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Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999

FROM VOLUME 6, NUMBER 11, NOVEMBER 1993

PROFESSIONAL PUBLICATIONS...
PALEOCLIMATOLOGY: BOREHOLE TEMPERATURE ANALYSES

Item #d93nov29

Special issue: Global and Planetary Change, 6(2-4), Dec. 1992 (Elsevier), contains 18 papers on inferring climatic change from underground temperatures, many of which were presented at an IASPEI meeting (Vienna, 1991). The first five concern general application of the technique, while the rest apply to specific locations.

Item #d93nov30

"Repeat Temperature Measurements in Borehole GC-1, Northwestern Utah: Towards Isolating a Climate Change Signal in Borehole Temperature Profiles," D.S. Chapman (Dept. Geol., Univ. Utah, Salt Lake City UT 84112), R.N. Harris, Geophys. Res. Lett., 20(18), 1891-1894, Sep. 15, 1993.

Repeating measurements (1978, 1990, 1992) in the same borehole is one method of isolating climatic change from other factors that can influence local ground temperature.

Item #d93nov31

"Climate Change Inferred from Borehole Temperatures," H.N. Pollack (Dept. Geol. Sci., Univ. Michigan, Ann Arbor MI 48109), Global Plan. Change, 7(1-3), 173-179, May 1993.

Reviews the application of this technique, which has the potential to extend direct observations of temperature well into the pre-industrial era, particularly in North America. (Part of the special issue on quaternary Earth system changes listed below.)