EFFECT OF FLOAT-WEIGHTS ON DISCHARGE MEASUREMENT
- Authors
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Abayomi Olayiwola Eruola
Federal University of Agriculture, Abeokuta
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Akeem Makinde
Federal University of Agriculture, Abeokuta
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Gbenga Adegboyega Eruola
Federal University of Agriculture, Abeokuta
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Kolawole Ayoola
Federal University of Agriculture, Abeokuta
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Lugard Nwamini
Federal University of Agriculture, Abeokuta
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- Keywords:
- Float, Weight, Stream Flow, Velocity
- Abstract
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The use of float method of discharge measurement information in rivers is vital for hydrological analysis, though there is no specific information on the choice of float material to be used for the measurement. A comparison of four float materials having different weight for estimation of stream discharge was carried out on Apakula stream in Ogun State, Southwestern Nigeria. Depth and width measurements were carried out by means of a canoe, ropes and graduated metal rod. Velocity measurement was carried out by means of Table tennis egg, Orange, 0.5 and 1 liter plastic bottle partially filled with water and a stop clock. Ten different measurements were carried out at various locations along the river. Data were subjected to one – way ANOVA using the Genstat statistical package discovery edition 3 to determine the weekly mean and standard deviation of estimated discharge records for the stream. Results show significant difference (p < 0.05) in discharge measured with varying weight of floats. It was observed that though the pattern of discharge measured values were similar in all the selected float weight, the discharge increases with decreasing weight of float.
- Author Biographies
- References
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John Fulton and Joseph Ostrowski (2008). Measuring real-time streamflow using emerging technologies: Radar, hydroacoustic, and the probability concept.U. S. Geological Survey, Pennsylvania Water Science Center and Atlantic River Forecast Center USA.
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- 2021-04-06
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