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Microstructural Location and Composition of Impurities in Polar Ice Cores Data DOI: https://doi.org/10.7265/N5DF6P5P Cite as Baker, I., & Obbard, R. (2010) "Microstructural Location and Composition of Impurities in Polar Ice Cores" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N5DF6P5P. AMD - DIF Record(s) NSIDC-0436_1 Abstract This data set contains measurements of impurities and ions in three polar ice cores: the Vostok 5G ice core and the Byrd ice core from Antarctica, and the Greenland Ice Sheet Project 2 (GISP2) D core. Parameters include sample depth, grain size, ion concentration, and ice core impurity information. Measurements were made using Ion Chromatography (IC), optical microscopy, and Scanning Electron Microscope-Energy Dispersive Spectroscopy (SEM/EDS). Data are available via FTP in Microsoft Excel (.xls)and Microsoft Word (.doc) formats. Creator(s): Baker, Ian; Obbard, Rachel Date Created: 2010-02-15 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -119.516667, East: -119.516667, South: -80.016667, North: -80.016667 West: -38.466667, East: -38.466667, South: 72.583333, North: 72.583333 West: 106.8, East: 106.8, South: -72.466667, North: -72.466667 Temporal Extent(s) Start: 1999-01-01 - End: 2005-12-30 Award(s) NSF 0440523 NSF 9980379 Version: 1 Related Project(s) The Physical Properties of the US ITASE Firn and Ice Cores from South Pole to Taylor Dome References Obbard, R., I. Baker, and K. Sieg. 2006. Using Electron Backscatter Diffraction Patterns to Examine Recrystallization in Polar Ice Sheets. Journal of Glaciology, 52(179), 546 - 557. (doi:10.3189/172756506781828458) Alley, R. B and G. A. Woods, 1996. Impurity influence on normal grain growth in the GISP2 ice core, Greenland. J. Glaciol., 42(141), 255-260. (doi:10.3189/S0022143000004111) Baker, I., D. l Iliescu, R. Obbard, H. Chang, B. N. Bostick,and C. P. Daghlian. 2006. Microstructural characterization of ice cores, Annals of Glaciology, vol. 42, p. 441. (doi:10.3189/172756405781812853) Baker, I., R. W. Obbard, D. Iliescu and D. Meese. 2007. Microstructural Characterization of Firn. Hydrological Processes, vol. 21, no. 12, p. 1624., Baker, I., R. W. Obbard, D. Iliescu and D. Meese. 2006. Microstructural Characterization of Firn. Proceedings of the 46th Eastern Snow Conference, Bibliography: p. 211. Buck, C. F., P. A. Mayewski, M. J. Spencer, S. Whitlow, M. S. Twickler, and D. Barrett. 1992. Determination of major ions in snow and ice cores by ion chromatography. Journal of Chromatography A, Volume 594, Issues 1-2, 6 March, Pages 225-228, doi: 10.1016/0021-9673(92)80334-Q. (doi:10.1016/0021-9673(92)80334-Q) Cullen, D. C. 2002. The Structure and Chemistry of Polar Glacier Ice. PhD Thesis, Thayer School of Engineering, Dartmouth College, Hanover, NH. Cullen, D. C. and I. Baker. 2000. Correspondence. The Chemistry of Grain Boundaries in Greenland Ice. J. Glaciology, 46(155), 703-706. (doi:10.3189/S0022143000212756) Cullen D. C. and I. Baker. 2001. Observations of Impurities in Ice. Microsc. Res. Tech., 55(3), 198-207. (doi:10.1002/jemt.10000) Gow, A. J., D. A. Meese, R. B. Alley, J. J. Fitzpatrick, S. Anandakrishnan, G. A. Woods and B. C. Elder. 1997. Physical and structural properties of the Greenland Ice Sheet Project 2 ice core: A review. J. Geophys. Res., 102(C12), 26559-26575., Iliescu, D. and I. Baker. 2008. Effects of Impurities and their Redistribution during Recrystallization in Ice Crystals, Journal of Glaciology, vol. 54, p. 362. (doi:10.1029/97JC00165) Obbard, R., I. Baker and D. Iliescu. 2006. Grain Boundary Grooving in Ice in a Scanning Electron Microscope, Journal of Glaciology, vol. 52, no. 176, p. 169. (doi:10.3189/172756506781828845) Obbard, R. and I. Baker. 2007. The Microstructure of Meteoric Ice from Vostok, Antarctica, Journal of Glaciology, vol. 53, no. 180, p. 41. (doi:10.3189/172756507781833901) Keywords Antarctica Arctic Byrd Glacier Byrd Ice Core Chemistry:ice Geochemistry GISP2 Glaciers/ice Sheet Glaciology Ice Core Records Lake Vostok Paleoclimate Vostok Ice Core