The North and South Hemispheres often fall out of step with each other, sometimes briefly moving in opposite climatic directions.
References:
Blunier, T., et al. 1998. Asynchrony of Antarctic and Greenland climate change during the last glacial period. Nature 394(Aug. 20):739.
White, J.W.C., and E.J. Steig. 1998. Timing is everything in a game of two hemispheres. Nature 394(Aug. 20):717.
Further Readings:
Monastersky, R. 1997. The big chill. Science News 152(Oct. 4):220.
Sources:
Thomas Blunier
University of Bern
Physics Institute
Climate and Environmental Physics
Sidlerstrasse 5
CH-3012 Bern
SwitzerlandJames W.C. White
University of Colorado
Institute of Arctic and Alpine Research
Campus Box 450
Boulder, CO 80309
8/22/98
copyright 1998 ScienceService