MGB-IPH model for hydrological and hydraulic simulation of large floodplain river systems coupled with open source GIS

Citation data:

Environmental Modelling & Software, ISSN: 1364-8152, Vol: 94, Page: 1-20

Publication Year:
2017
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DOI:
10.1016/j.envsoft.2017.03.029
Author(s):
Paulo Rógenes Monteiro Pontes, Fernando Mainardi Fan, Ayan Santos Fleischmann, Rodrigo Cauduro Dias de Paiva, Diogo Costa Buarque, Vinícius Alencar Siqueira, Pedro Frediani Jardim, Mino Viana Sorribas, Walter Collischonn
Publisher(s):
Elsevier BV
Tags:
Computer Science, Environmental Science
article description
Large-scale hydrological models are useful tools for water resources studies, however, river network flow routing is generally represented using simplified methods, which may lead to simulation errors in flat regions. We present recent improvements to the large-scale hydrological model MGB-IPH to improve its capability of simulating large river basins with extensive floodplains. We also describe the coupling of MGB-IPH to an open source GIS and a large set of developed pre-processing tools with a user-friendly interface for remote sensing data preparation and output visualization. The new features implemented are demonstrated applying the model to the whole Araguaia river basin (380,000 km 2 ). Results are compared to the previous MGB-IPH routing method, observed flow and water level data and remote sensing imagery, showing improvement in the representation of floodplain inundation dynamics. The test case also shows that the proposed model software framework amplifies possibilities of large-scale simulation of ungauged basins.

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