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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 8, NUMBER 11, NOVEMBER 1995

PROFESSIONAL PUBLICATIONS...
SUN-CLIMATE RELATIONSHIPS

Item #d95nov48

"Connection Between the Troposphere and Stratosphere on a Decadal Scale," K. Labitzke (Meteor. Inst., Freie Univ., C.H. Becker Weg 6-10, 12165 Berlin, Ger.), H. Van Loon, Tellus, 47A(2), 275-286, Mar. 1995.

The authors used radiosonde data to examine the vertical structure of an atmospheric oscillation with an average period of 10-12 years, first reported by them in 1987, that is well correlated with the 11-year solar cycle. They find that the oscillation, which is manifest primarily in the stratosphere, also affects temperatures in the middle and upper troposphere in some regions. (See discussion of this work in Science, p. 633, Aug. 4, 1995 and related discussion listed in Res. News last month in GCCD.)

Item #d95nov49

"Variation of Spring Climate in Lower-Middle Yangtse River Valley and Its Relation with Solar-Cycle Length," S. Hameed (Inst. Terr. & Planet. Atmos., State Univ. New York, Stony Brook NY 11794), G. Gong, Geophys. Res. Lett., 21(24), 2693-2696, Dec. 1, 1994.

In 1991, Friis-Christensen and Lassen showed a close relationship between the long-term variations of the solar sunspot cycle length and instrumental measurements of air temperature over land in the Northern Hemisphere. This study checks and largely agrees with that hypothesis, using phenological dates and proxy spring temperatures in a region of China over the period 1580-1920.

Item #d95nov50

"The One Hundredth Year of Rudolf Wolf's Death: Do We Have the Correct Reconstruction of Solar Activity?" D.V. Hoyt (Res. & Data Sys. Corp., 7855 Walker Dr., S. 460, Greenbelt MD 20770), K.H. Schatten, E. Nesmes-Ribes, ibid., 21(18), 2067-2070, Sep. 1, 1994.

Assembles observations made by more than 350 observers between 1610 and 1993 into a homogeneous record of sunspot activity, revising the sunspot number reconstruction of Wolf in the 19th century. Some trends differ significantly from Wolf's record.