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Ice Core Analysis and Techniques (ICAT) *POSTPONED until autumn 2021 /New info and dates pending
Provider: Faculty of Science

Activity no.: 5890-20-11-31There are no available seats 
Enrollment deadline: 01/04/2020
PlaceNiels Bohr Insitute
Tagensvej 16, 2200 København N
Date and timeNovember 2020
Regular seats
ECTS credits3.00
Contact personJulie Meier Hansen    E-mail address: juliemh@nbi.ku.dk
Enrolment Handling/Course OrganiserJulien Westhoff    E-mail address: julien.westhoff@nbi.ku.dk
Grading scalePassed / Not passed
Course workload
Course workload categoryHours
Preparation / Self-Study10.00
Evaluation / reporting5.00
Course hours40.00

Sum55.00


Aim and content
Ice cores are the only geophysical archive material, which preserves the atmosphere of the Earth – including its precipitation and impurities. Over 50 years, this field of research has seen remarkable achievements and breakthroughs in analytical complexity and precision, which are sure to continue.

The Earth’s climate over the last 800,000 years is understood through ice core analyses, particularly of the impurities, stable isotopes of water, and trace gases found in deep ice core samples. Understanding the past provides insight into how current or projected levels of greenhouse gases will affect Earth’s future climate. Efforts are underway to extend the ice core climate record back to 1 or 2 million years ago, demanding a new generation of ice core analytical techniques.

The results from ice cores cannot be fully appreciated without understanding the analytical techniques behind the measurements, as well as the implicit assumptions related to the emission, transport and deposition of the species analysed. These include a variety of approaches such as continuous flow analysis (CFA) for the analysis of impurities, but also ion chromatography, ICP-MS and a number of other methods used for high resolution measurements of the impurity content in ice cores. Laser spectroscopy has replaced older-generation technology such as mass spectrometry for the analysis of some gases preserved in polar ice.

Further the course will explore the effect of ice flow on the ice core records and post-depositional changes potentially occurring to components in situ over hundreds and thousands of years.

Ice core analysis techniques (ICAT) aims to educate a new generation of ice core researchers and foster a collaborative environment for future glaciological projects. The course is aimed at PhD students and junior postdocs who conduct ice core analysis or are users of ice core data (glaciological, oceanographic, climate modelers).

The course will further provide a forum for data producers and users to meet and establish collaborations intended to last beyond the duration of the course and into the research careers of the attendees. The course will enhance the knowledge transfer also between PhD’s within the ice core community and provide an overview of new methods developed for the analysis of ice core climate data.

Learning outcome
· Know about development in new experimental methods for analyzing gases and impurities in ice.
· To understand the part of the ice core signal not related to climate.
· To inform on new views of climate, gases, dust and aerosols using new analytical tools and new ice core samples.
· To strengthen international networks and provide early collaborative opportunities for students involved in earth sciences, particularly ice core research.

Target group
The course is aimed at PhD students and junior postdocs who conduct ice core analysis or are users of ice core data (glaciological, oceanographic, climate modelers).

Lecturers
Guest lecturers:
Postdoc Bradley Markle, California Institute of Technology, Division of Geologic and Planetary Science, USA
Professor Ilka Weikusat, Alfred Wegener Institute, Germany
Dr Anja Eichler, Paul Scherrer Institute, Switzerland

Local lecturers, Niels Bohr Institute, University of Copenhagen
Professor Thomas Blunier
Assistant Professor Helle Astrid Kjær
Associate Professor Anders Svensson

Remarks
* Due to the COVID-19 situation, this summer school will be postponed until autumn 2021. Dates and information re. course description/lecturers to be updated.

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