February 28, 2007
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FROM VOLUME 7, NUMBER 2, FEBRUARY 1994
- GENERAL INTEREST--SCIENCE: CLIMATE CHANGE DETECTION
Climate Change Signals: Are There Any 'Fingerprints'?" S.H.
Schneider (Dept. Biol. Sci., Stanford Univ., Stanford CA 94305), Science, 263(5145),
341-347, Jan. 21, 1994.
Some researchers have suggested that univariate indicators of
possible climate change, such as globally averaged surface air
temperature, should be replaced by multivariate methods called
fingerprints, based on regionally heterogeneous projections of
climate models. However, this extensive review argues that, until
climate models are driven by time-evolving, multiple,
heterogeneous forcing factors, the best climate change
fingerprint will probably remain trends in large-scale surface
air temperature over many decades.
Variable Ocean," T.F. Stocker (Phys. Inst., Univ. Berne,
Sidlerstr. 5, 3012 Berne, Switz.), Nature, 367(6460),
221-222, Jan. 20, 1994.
Comments on a recent paper by Delworth et al., which describes
interactions between the ocean and atmosphere with a time scale
of 40-60 years exhibited in a climate model simulation of present
conditions. If the 40-60 year fluctuations generated in the model
are also present in the real atmosphere, as some observations
suggest, they would confound attempts to detect anthropogenic
climate change. (See "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,
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