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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 1, JANUARY 1994

PROFESSIONAL PUBLICATIONS...

• GLOBAL MODELING

Item #d94jan27

"Uncertainties in Carbon Dioxide Radiative Forcing in Atmospheric General Circulation Models," R.D. Cess, M.-H. Zhang et al., Science, 262(5137), 1252-1255, Nov. 19, 1993. (See GCCD, Dec 1993)

Item #d94jan28

"Interdecadal Variations of the Thermohaline Circulation in a Coupled Ocean-Atmosphere Model," T. Delworth (GFDL, POB 308, Princeton NJ 08542), S. Manabe, R.J. Stouffer, J. Clim., 6(11), 1993-2011, Nov. 1993.

A fully coupled model shows irregular oscillations of the North Atlantic thermohaline circulation with a 50-year time scale.

Item #d94jan29

"A Stirring Tale of Mixing," C. Garrett (Dept. Phys., Univ. Victoria, Victoria BC V8W 3P6, Can.), 670-671. Discusses the implications for modeling ocean mixing of the paper on p. 701 of the same issue.

Item #d94jan30

"Do Biophysics and Physiology Matter in Ecosystem Models?" G.B. Bonan (NCAR, POB 3000, Boulder CO 80307), Clim. Change, 24(4), 281-285, Aug. 1993.

An editorial stressing the need for ecologists to reconcile the physiological and biophysical discrepancies between their simple models and the more detailed parameterizations used in climate models.

Item #d94jan31

"The Project for Intercomparison of Land-Surface Parameterization Schemes," A. Henderson-Sellers (Clim. Impacts Ctr., Macquarie Univ., Sydney, Australia), Z.-L. Yang, R.E. Dickinson, Bull. Amer. Meteor. Soc., 74(7), 1335-1349, July 1993.

The significant differences in the available land-surface schemes for global climate models are comparable to other recognized differences such as cloud parameterization. Presents the science plan for the first stage of the project, which involves those who develop and use code, and those who can provide data sets for validation.

Item #d94jan32

"Snow Cover Model for Global Climate Simulations," B. Loth (M. Planck Inst. Meteor., Bundesstr. 55, D-2000 Hamburg 13, Ger.), H.-F. Graf, J.M. Oberhuber, J. Geophys. Res., 98(D6), 10,451-10,464, June 20, 1993. Presents an efficient, 1-D multilayer model of snow cover with examples of application.

Item #d94jan33

"Downscaling of Global Climate Change Estimates to Regional Scales: An Application to Iberian Rainfall in Wintertime," H. von Storch (address immed. above), E. Zorita, U. Cubasch, J. Clim., 6(6), 1161-1171, June 1993.

Presents a statistical method for deducing regional-scale features from GCM simulations, and applies it using two increased CO2 scenarios.

Item #d94jan34

"South Asian Summer Monsoon Variability in a Model with Doubled Atmospheric Carbon Dioxide Concentration," G.A. Meehl (NCAR, POB 3000, Boulder CO 80307), W.M. Washington, Science, 260(5111), 1101-1104, May 21, 1993.

Increased surface temperatures are associated with increased interannual monsoon variations in a global climate model, an association also observed in observations.

Item #d94jan35

"Responses of IAP AGCM to Global SST Anomalies--An Equivalent Study of CO2-Induced Climate Changes," W. Wangqiu (Inst. Atmos. Phys., Chinese Acad. Sci., Beijing 100080, China), Chinese J. Atmos. Sci., 17(2), 141-147, 1993.

Positive SST anomalies are prescribed as a surrogate for increased CO2 in a GCM, permitting the study of associated physical responses in the atmosphere such as cloud distribution, convection and precipitation.

Item #d94jan36

"A Compilation of Inventories of Emissions to the Atmosphere," T.E. Graedel (AT&T Bell Labs., Murray Hill NJ 07974), T.S. Bates et al., Global Biogeochem. Cycles, 7(1), 1-26, Mar. 1993.