System for analysis of water abstraction and effluent dilution in piracicaba river basin, Minas Gerais State, Brazil

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Abstract

The granting of water use rights is one of the main management instruments for the quantitative and qualitative control of water resources. For its implementation, it is necessary, among other actions, to develop tools for integrated analysis of the quantitative and qualitative aspects of water. Thus, the objective of the study was to create a system for the analysis of water abstraction and effluent dilution in the Piracicaba river basin in Minas Gerais. Initially, the survey and preparation of the geographic, hydrological and administrative database were carried out. The system was developed using open-source technologies, with a three-layer structure: data, business, and presentation. According to the results, it was verified that the most critical sections regarding the grantable flow available are located at the mouth and spring of the Piracicaba river. The analysis of the data allowed us to conclude that the system consistently determines the availability of water throughout the hydrography, the dilution flow and discharge unavailability, and identifies stretches of the watercourses with critical water availability, providing support for analyses of the quali-quantitative granting of water resources in the basin.

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Lisboa, L., Silva, D. D. da, Moreira, M. C., Silva, A. de J., & Uliana, E. M. (2019). System for analysis of water abstraction and effluent dilution in piracicaba river basin, Minas Gerais State, Brazil. Engenharia Sanitaria e Ambiental, 24(5), 929–937. https://doi.org/10.1590/s1413-41522019183919

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