Dear colleagues,
We would like to bring your attention to the following EGU session (hybrid) and encourage you to submit abstracts:
CR2.7 From climate to ice core proxy signal and reverse – primary and secondary signal formation processes; https://meetingorganizer.copernicus.org/EGU22/session/42475
The abstract submission deadline is 12th of January, 13:00 CET
Ice cores are a crucial archive to study past climates, containing various proxies which provide insights into the variability of atmospheric circulation and composition, past temperatures, volcanic activity, biological production and sea ice extent on different timescales. The accuracy and reliability of reconstructed climate parameters, however, depends on a detailed understanding of the processes forming the proxy signal. Relevant processes might not be the same throughout time, and could be variable on a spatial scale, i.e. different for ice core sites in Antarctica, Greenland, Svalbard or high alpine areas. In light of new projects that will analyse very old ice (e.g. Beyond EPICA Oldest Ice), it is even more important to understand the archival of climatic signals in proxies, such as stable water isotopes, impurities, dust, tephra, gases and trace elements in order to develop suitable methods for the recovery of the original climate signal.
This session intends to foster cross-disciplinary exchanges of paleoclimatologists working on established and novel climate proxies in ice cores and their interpretation. We welcome contributions that investigate the transfer function between climate and ice core proxies describing both the primary climatic imprint at the surface and potential secondary, post-depositional modifications of proxy records. We invite submissions from, but not limited to, field studies and lab experiments on the primary signal formation, theoretical simulations and proxy system modeling, as well as studies investigating the role of secondary processes modifying the original climate signal, and methodologies to optimally retrieve information from disrupted or altered proxy records (e.g. through melt events, transport and diffusion). We further encourage submissions presenting novel statistical methods, model-based studies and potential geochemical proxies.
Hope to see many of you (in person or online) in Vienna next year!
On behalf of the convenors,
Alexandra Zuhr, Sonja Wahl, Eric Wolff, Federico Scoto and Fabrice Lambert
Alexandra Zuhr
Doctoral Researcher
Earth System Diagnostics
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research
Telegrafenberg | A6 - Room 0.6 | 14473 Potsdam
Tel.: +49(0)331-288-20163
Web: https://www.awi.de/nc/en/about-us/organisation/staff/alexandra-zuhr.html
