Abstract
Atmospheric flows exhibit fractal fluctuations and inverse power law for power spectra indicates an eddy continuum structure for the self-similar fluctuations. A general systems theory for aerosol size distribution based on fractal fluctuations is proposed. The model predicts universal (scale-free) inverse power law for fractal fluctuations expressed in terms of the golden mean. Atmospheric particulates are held in suspension in the fractal fluctuations of vertical wind velocity. The mass or radius (size) distribution for homogeneous suspended atmospheric particulates is expressed as a universal scale-independent function of the golden mean, the total number concentration, and the mean volume radius. Model-predicted spectrum is compared with the total averaged radius size spectra for the AERONET (aerosol inversions) stations Davos and Mauna Loa for 2010 and Izana for 2009. There is close agreement between the model predicted and the observed aerosol spectra. The proposed model for universal aerosol size spectrum will have applications in computations of the radiation balance of earthatmosphere system in climate models.
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Selvam AM (2013) Scale-free Universal Spectrum for Atmospheric Aerosol Size Distribution for Davos, Mauna Loa and Izana. Int J Bifurcation Chaos 23, 1350028. http://arxiv.org/pdf/1111.3132
Acknowledgements
The author is grateful to Dr. Christoph_Wehrli, Dr. Brent. N. Holben, and Dr. Philippe Goloub, the respective principal investigators of AERONET sites Davos, Mauna Loa, and Izana and their team members for free and generous distribution of aerosol data to the scientific community and their efforts in establishing and maintaining the AERONET sites .
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Selvam, A. (2015). Universal Spectrum for Atmospheric Suspended Particulates: Comparison with Observations: Data Set III. In: Rain Formation in Warm Clouds. SpringerBriefs in Meteorology. Springer, Cham. https://doi.org/10.1007/978-3-319-13269-3_5
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DOI: https://doi.org/10.1007/978-3-319-13269-3_5
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