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9 April 2001 Multifractal characterization of nonstationarity and intermittency of cloud base height signals
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Proceedings Volume 4397, 11th International School on Quantum Electronics: Laser Physics and Applications; (2001) https://doi.org/10.1117/12.425187
Event: 11th International School on Quantum Electronics: Laser Physics and Applications, 2000, Varna, Bulgaria
Abstract
Cloud base profiles measured with laser ceilometer are studied using multifractal approach. The method assesses nonstationarity and intermittency pertinent to such highly fluctuating signals. The irregular structure of the signals is a benchmark for non-linear dynamics processes. The analysis searches for the scaling properties of q-th order singular measures and q-th order structure functions. Therefore, the method seeks for various scales of self-affinity, i.e. searches for multi-affinity. We found that multifractality is the signature of the cloud base height profiles, characterized with a hierarchy of exponents q H(q) and K(q). The value of the roughness parameter H1 is consistent with the one obtained for the same data using different method of analysis. The multifractal behavior is consistent also with the multi- affine properties of other atmospheric data recorded simultaneously during the same field experiment ASTEX'92.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nadia S. Gospodinova, K. Ivanova, Eugene E. Clothiaux, and Thomas P. Ackerman "Multifractal characterization of nonstationarity and intermittency of cloud base height signals", Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); https://doi.org/10.1117/12.425187
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