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Essay sample - Storm Drainage Design Project, Hydrographs
Pages 9 (2259 words)
Hydrographs are used in the analysis of rivers. The line graph and the bar graph are used to represent the activity of water flowing in rivers. Hence water from the river can be useful if we know how to make a design that is truly fruitful to end users. Usually, in the study of storm drainage, the analysis of hydrographs are considered…
Rainfall is the input used to a watershed and the stream flow is also considered as the output of the watershed. A hydrograph also represents how a watershed reacts to rainfall. King1998, in his report said that the response of a watershed to rainfall depends on several factors which affects the shape of a hydrograph. This represents the effect of rainfall on a particular basin. This is a hypothetical response of a watershed to the input of rainfall. This will allow calculations of the response to any input(rainfall). Hydrographs are often affected by factors of soil saturation and the surroundings. The vegetation type and the steepness of the surrounding lands, with the drainage density(Stott,2005). Very dry weather, nornmally creates a crust on river beds and wet winters would increase the discharge. Sand and clay produces a flashy hydrographs but there could be a difference between the two.
be used as a water source of an open channel that would supply water to nearby reservoir. The hydrograph data was used to analyze the water activity in the river after a rainstorm. The study was done for a period of 96 hours. Measurements on the height of water was done on an hourly basis. The results of which are as follows. The water level was almost constant for the first 43 hours. At the start of the 44th hour, the water level started to rise. ...
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