noaa-icecore-13175 Mt. Erebus Saddle, Antarctica 500 Year Ice Core Glaciochemical Data Rhodes, R.H.; Bertler, N.A.N.; Baker, J.A.; Steen-Larsen, H.C.; Sneed, S.; Morgenstern, U.; Johnsen, S.J. Mt. Erebus Saddle, Antarctica 500 Year Ice Core Glaciochemical Data 2012-07-30 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/13175 Investigator R.H. Rhodes Investigator N.A.N. Bertler Investigator J.A. Baker Investigator H.C. Steen-Larsen Investigator S. Sneed Investigator U. Morgenstern Investigator S.J. Johnsen earth science paleoclimate ice cores ice age,null,null,year Common Era,null,ice cores,null,null,N,null earth science paleoclimate ice cores aluminum,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores cerium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores methanesulfonate,bulk ice,null,parts per billion,null,ice cores,null,ion chromatography,N,null earth science paleoclimate ice cores vanadium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores chloride,bulk ice,null,parts per billion,null,ice cores,null,ion chromatography,N,null earth science paleoclimate ice cores yttrium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores manganese,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores lead,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores sample identification,null,null,null,null,ice cores,null,null,N,null earth science paleoclimate ice cores sodium,bulk ice,null,parts per billion,null,ice cores,null,ion chromatography,N,null earth science paleoclimate ice cores sample identification,null,null,null,null,ice cores,null,null,C,null earth science paleoclimate ice cores strontium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores magnesium,bulk ice,null,parts per billion,null,ice cores,null,ion chromatography,N,null earth science paleoclimate ice cores delta 18O,bulk ice,null,per mil VSMOW,null,ice cores,null,isotope ratio mass spectrometry|optical feedback cavity enhanced absorption spectroscopy,N,null earth science paleoclimate ice cores depth,null,null,meter,null,ice cores,null,null,N,null earth science paleoclimate ice cores magnesium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores lanthanum,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores sulfate,bulk ice,null,parts per billion,null,ice cores,null,ion chromatography,N,null earth science paleoclimate ice cores nitrate,bulk ice,null,parts per billion,null,ice cores,null,ion chromatography,N,null earth science paleoclimate ice cores titanium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores barium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores delta 2H,bulk ice,null,per mil VSMOW,null,ice cores,null,isotope ratio mass spectrometry|optical feedback cavity enhanced absorption spectroscopy,N,null earth science paleoclimate ice cores sodium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores rubidium,bulk ice,null,parts per trillion,null,ice cores,null,inductively-coupled plasma mass spectrometry,N,null earth science paleoclimate ice cores deuterium excess,bulk ice,null,per mil VSMOW,null,ice cores,null,isotope ratio mass spectrometry|optical feedback cavity enhanced absorption spectroscopy,N,null earth science paleoclimate ice core oxygen isotopes earth science paleoclimate ice core hydrogen isotopes earth science paleoclimate ice core chemistry geoscientificInformation Little Ice Age (LIA) 1472 AD 2006 AD 478 cal yr BP -56 cal yr BP Complete -77.515 -77.515 167.6765 167.6765 1600 1600 Continent Antarctica Mt. Erebus Saddle>LATITUDE -77.515>LONGITUDE 167.6765 None Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site. English DOC/NOAA/NESDIS/NCEI National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce https://www.ncdc.noaa.gov/data-access/paleoclimatology-data DATA Center Contact Bruce Bauer bruce.a.bauer@noaa.gov paleo@noaa.gov 303-497-6280 303-497-6513

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Boulder CO 80305-3328 USA online ASCII Rhodes, R.H., N.A.N. Bertler, J.A. Baker, H.C. Steen-Larsen, S.B. Sneed, U. Morgenstern, and S.J. Johnsen. 2012. Little Ice Age climate and oceanic conditions of the Ross Sea, Antarctica, from a coastal ice core record. Climate of the Past, Vol. 8, pp. 1223-1238 doi:10.5194/cp-8-1223-2012 www.clim-past.net/8/1223/2012/

Increasing paleoclimatic evidence suggests that the Little Ice Age (LIA) was a global climate change event. Understanding the forcings and associated climate system feedbacks of the LIA is made difficult by the scarcity of Southern Hemisphere paleoclimate records. We use a new glaciochemical record of a coastal ice core from Mt. Erebus Saddle, Antarctica, to reconstruct atmospheric and oceanic conditions in the Ross Sea sector of Antarctica over the past five centuries. The LIA is identified in stable isotope (dD) and lithophile element records, which respectively demonstrate that the region experienced 1.6 ± 1.4°C cooler average temperatures prior to 1850 AD than during the last 150 yr and strong (>57 m s-1) prevailing katabatic winds between 1500 and 1800 AD. Al and Ti concentration increases of an order of magnitude (>120 ppb Al) are linked to enhanced aeolian transport of complex silicate minerals and represent the strongest katabatic wind events of the LIA. These events are associated with three 12-30 yr intervals of cooler temperatures at ca. 1690 AD, 1770 AD and 1840 AD. Furthermore, ice core concentrations of the biogenic sulphur species MS- suggest that biological productivity in the Ross Sea polynya was ~80% higher prior to 1875 AD than at any subsequent time. We propose that cooler Antarctic temperatures promoted stronger katabatic winds across the Ross Ice Shelf, resulting in an enlarged Ross Sea polynya during the LIA. STUDY NOTES: Glaciochemical records (elements, ions, and stable water isotopes) from the Mt. Erebus Saddle, Antarctica, ice core for the past 500 years, used to reconstruct Little Ice Age conditions in coastal Antarctica. Mt. Erebus Saddle Ice Core, Antarctica: 77°30.90'S, 167°40.59'E, 1600m elev.

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/erebus/erebus2012.xls GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/erebus/erebus2012.txt USA/NOAA DIF Version 9.8.4 2018-12-11 2018-12-11