Absence of determinism in El Niño Southern Oscillation.
We perform two direct determinism tests on the El Niño Southern Oscillation index monthly average series. The results indicate that, for timescales over 1 month, the series does not exhibit determinism, an essential feature of chaos.
Binder
P-M
PM
Department of Physics and Astronomy, University of Hawaii, 200 West Kawili Street, Hilo, Hawaii 96720, USA. pbinder@hawaii.edu
Wilches
Camilo A
CA