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predicted spectrum is in agreement (within two standard deviations on either side of
the mean) with total averaged radius size spectra for the following four experimen-
tally determined data sets: (i) CIRPAS mission TARFOX_WALLOPS_SMPS aero-
sol size distributions; (ii) CIRPAS mission ARM-IOP (Ponca City, OK)aerosol size
distributions; (iii) SAFARI 2000 CV-580 (CARG Aerosol and Cloud Data) cloud
DSDs; and (iv) TWP-ICE (Darwin, Australia) rain DSDs. SAFARI 2000 aerosol
size distributions reported by Haywood et al. ( 2003 ) also show similar shape for
the distributions. Classical statistical physical concepts underlie the physical hy-
pothesis relating to the dynamics of the atmospheric eddy systems proposed in this
chapter. Model predicted spectrum satisfies the maximum entropy principle of sta-
tistical physics.
The general systems theory model for aerosol size distribution is scale free and
is derived directly from atmospheric eddy dynamical concepts. At present empiri-
cal models such as the log normal distribution with arbitrary constants for the size
distribution of atmospheric suspended particulates are used for quantitative estima-
tion of earth-atmosphere radiation budget related to climate warming/cooling trends
(Sect. 3.2).
References
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