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Large Flood Plains Modeling by a Cell Scheme: Application to the Pantanal of Mato Grosso

by Flavio C. B. Mascarenhas, Federal Univ of RJ, Brazil,
Marcelo G. Miguez, Federal Univ of RJ, Brazil,



Document Type: Proceeding Paper

Part of: Engineering Hydrology

Abstract:

The computational modeling of large flood plains presents difficulties related to the mathematical approach of the phenomenon and also to the discretization of the area under study. In this paper a two-dimensional model is used in which the watershed is divided into plain and river type cells. The discharge between cells follows known hydraulic laws either of channel flow or flow over broad crested weir. The main parameters are the discharge coefficients and the numerical solution is based on the double sweep method. The model is applied to a portion of the Pantanal of Mato Grosso, which is an area of great environmental importance of Brazil.

Subject Headings: Computer models | Mathematical models | Numerical models | Hydraulic models | Flood plains | Channel flow | Water discharge | Brazil | South America

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