STARTING SHORTLY: ICTP Colloquium by Dr. Valérie Masson-Delmotte: ""From water molecules to climate, making sense of Greenland and Antarctic ice core records"

[Infopoint]

Dear All,

ICTP is pleased to announce that the forthcoming ICTP Colloquium, "From 
water molecules to climate, making sense of Greenland and Antarctic ice 
core records", by Dr. Valérie Masson-Delmotte, will take place *TODAY at 
16:30 hrs*, in the Budinich Lecture Hall, Leonardo Building, ICTP.

BIOSKETCH: Dr. Valérie Masson-Delmotte is a senior scientist from 
Laboratoire des Sciences du Climat et de l'Environnement, Institut 
Pierre Simon Laplace, Université Paris Saclay / CEA / CNRS, France. She 
is the Co-chair of IPCC Working Group I for the AR6 cycle. Her research 
interests are focused on quantifying and understanding past changes in 
climate and atmospheric water cycle, using analyses from ice cores in 
Greenland, Antarctica and Tibet, analyses from tree-rings as well as 
present-day monitoring, and climate modelling for the past and the 
future. She has worked on issues such as the North Atlantic Oscillation, 
drought, climate response to volcanic eruptions, polar amplification, 
climate feedbacks, abrupt climate change and ice sheet vulnerability 
accross different timescales. She is active in outreach for children and 
for the general public and has contributed to several books on climate 
change issues (e.g. Greenland, climate, ecology and society, CNRS 
editions, 2016; in French). Her research was recognized by several 
prizes (European Union Descartes Prize for the EPICA project, 2008; 
Women scientist Irène Joliot Curie Prize, 2013; Tinker-Muse Prize for 
science and policy in Antarctica, 2015; Highly Cited Researcher since 
2014).

ABSTRACT: Ice cores provide a wealth of insights into past climatic and 
environmental changes. Obtaining information on past polar temperature 
changes is important to document climate variations beyond scarce 
instrumental records, and to test our quantitative understanding of past 
climate variations. Water stable isotope ratios in ice core records have 
commonly been used as qualitative proxies for past changes in polar 
temperature and moisture source characteristics, but extracting 
quantitative signals is a major challenge. Initially, spatial 
relationships between surface snow isotopic composition and surface 
temperature were used to establish a modern "isotopic thermometer". 
Simulations performed with climate models equipped with water stable 
isotopes were subsequently used to assess the validity of this "isotopic 
thermometer calibration" for different climate states (e.g. glacial, 
interglacial), assuming that the ice core signal is a precipitation 
weighted deposition record.

More information is available at http://indico.ictp.it/event/8477/

The Colloquium will be livestreamed at http://video.ictp.it/livestream

The poster is attached.

Light refreshments will be served after the lecture.

You are all very warmly invited to attend.

Office of the Director, ICTP.

*SAVE THE DATE: 24 May Colloquium at ICTP by Kip S. Thorne.*


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