February 28, 2007
GCRIO Program Overview
Our extensive collection of documents.
Archives of the
Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 2, NUMBER 3, MARCH 1989
"Chemistry and Transport in a Three-Dimensional Stratospheric Model:
Chlorine Species During a Simulated Stratospheric Warming," J.A. Kaye
(Atmos. Chem. & Dynamics, NASA Goddard Space Flight Ctr., Greenbelt MD
20771), J. Geophys. Res., 94(D1), 1057-1083, Jan. 20, 1989.
Calculations were carried out for a 6-day major stratospheric warming period
using winds derived from a spectral forecast model. Results include zonal mean
fields, latitude-longitude distributions (with time changes), vertical profiles,
and time series of the mixing ratios of transported constituents and of total
stratospheric column amounts. Results show transport and chemistry are important
for ClO, ClONO2, HCl and HOCl. Dynamical effects dominate the variability of
HCl, while diurnal ones dominate ClONO2 and ClO.
"Potential Effects of Anthropogenic Trace Gas Emissions on
Atmospheric Ozone and Temperature Structure and Surface Climate," R.K.R.
Vupputuri (Canadian Climate Ctr., 4950 Dufferin St., Downsview, Ontario M3H 5T4,
Can.), Atmos. Environ., 22(12), 2809-2818, Dec. 1988.
Uses a coupled 1-D radiative-convective and photochemical diffusion model to
assess possible effects of past historical and projected future anthropogenic
emissions in two types of experiments. Found in both cases the direct and
indirect effects of non-CO2 major trace gases (N2O, CH4 and CFCs) contribute
substantially to the calculated temperature changes due to an increase in CO2
concentration. Also discusses the calculated changes in atmospheric O3 which
contribute indirectly to the surface warming and stratospheric cooling.
"Climate and Regional Resource Analysis: The Effect of Scale on
Resource Homogeneity," R.M. Cushman (Environ. Sci. Div., Oak Ridge Nat.
Lab., Oak Ridge TN 37831), M.P. Farrell, F.A. Koomanoff, Climatic Change,
13(2), 129-148, Oct. 1988.
Quantifies the change in resource heterogeneity as a function of gridcell
size. Analyzes four resource variables (wheat yield, percent forest cover,
population density, and percent of land irrigated) on the basis of
county-averaged data. Assignment to major drainage basins is based on exact
watershed boundaries. A major change in resource heterogeneity within gridcells
occurs at a grid length of from 1.2° to 3° .
"The Role of Thermal Expansion in Raising the Global Sea Level,"
P.F. Demchenko (Inst. Atmos. Phys., USSR Acad. Sci.), Ye. Yu. Polezhayeva, Izvestiya,
Atmos. & Oceanic Phys., 700-706, April 1988 (English trans. from
Russian, 23(9), 1987).
Presents estimates of the change in sea level for a specified linear surface
temperature trend that were obtained from diffusive and advective-diffusive
models and from observed secular changes in sea level. Calculations from the
diffusive model produce satisfactory agreement with observations, but results
obtained with allowance for large-scale upwelling are considerably below the
observed values. Corrections for possible change in the speed of large-scale
upwelling brings the predicted sea level closer to the empirical figures.
Guide to Publishers
Index of Abbreviations