noaa-icecore-17817 GISP2 Ice Core 110 KYr Laser Light Scattering Data Ram, M.; Koenig, G. GISP2 Ice Core 110 KYr Laser Light Scattering Data 1997-11-30 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/17817 Investigator M. Ram Investigator G. Koenig earth science paleoclimate ice cores depth at sample start,null,null,meter,null,ice cores,null,null,N,null earth science paleoclimate ice cores ice age at sample start,null,null,calendar year before present,null,ice cores,null,null,N,null earth science paleoclimate ice cores dust,bulk ice,null,relative unit,null,ice cores,averaged,laser light scattering,N,either meltwater or solid earth science paleoclimate ice core physical properties geoscientificInformation 110977 cal yr BP 12437 cal yr BP Complete 72.6 72.6 -38.5 -38.5 3200 3200 Continent North America Greenland GISP2>LATITUDE 72.6>LONGITUDE -38.5 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 Michael Ram and Gerson Koenig 1997 Journal of Geophysical Research: Oceans 102 C12 26641-26648 10.1029/96JC03548 http://onlinelibrary.wiley.com/enhanced/doi/10.1029/96JC03548/

In this paper, we present and discuss the pre-Holocene dust profile of the Greenland Ice Sheet Project 2 (GISP2) ice core retrieved from central Greenland measured using laser/light scattering (LLS) from ice and compare it with the electrical conductivity method and oxygen isotope profiles. We describe how we dated the pre/Holocene ice using the annual dust peaks observed with LLS (starting from the accepted chronology to 2250 m) and obtained a chronology in substantial accord with the gas-age dating of the ice. We also show that the GISP2 ice core penetrated the Eemian and that a record of a 10.2-kyr penultimate glaciation is present in the GISP2 core. STUDY NOTES: GISP2 solid ice laser light scattering (LLS) data.

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/dust/lightall.txt Data File; GISP2 Laser Light Scattering 1 meter and 1/2 meter averages GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/dust/lightinf.txt Information File; GISP2 LLS Information GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/dust/ Data Folder; GISP2 LLS 50m Data Files Folder USA/NOAA DIF Version 9.8.4 2018-12-11 2018-12-11