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Second, for reducing flood and immigration, Brazil in hydropower development, tend to the original level of power station, now divided into secondary or multistage development, in order to reduce the reservoir flood and move people, try to protect the environment. In the case of shortage of funds in the past, we have used high dam to develop hydropower station to save investment. Money is not a problem at home, but immigration is a big problem, making up a big part of the investment(Sahin, 2016). This problem can be solved effectively by using multi-stage development. It is necessary to continue to track inspection measures to perform as a result, in order to make the necessary adjustments, reduce the deviation in the process of execution, promote into the federal, state, and local level effective integration between the various stakeholders(Goharian, 2016).
Third, considering the amazon river basin in Brazil, the importance of the ecological environment is of crucial and given the development of hydropower station on river ecological impact is not fully known, although amazon river trunk stream containing the huge hydropower resources, but Brazil by law that stipulates the amazon river hydropower development is forbidden, in order to protect the amazon river in the domain of the original ecology, left for future generation after a river teeming with life(Sahin, 2016). It should consider the possibility of establishing a water market and a water trading system, as some other countries have already done(Nickson, 2016). These measures can improve the efficiency of water use by giving priority to water use for high-value water use. By Brazilian law, the implementation of water resources management model with integrated water resources management of international trends, to follow the principle of decentralized management, including hydrological basin level through the river basin commission will implement a wide range of public participation and the water resources, as a kind of economic value of the property value assessment.
4. conclusions and recommendations
Effective integrated water management is a challenge in many countries. For Brazil, a country with an uneven distribution of water and rapid economic growth, it is a huge challenge. Therefore, more efforts need to be made to fully implement the water resources management model formulated by the state. Based on the analysis of Brazil's water management model and the patterns adopted by other countries, including developed and developing countries, the Brazilian model should be improved in the following aspect(Nickson, 2016).
To strengthen coordination between the federal government and the state government, improve efficiency and strengthen inter-governmental integration. in the areas with serious water quality problems, the water quality control mechanism should be implemented in the water body classification, and the water body should be classified according to the water body. Since there is no special fund for comprehensive management of water resources, some water bills can be allocated for comprehensive management of water resources. to accelerate the comprehensive management of water resources in less authorized areas, focusing on prevention and management. Since there is no water resources comprehensive management of special funds, considering that Brazil's fastest-growing major hydropower is that some areas, from the power company compensation to the Brazilian government take out part of the funds are used for water resources management in these areas(Goharian, 2016).
5. references
Goharian, E., Burian, S. J., Bardsley, T., & Strong, C. (2016). Incorporating potential severity into vulnerability assessment of water supply systems under climate change conditions. Journal of Water Resources Planning & Management, 142(2), 04015051.
Nickson, A. (2016). The public-private mix in urban water supply. International Review of Administrative Sciences, 63(2), 165-186.
Sahin, O., Siems, R. S., Stewart, R. A., & Porter, M. G. (2016). Paradigm shift to enhanced water supply planning through augmented grids, scarcity pricing and adaptive factory water. Environmental Modelling & Software, 75(C), 348-361.
Samora, I., Franca, M. J., Schleiss, A. J., & Ramos, H. M. (2016). Simulated annealing in optimization of energy production in a water supply network. Water Resources Management, 30(4), 1533-1547.
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