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Climate of the Past An interactive open-access journal of the European Geosciences Union
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CP | Articles | Volume 14, issue 2
Clim. Past, 14, 193–214, 2018
https://doi.org/10.5194/cp-14-193-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Clim. Past, 14, 193–214, 2018
https://doi.org/10.5194/cp-14-193-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 21 Feb 2018

Research article | 21 Feb 2018

The Ross Sea Dipole – temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years

Nancy A. N. Bertler et al.

Data sets

Roosevelt Island Climate Evolution (RICE) ice core isotope record Bertler, N. A., Conway, H., Dahl-Jensen, D., Emanuelsson, U., Winstrup, M., Vallelonga, P. T., Lee, J. E., Brook, E. J., Severinghaus, J. P., Fudge, T. J., Keller, E. D., Baisden, W. T., Hindmarsh, R. C. A., Neff, P. D., Blunier, T., Edwards, R. L., Mayewski, P. A., Kipfstuhl, S., Buizert, C., Canessa, S., Dadic, R., Kj{\ae}r, H. A., Kurbatov, A., Zhang, D., Waddington, E. D., Baccolo, G., Beers, T., Brightley, H. J., Carter, L., Clemens-Sewall, D., Ciobanu, V. G., Delmonte, B., Eling, L., Ellis, A. A., Ganesh, S., Golledge, N. R., Haines, S. A., Handley, M., Hawley, R. L., Hogan, C. M., Johnson, K. M., Korotkikh, E., Lowry, D. P., Mandeno, D., McKay, R. M., Menking, J. A., Naish, T. R., Noerling, C., Ollive, A., Orsi, A. J., Proemse, B. C., Pyne, A. R., Pyne, R. L., Renwick, J., Scherer, R. P., Semper, S., Simonsen, M., Sneed, S. B., Steig, E. J., Tuohy, A., Ulayottil Venugopal, A., Valero-Delgado, F., Venkatesh, J., Wang, Feitang, W., Shimeng, W., Dominic, A., Winton, V. H. L., Whiteford, A., Xiao, C., Yang, J., and Zhang, X. https://doi.org/10.1594/PANGAEA.880396

Roosevelt Island Climate Evolution (RICE) ice core: The RICE17 chronology and accumulation record for the past 2700 years Winstrup, M. and Vallelonga, P. T. https://doi.org/10.1594/PANGAEA.882202

Variable relationship between accumulation and temperature in25 West Antarctica for the past 31,000 years (http://www.usap-dc.org/view/dataset/601004) T. Fudge, B. R. Markle, K. M. Cuffey, C. Buizert, K. C. Taylor, E. J. Steig, E. D. Waddington, H. Conway, and M. Koutnik http://www.usap-dc.org/view/dataset/601004

Full-depth englacial vertical ice sheet velocities measured using phase-sensitive radar (https://gcmd.gsfc.nasa.gov/search/Metadata.do?entry=USAP-0944307&subset=GCMD) J. Kingslake, R. C. A. Hindmarsh, G. Aðalgeirsdóttir, H. Conway, H. F. J. Corr, F. Gillet-Chaulet, C. Martín, E. C. King, R. Mulvaney, and H. D. Pritchard https://gcmd.gsfc.nasa.gov/search/Metadata.do?entry=USAP-0944307&subset=GCMD

New Reconstruction of Antarctic Near-Surface Temperatures: Multidecadal Trends and Reliability of Global Reanalyses (http://polarmet.osu.edu/datasets/Antarctic_recon/) J. P. Nicolas and D. H. Bromwich http://polarmet.osu.edu/datasets/Antarctic_recon/

Little Ice Age cold interval in West Antarctica: evidence from borehole temperature at the West Antarctic Ice Sheet (WAIS) divide (https://nsidc.org/data/NSIDC-0638/versions/1) A. J. Orsi, B. D. Cornuelle, and J. P. Severinghaus https://nsidc.org/data/NSIDC-0638/versions/1

Wisconsinian and Holocene climate history from an ice core at Taylor Dome (https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-current-version/Ant-TaylorDome.Steig.2000.txt) E. J. Steig, D. L. Morse, E. Waddington, M. Stuiver, and P. M. Grootes https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-current-version/Ant-TaylorDome.Steig.2000.txt

Eight centuries of volcanic signal and climate change at Talos Dome (East Antarctica) (https://www.ncdc.noaa.gov/paleo/study/22712) B. Stenni, M. Proposito, R. Gragnani, O. Flora, J. Jouzel, S. Falourd, and M. Frezzotti https://www.ncdc.noaa.gov/paleo/study/22712

Antarctic climate variability on regional and continental scales over the last 2000 years (https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/stenni2017antarctica/) B. Stenni, M. A. J. Curran, N. J. Abram, A. Orsi, S. Goursaud, V. Masson-Delmotte, R. Neukom, H. Goosse, D. Divine, T. van Ommen, E. J. Steig, D. A. Dixon, E. R. Thomas, N. A. N. Bertler, E. Isaksson, A. Ekaykin, M. Werner, and M. Frezzotti https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/stenni2017antarctica/

Onset of deglacial warming in West Antarctica driven by local orbital forcing (https://www.nature.com/articles/nature12376#supplementary-information) WAIS Divide Project Members https://www.nature.com/articles/nature12376#supplementary-information

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Short summary
Temperature and snow accumulation records from the annually dated Roosevelt Island Climate Evolution (RICE) ice core show that for the past 2 700 years, the eastern Ross Sea warmed, while the western Ross Sea showed no trend and West Antarctica cooled. From the 17th century onwards, this dipole relationship changed. Now all three regions show concurrent warming, with snow accumulation declining in West Antarctica and the eastern Ross Sea.
Temperature and snow accumulation records from the annually dated Roosevelt Island Climate...
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