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Two-Parameter Lognormal Distribution
1998The logarithmic normal probability law is widely used to describe the distribution of annual maximum values of hourly or daily precipitation (Weiss, 1957), flood flows (Chow, 1951, 1954), hydraulic conductivity (Freeze and Cherry, 1979), soil properties (physical, chemical and microbiological) (Parkin and Robinson, 1993), etc.
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Normal and Lognormal Distributions
2014This chapter deals with the most important probability distribution in statistics, the normal distribution, which is useful for conducting many kinds of analyses. The probability density function of a normal distribution, a bell-shaped curve, is completely described by two parameters, the mean m and the variance s 2 .
Ronald L. Moy +2 more
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Three-Parameter Lognormal Distribution
1998The three-parameter lognormal (TPLN)distribution is frequently used in hydrologic analysis of extreme floods, seasonal flow volumes, duration curves for daily streamflow, rainfall intensity-duration, soil water retention, etc. It is also popular in synthetic streamflow generation.
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