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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Lognormal Size Distribution of Particulate Matter
Khalid Mahmood
ABSTRACT
Communication, analysis and interpretation of size distribution data for particulate matter are greatly simplified if observed size distributions can be represented by known probability density functions. Lognormal size distribution is often found applicable to particulate matter in nature and in industrial processes. In practice, many advantages accrue when lognormal distribution is applicable.
It has been theoretically shown by other workers that processes involving "proportionate effect" yield lognormal size distributions. Numerical experiments show that alluvial transport of sand-size bed material also results in lognormal size distribution even though the starting bed-material has a uniform or gaussian distribution.
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