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Information Journal Paper

Title

DEVELOPMENT OF A SYNTHETIC SEDIMENT GRAPH USING HYDROLOGICAL DATA

Pages

  69-77

Abstract

 A proper and an accurate evaluation of sediment concentration are required for managers and planners for the suitable and effective design of hydraulic structures. The design of most of the soil and water conservation structures is made inaccurately, since the number of studies conducted in the field of sediment temporal distribution is limited. The problem mentioned above is particularly exaggerated in developing countries where more effort is needed in research to achieve appropriate solutions for problems encountered. The main objective of conducting the present research was to develop a model through which the temporal distribution of the watershed sediment i.e. the sediment graph during a storm event can be estimated. The model was developed on the basis of the easily accessible hydrological data of the Amameh watershed in Iran comprising an area of 3712 ha. A water discharge rating curve, precipitation-runoff relationship and SEDIMENT RATING CURVEs were developed for the watershed study for the completion and refinement of the collected hydrological data. From the SEDIMENT RATING CURVE (SRC), it was observed that in most of the cases there was more than one value of sediment discharge for the same value of runoff discharge located at the rising and falling limbs of the hydrograph. Therefore, the development of two separate regression equations for these sets of points was attempted by using regression and confidence area ellipse approaches. The approach based on the hydrological data was then used for the development of a storm-wise temporal distribution prediction model for sediment yield. Based on the results of factorial scoring, it was found that the model developed on the basis of the concept of UNIT SEDIMENT GRAPH and convolution into direct sediment graph using the SEDIMENT MOBILIZED could be supposed as an acceptable performed model for the prediction of the sediment graph in the study watershed.

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    APA: Copy

    SADEGHI, S.H.R., & SINGH, J.K.. (2005). DEVELOPMENT OF A SYNTHETIC SEDIMENT GRAPH USING HYDROLOGICAL DATA. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 7(1-2), 69-77. SID. https://sid.ir/paper/539932/en

    Vancouver: Copy

    SADEGHI S.H.R., SINGH J.K.. DEVELOPMENT OF A SYNTHETIC SEDIMENT GRAPH USING HYDROLOGICAL DATA. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2005;7(1-2):69-77. Available from: https://sid.ir/paper/539932/en

    IEEE: Copy

    S.H.R. SADEGHI, and J.K. SINGH, “DEVELOPMENT OF A SYNTHETIC SEDIMENT GRAPH USING HYDROLOGICAL DATA,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 7, no. 1-2, pp. 69–77, 2005, [Online]. Available: https://sid.ir/paper/539932/en

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