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Methodology for Optimizing Water Use in Shared Management Schemes Under Conflict Conditions
Water Resources Management ( IF 4.3 ) Pub Date : 2021-07-19 , DOI: 10.1007/s11269-021-02870-y
Maria Camila Alves Ramos 1 , Tarcila Neves Generoso 1 , Fernando Falco Pruski 2 , Eber José de Andrade Pinto 3
Affiliation  

The granting of permits for the use of water resources has been legislated to ensure adequate access to water for all user sectors. However, this management instrument may not effectively perform quantitative control over the granting process, and permits for flows greater than the water availability may be granted and thus are not always representative of the actual abstractions. Therefore, the present study aimed to develop a methodology to optimize the use of water in shared management schemes under conflict conditions. The proposal is based on the initial evaluation of water availability conditions within a legal plan, in which the flows that consider all uses are associated with the annual run-of-river water availability, and, subsequently, for the segments where the demands are higher than the availability, on the analysis of water availability condition in an operational plan. At the operational level, the demands are characterized by the permitted flows that consider all uses except those corresponding to irrigation activities, which are estimated based on the flows required by the equivalent hectares. In this plan, the availability is considered on a monthly run-of-river basis and with the presence of flow-regulation reservoirs. For the application of the proposed methodology, the Rio Branco basin in western Bahia State is considered. The results indicated that management bodies require extensive knowledge of the actual abstractions corresponding to the permits granted, the potentialities of considering the minimum monthly run-of-river water availability and potential water availability of the basin under regulated-flow conditions, changes in cropping calendars and the use of deficit irrigation under conditions with conflicts over water use.



中文翻译:

冲突条件下共享管理计划中优化用水的方法

颁发使用水资源的许可证已成为立法,以确保所有用户部门都能充分获得用水。然而,这种管理工具可能无法有效地对授予过程进行定量控制,并且可能授予大于可用水量的流量,因此并不总是代表实际取水量。因此,本研究旨在开发一种方法,以在冲突条件下优化共享管理计划中的水资源使用。该提案基于对法律计划中水资源可用性条件的初步评估,其中考虑所有用途的流量与年度径流可用水量相关联,随后与需求更高的部分相关联比可用性,运行计划中可用水条件的分析。在操作层面,需求以允许流量为特征,该流量考虑所有用途,但与灌溉活动相对应的用途除外,这些用途是根据等量公顷所需的流量估算的。在这个计划中,可用性是根据每月的径流和流量调节水库的存在来考虑的。为应用所提议的方法,考虑了巴伊亚州西部的 Rio Branco 盆地。结果表明,管理机构需要广泛了解与授予的许可证相对应的实际取水量、考虑最低月径流可用水量的潜力以及在调节流量条件下流域的潜在可用水量,

更新日期:2021-07-19
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