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  1. No Access

    Article

    Ice core sample measurements give atmospheric CO2 content during the past 40,000 yr

    Recent measurements1,2 on ice samples from Camp Century (Greenland, 77°10'N, 61°08'W), Byrd Station (Antarctica, 80°01'S, 110°31'W) and Dome C (74°40'S, 125°10'E) suggest that during the late part of the last gla...

    A. Neftel, H. Oeschger, J. Schwander, B. Stauffer, R. Zumbrunn in Nature (1982)

  2. No Access

    Article

    Isotope analysis by infrared laser absorption spectroscopy

    The feasibility of IR laser spectroscopy as a technique for the measurement of small abundances of stable and radioactive isotopes has been examined. Theoretical considerations and first experimental results w...

    B. Lehmann, M. Wahlen, R. Zumbrunn, H. Oeschger, W. Schnell in Applied physics (1977)