023\nTime: 17:1
 5 - 18:45\nIntroductions by the Dean\, lectures by Prof. Jérôme Chappell
 az and Prof. Devis Tuia. Followed by an Apero.\nPlace: CO 1\nZoom link\n\n
 Title:\nFerring Pharmaceuticals Margaretha Kamprad Chair Lecture: \n"From
  ice to water: an experimental path in deciphering greenhouse gas dynamics
 "\n\nAbstract\nGreenhouse gases are of major concern since human beings in
 creased their atmospheric concentration since pre-industrial times. The fu
 ture climate will not only depend on possible trajectories of greenhouse g
 as emissions by human activities but also from natural feedbacks which cou
 ld well amplify the human-driven climatic trend.\nNatural feedbacks can be
  investigated by reconstructing the temporal evolution of greenhouse gases
  in relation with past natural climatic changes. For a significant part of
  the Quaternary era\, this research relies on analyzing ice samples from p
 olar glaciers. I will provide a glimpse of this endeavor which occupied te
 am members and myself over the last 30 years\, helping to understand why g
 reenhouse gases such as carbon dioxide\, methane or nitrous oxide evolved 
 through time\, as well as to identify which natural mechanisms may lead to
  amplifying effects in a future warmer world.\nThis research significantly
  relied on dedicated technological developments\, notably based on optical
  spectroscopy. Since a decade\, with my team we adapted them for applicati
 ons helping to better constrain the current processes at work regarding th
 e biogeochemistry of greenhouse gases in aquatic environments. I will shor
 tly present these applications as well.\n\nAbout the speaker\nJérôme Cha
 ppellaz is Full Professor at EPFL since November 2022\, heading the “Sma
 rt Environmental Sensing in Extreme Environments - SENSE” laboratory (in
  Sion). He obtained his PhD in environmental sciences in 1990 at the Unive
 rsity of Grenoble\, France. He then joined the Goddard Institute for Space
  Studies (NASA / GISS) in New York City as a postdoc\, to work on modellin
 g the global biogeochemical cycle of atmospheric methane. Recruited as jun
 ior researcher by the French National Center for Scientific Research – C
 NRS\, he became Director of Research at CNRS in 2002. He led or co-led sev
 eral research teams as well a French research unit (the Laboratory of Glac
 iology and Geophysics of the Environment – LGGE).\nJérôme Chappellaz w
 orked for nearly three decades on ice cores drilled in Antarctica\, Greenl
 and as well as alpine glaciers\, helping to decipher natural greenhouse ga
 s dynamics\, but also to constrain the temporal evolution of polar climate
 . Awarded with a European Research Council (ERC) Advanced grant as well as
  a ERC Proof of Concept grant\, he notably developed methodologies to adap
 t optical methods for the analysis of trace gases and their stable isotope
 s in natural ice but also in aquatic environments. \nBetween 2018 and 202
 2\, Jérôme Chappellaz was the Executive Director of the French polar ins
 titute IPEV\, the national public agency in charge of selecting and implem
 enting research projects in polar and sub-polar regions. With this positio
 n\, he represented France in several international institutions related wi
 th polar science. Being a Highly Cited researcher and a Knight of the Legi
 on of Honour\, his work has been recognized throughout the years with seve
 ral national and international prizes and awards.\n\n 
LOCATION:CO1 https://plan.epfl.ch//?room==CO%201 https://epfl.zoom.us/j/68
 600416471
STATUS:CONFIRMED
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