Abstract
Analysis This review article summarizes the results of Soviet‐French investigations into the ice core from a deep drillhole at Vostok Station in Antarctica. Changes in air temperature, snow accumulation, greenhouse gases, aerosols and other chemical components in the environment are traced over 160,000 years, i.e., over a full climatic cycle. Orbital and atmospheric impacts on the climate and on the role of greenhouse gases in these processes are analyzed. On the basis of these analyses, it is predicted that with a doubling of atmospheric CO2 (which many scientists believe to be highly probable) temperatures may rise by 3–4° C; this in turn could lead to a massive collapse of the world's marine ice sheets and to a sea‐level rise of 5–7 m; mountain glaciers in temperate and subtropical latitudes would almost entirely disappear.
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