Scaling behaviour in daily air humidity fluctuations

Abstract

We show that the daily average air humidity fluctuations exhibit non-trivial $1/f^{\alpha }$ behaviour which different from the spectral properties of other meteorological quantities. This feature and the fractal spatial strucure found in clouds make it plausible to regard air humidity fluctuations as a manifestation of self-organized criticality. We give arguments why the dynamics in air humidity can be similar to those in sandpile models of SOC.

3 pages, latex rewtex, 6 short Post Script files attached

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