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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 7, NUMBER 3, MARCH 1994

PROFESSIONAL PUBLICATIONS...

• TREND ANALYSIS: TEMPERATURE

Item #d94mar30

"An Oscillation in the Global Climate System of Period 65-70 Years," M.E. Schlesinger (Dept. Atmos. Sci., Univ. Illinois, 105 S. Gregory Ave., Urbana IL 61801), N. Ramankutty, Nature, 367(6465), 723-726, Feb. 24, 1994.

Applied singular spectrum analysis to global-mean temperature records and identified an oscillation that has obscured greenhouse warming in the North Atlantic and North America.

Item #d94mar31

"Model Assessment of the Role of Natural Variability in Recent Global Warming".

Item #d94mar32

"Satellite Greenhouse Signal".

Item #d94mar33

"Observed Impact of Snow Cover on the Heat Balance and the Rise of Continental Spring Temperatures," P. Ya. Groisman (Natl. Clim. Data Ctr., Federal Bldg., 37 Battery Park Ave., Asheville NC 28801; and State Hydrol. Inst., 23 Second Line, St. Petersburg, 199053, Russia), T.R. Karl, R.W. Knight, Science, 263(5144), 198-200, Jan. 14, 1994.

Observations show that the retreat of the extent of spring snow cover in the Northern Hemisphere over the past 20 years parallels a change in the influence of snow cover on the radiative balance and observed increase of spring temperatures over the same area. This helps explain why the 20th century increase in surface temperature in the Northern Hemisphere has been greatest in spring.

Item #d94mar34

"A Computer-Based Atlas of Global Instrumental Climate Data," R.S. Bradley (Dept. Geol., Univ. Massachusettts, Amherst MA 01003), L.G. Ahern, F.T. Keimig, Bull. Amer. Meteor. Soc., 75(1), 35-41, Jan. 1994.

Describes color-shaded and contoured images of globally gridded instrumental data available on Internet (as graphics interchange format files that can be displayed on many computers) or on CD-ROMs.

Item #d94mar35

Four items from Clim. Change, 25(2), Oct. 1993:

"Spatial and Temporal Analysis of Middle Eastern Temperature Changes," H.A. Nasrallah (Coll. Health Sci., Publ. Author. Appl. Educ. & Training, Kuwait City, Kuwait), 153-161. Temperature records reveal an increase of 0.07·C per decade from 1950-1990 that may be associated with a concurrent increase in CO2.

"Secular Trends in High Northern Latitude Temperature Reconstructions Based on Tree Rings," R.D. D'Arrigo (Tree-Ring Lab., Lamont-Doherty Earth Observ., Palisades NY 10964), G.C. Jacoby, 163-177. Reconstructions for the period 1682-1968 confirm that this region is now in an abnormally warm state compared to the past three centuries.

"Breaking Global Temperature Records After Mt. Pinatubo," G.W. Bassett Jr. (Dept. Econ., Univ. Illinois, POB 4348, Chicago IL 60680), Z. Lin, 179-184. The eruption has greatly lowered the probability of a global high-temperature record during the next few years. A lengthy comment follows (pp. 185-191) by J. Hansen (NASA-Goddard, 2880 Broadway, New York NY 10025) and H. Wilson.

Item #d94mar36

"Analysis of Recent Climatic Changes in the Arabian Gulf Region," H.A. Nasrallah (Coll. Health Sci., Publ. Author. Appl. Educ. & Training, Kuwait City, Kuwait), R.C. Balling Jr., Environ. Conserv., 20(3), 223-226, Autumn 1993.

The observed temperature increase of 0.65·C during the past century and accelerated warming in the past 40 years are consistent with model predictions.

Item #d94mar37

"Trends of Daily Maximum and Minimum Temperature in Canada During the Past Century," W.R. Skinner (Atmos. Environ. Serv., 4905 Dufferin St., Downsview ON M3H 5T4, Can.), D.W. Gullett, Clim. Bull., 27(2), 63-77, Aug. 1993.

Mean annual temperatures increased 1.1·C, with increases in both daytime maximum and nighttime minimum temperatures. Mean temperature range decreased in most regions.

Item #d94mar38

"Greenhouse Statistics: Time Series Analysis," R.S.J. Tol (Inst. Environ. Stud., Vrije Univ., Amsterdam, Neth.), A.F. de Vos, Theor. Appl. Clim., 48(2-3), 63-74, 1993.

Reports on a number of statistical investigations and manipulations, concluding that the increase in atmospheric CO2 is at least partly responsible for the recent increase in global temperatures.