Determination of the minimum tether of the Tocantins and Araguaia waterway

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Marcelo de Miranda Reis
Cassia Vanessa de Castro
José Carlos Cesar Amorim

Abstract

A calculation of the depth of fluid flow in the fluviometrics stations located in the Tocantins and Araguaia Waterway is presented with 90%of the minimum annual water level in a recurrence time of 10 years. For the data analysis the Gumbel and the Weibull statistics methods were used. This study is important to determine the navigability conditions of the waterway in locations that are navigable through most of the year and in parts that need dredging works. To proper calculate the dredging volumes it is necessary to know the minimum depth of flow with 90% of the minimum annual water level in a recurrence time of 10 years. The results obtained with the Weibull distribution show a tendency for smaller water levels when compared with the results obtained with the Gumbel distribution.

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How to Cite
Reis, M. de M., Castro, C. V. de, & Amorim, J. C. C. (2022). Determination of the minimum tether of the Tocantins and Araguaia waterway. Revista Militar De Ciência E Tecnologia, 38(4), 26-36. Retrieved from http://ebrevistas.eb.mil.br/CT/article/view/9038
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