2.6.2. Graphical Representation of Stream Flow The stream flow data are usually recorded in tabular form. For analyzing these data, one has to prepare graphical plots of the stream flow data such as hydrograph, flow-duration curve, flow-mass curve or simply mass curve etc. Hydrograph is a graphical plot between discharge (on y-axis) and the corresponding time (days or months or even hours). Hydrograph analysis is
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dealt with separately in Art. 2.7. Description of the mass curve and flow-duration curve has been included in this article.
