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DML precipitation regime and EPICA ice core interpretation – Universität Innsbruck

DML precipitation regime and EPICA ice core interpretation

 

DML precipitation regime and EPICA ice core interpretation

 

Valuable information about the climate of the past is stored in the large ice sheets of Greenland and Antarctica. In particular, two cores drilled in the frame of EPICA (European Project for Ice Coring in Antarctica) at Dome C and Kohnen Station, Dronning Maud Land, yielded new insights. Paleotemperature is usually derived from stable isotope ratios of ice. However, these parameters depend on the meteorological conditions during precipitation since the precipitation forms the ice we investigate. Thus it is important to know the complex atmospheric processes during precipitation formation as exactly as possible. The project investigates these processes using a mesoscale atmospheric model (AMPS/Polar WRF) as well as a comprehensive data set of stable isotope ratios and accumulation rates derived from 76 shallow firn cores in Dronning Maud Land.

The project is/was carried out in close cooperation with the Norwegian Polar Research Institute, Tromsø, Norway, the National Center for Atmospheric Research (NCAR), Boulder, CO, USA, and the Alfred-Wegener-Institute for Polar and Marine Research (AWI).

Project

Project Leader:
Elisabeth SCHLOSSER

External Members:
Altnau Sebastian, B.Sc.

Funding Agencies:
Austrian Science Fund (FWF) V31-N10

Project Duration:
01/03/2007 to 29/02/2012

Publications

2016

Dittmann, A., E. Schlosser, V. Masson-Delmotte, J. G. Powers, K. W. Manning, M. Werner, and K. FujitaPrecipitation regime and stable isotopes at Dome Fuji, East AntarcticaAtmospheric Chemistry and Physics16http://www.atmos-chem-phys.net/16/6883/2016/
Schlosser, E., B. Stenni, M. Valt, A. Cagnati, J. G. Powers, K. W. Manning, M. Raphael, and M. G. DudaPrecipitation and synoptic regime in two extreme years 2009 and 2010 at Dome C, Antarctica – implications for ice core interpretationAtmospheric Chemistry and Physics16http://www.atmos-chem-phys.net/16/4757/2016/http://www.atmos-chem-phys.net/16/4757/2016/acp-16-4757-2016.pdf
Stenni, B. and CoauthorsThree-year monitoring of stable isotopes of precipitation at ConcordiaStation, East AntarcticaThe Cryosphere10http://www.the-cryosphere.net/10/2415/2016/http://www.the-cryosphere.net/10/2415/2016/tc-10-2415-2016.pdfhttp://www.the-cryosphere.net/10/2415/2016/tc-10-2415-2016-supplement.ziphttp://www.the-cryosphere.net/10/2415/2016/tc-10-2415-2016-corrigendum.pdf
Vega, C. P., E. Schlosser, D. V. Divine, J. Kohler, T. Martma, A. Eichler, M. Schwikowski, and E. IsakssonSurface mass balance and water stable isotopes derived from firn cores on three ice rises, Fimbul Ice Shelf, AntarcticaThe Cryosphere10http://www.the-cryosphere.net/10/2763/2016/http://www.the-cryosphere.net/10/2763/2016/tc-10-2763-2016.pdfhttp://www.the-cryosphere.net/10/2763/2016/tc-10-2763-2016-supplement.pdf
Wang, Y. and CoauthorsA comparison of Antarctic Ice Sheet surface mass balance from atmospheric climate models and in situ observationsJournal of Climatehttp://journals.ametsoc.org/doi/10.1175/JCLI-D-15-0642.1

2015

Altnau, S., E. Schlosser, E. Isaksson, and D. DivineClimatic signals from 76 shallow firn cores in Dronning Maud Land, East AntarcticaThe Cryosphere9http://www.the-cryosphere.net/9/925/2015/http://www.the-cryosphere.net/9/925/2015/tc-9-925-2015.pdf
Schlosser, E., B. Stenni, M. Valt, A. Cagnati, J. G. Powers, K. W. Manning, M. Raphael, and M. G. DudaPrecipitation regime and stable oxygen isotopes at Dome C, East Antarctica – a comparison of two extreme years 2009 and 2010Atmospheric Chemistry and Physics Discussions15http://www.atmos-chem-phys-discuss.net/15/30473/2015/http://www.atmos-chem-phys-discuss.net/15/30473/2015/acpd-15-30473-2015.pdf

2014

Schlosser, E., H. Anschütz, D. Divine, T. Martma, A. Sinisalo, S. Altnau, and E. IsakssonRecent climate tendencies on an East Antarctic ice shelf inferred from a shallow firn core networkJournal of Geophysical Research: Atmospheres119 (11)http://doi.wiley.com/10.1002/2013JD020818

2013

Sinisalo, A. and CoauthorsSurface mass balance on Fimbul ice shelf, East Antarctica: Comparison of field measurements and large-scale studiesJournal of Geophysical Research: Atmospheres118http://onlinelibrary.wiley.com/doi/10.1002/jgrd.50875/abstract

2012

Schlosser, E., H. Anschuetz, E. Isaksson, T. Martma, D. Divine, and O. - A. NøstSurface mass balance and stable oxygen isotope ratios from shallow firn cores on Fimbulisen, East AntarcticaAnnals of Glaciology53



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