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Summary: Nonlinear volatility of river flux fluctuations
Valerie N. Livina,1
Yosef Ashkenazy,2
Peter Braun,3
Roberto Monetti,4
Armin Bunde,5
and Shlomo Havlin1
1
Minerva Center and Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel
2
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
3
Bayerisches Landesamt fušr Wasserwirtschaft, Lazarettstrasse 67, D-80636 Mušnchen, Germany
4
Center for Interdisciplinary Plasma Science (CIPS), Max-Planck-Institut fušr Extraterrestrische Physik, Giessenbachstrasse 1,
85749 Garching, Germany
5
Institut fušr Theoretische Physik III, Justus-Liebig-Universitašt Giessen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany
Received 25 September 2002; revised manuscript received 12 November 2002; published 7 April 2003
We study the spectral properties of the magnitudes of daily river flux increments, the volatility. The volatility
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