Faculty of Science

ICAT-Ice Core Analysis and Techniques
Provider: Faculty of Science

Activity no.: 5890-18-11-31
	Enrollment deadline: 01/09/2018

Place	Niels Bohr Institute
Date and time	September 2018
Regular seats	30
ECTS credits	2.00

Contact person	Julie Meier E-mail address: juliemh@nbi.ku.dk

Enrolment Handling/Course Organiser	Helle Astrid Kjær E-mail address: hellek@nbi.ku.dk
Written language	English
Teaching language	English
Study board	Study Board of Physics, Chemistry and Nanoscience
Grading scale	Passed / Not passed

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 post-depositional changes potentially occurring to components in situ over hundreds and thousands of years. Ice core analysis techniques 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 between PhD’s within the ice core community on 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. Teaching and learning methods Course workload category Preparation / Self-Study 10.00 Course hours 40.00 Evaluation / reporting 5.00 Exam form Active participation during the campus course Exam form Andet/Other Grading scale Passed / Not passed Lecturers External Teachers: Carlo Barbante, Johannes Freitag, Margit Schwikowski, Mai Winstrup Local teachers: Thomas Blunier, Paul Vallelonga, Helle Astrid Kjær, and more…

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