The Discovery of Global Warming |
August 2003 [HOME] List of illustrations BACK Variations of oxygen isotopes in the Camp Century ice core (with
changes from a smoothed curve set off in black), going back 14,000 years.
Higher temperatures to right. (Difference of isotopes
in parts per thousand graphed against years Before Present.) Viewing a section of core, 1964. Compare the picture here of the 1989-92 GISP trench. Graph from Dansgaard et al., chapter 3 of Karl K. Turekian,
ed., The Late Cenozoic Glacial Ages, |