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Devon Ice Cap

Download Data: Devon Ice Cap Data
On the Devon Ice Cap, at 1800 meters above sea level, three ice cores were removed in 1971, 1972, and 1973. The cores have lengths of 212, 299, and 299 meters respectively. They span approximately 100,000 years. The time scale for the cores has been discussed at length by Paterson et al., 1977, and Koerner and Fisher, 1981. The researchers believe that the time scale is accurate to +/- 5% to 5 ka BP. After that the cores have been cross-correlated with those from Camp Century in Greenland (Hammer et al., 1978). For ice older than 20ka the time scale was developed by Fourier spectral analysis of the delta 18-O values (Dansgaard et al., 1977) and, more recently, by comparison with a deep sea record (Dansgaard et al., 1983).
A NOTE ON THE FILE NAMES: d71, d72, and d73 refer to Devon and the year the core was drilled (e.g. d72 was drilled in 1972). Filenames generally contain another identifier such as del for delta 18-O data, xtal for crystal data, calc for calcium data, part for particulates, con for conductivity (liquid) data, melt for percent melt data, etc. As well, the extension to the file name will generally give information as to the sampling interval such as .1yr for annual data.
References:
Dansgaard, W., S.J. Johnsen, H.B. Clausen, and C.C. Langway, 1977: Climatic record revealed by Camp Century ice core, In: Turekian, K.E., ed., Late Cenozoic Glacial Ages. New Haven, Conn., Yale University Press. p. 37-56.
Dansgaard, W., H.B. Clausen, N. Gundestrup, and N. Reeh, 1983: A new Greenland Deep Ice Core (Record reconciled with the Camp Century and Deep Sea Records). Science 218: 1273-1277.
Fisher, D.A., 1976: A study of two O-18 records from Devon Ice cap, Canada, and comparison of them to Camp Century O-18 record, Greenland, Ph.D. thesis, Univ. of Copenhagen. 278 pp.
Fisher, D.A. and R.M. Koerner, 1980: Some aspects of climatic change in the High Arctic during the Holocene as deduced from ice cores. Abstracts. Quaternary Climatic Change Symposium. York University, Toronto, 1979. p.33. Quaternary Paleoclimate, W.C. Mahaney, ed., GeoAbstracts, 349-371.
Fisher, D.A., 1979: Comparison of 100,000 years of oxygen isotope and insoluble impurity profiles from the Devon Island and Camp Century ice cores. Quaternary Research 11:299-304.
Fisher, D.A., R.M. Koerner, W.S.B. Paterson, W. Dansgaard, N. Gundestrup, and N. Reeh, 1983: Effect of wind scouring on climatic records from icecore oxygen isotope profiles. Nature, 301:205-209.
Fisher, D.A., 1983: Carbon-14 compared to oxygen isotope records from Camp Century, Greenland and Devon Island, Canada. Climate Change, 4:419-426.
Hammer, C.U., H.B. Clausen, W. Dansgaard, N. Gundestrup, S.J. Johnsen, and N. Reeh, 1978: Dating of Greenland ice cores by flow models, isotopes, volcanic debris and continental dust. Journal of Glaciology, 20:3-26.
Koerner, R.M. and D.A. Fisher, 1985: The Devon Island ice core and the glacial record. In: Quaternary Environments: the Eastern Canadian Arctic, Baffin Bay and West Greenland. J.T. Andrews, ed., Boston, Allen and Unwin.
Koerner, R.M. and D.A. Fisher, 1981: Studying climatic change from Canadian High Arctic ice cores, Syllogeus, 33. Climate Change in Canada. ed. C.R. Harington, National Museum of Man, Ottowa, canada. p.195-218.
Koerner, R.M., 1977: Devon Island Ice Cap; core stratigraphy and paleoclimate. Science. p.15-18.
Patterson, W.S.B., R.M. Koerner, D.A. Fisher, S.J. Johnsen, H.B. Clausen, W. Dansgaard, P. Butcher, and M. Oeschger, 1977: An oxygen-isotope climatic record from the Devon Island Ice Cap, Arctic Canada, Nature, 266:508-511.
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