A critique of current methods in hydrologic systems investigation

Abstract
The paper presents a critical review of current methods employed for the establishment of quantitative relationships between precipitation and runoff in hydrology. These procedures, which are classified under the general categories of ‘parametric’ and ‘stochastic’ hydrologies, include the methods of correlation analysis, partial and general synthesis, general nonlinear analysis, and statistical simulation. They are studied as mathematical models of the hydrologic systems, having specific theoretical properties and limitations. The structures of these models are examined with the aid of flow charts, and the areas of their optimum application are suggested.

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