The Soil Conservation Service Curve Number (SCS-CN) method is widely used for predicting direct runoff from rainfall events. The ratio of initial abstraction (λ=Ia/S) to maximum potential retention (S) was assumed in its original development to be equal to 0.2 (λ=Ia/S=0.2) in SCS-CN method. Application of the initial abstraction ratio equal to 0.2 out of the area where it has been developed may...

appraisal is a basic operation before selecting archives. since, state organizations produce large amount of records, parts of which are maintained in archive's repositories, its necessary to set up storage systems, based on records' life cycle, as well as archive's procedures and standards. one can define appraisal as a subject analysis of records in order to determine retention...

According to mackay, values in general and ethical values in particular are subjective in nature. That is, they have no foundation independent of mans wishes and subjective human inelinations.  According to his definition of subjectivism, values have no foundation, but the basis of values are not independent of manchr('39')s desires. He offers two arguments for his theory. One is based on the r...