Nonlinear Processes in Geophysics www.nonlin-processes-geophys.net 1023-5809 1607-7946 14 6 2007 10.5194/npg-14-723-2007 http://www.nonlin-processes-geophys.net/14/723/2007/ http://www.nonlin-processes-geophys.net/14/723/2007/npg-14-723-2007.html http://www.nonlin-processes-geophys.net/14/723/2007/npg-14-723-2007.pdf 723 733 2007-11-26 Anti-persistence in the global temperature anomaly field L. M. V. Carvalho leila@model.iag.usp.br A. A. Tsonis C. Jones H. R. Rocha P. S. Polito Dept. of Atmospheric Sciences, University of São Paulo, Brazil Dept. of Mathematical Sciences, Atmospheric Sciences Group, University of Wisconsin, Milwaukee, USA Institute for Computational Earth System Sciences, University of California, Santa Barbara, USA Dept. of Physical Oceanography, University of São Paulo, Brazil In this study, low-frequency variations in temperature anomaly are investigated by mapping temperature anomaly records onto random walks. 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