| At present,urban water security has become the hotspot of international hydrology,and is the important content of constructing harmonious society at home. Based on the circulation economic theory,sustainable development theory and entropy theory,Ganzhou city's water security problems are studied,and the achievements are made below:(1)On the water security of domestic and foreign research results are reviewed, including the theory and methods of water secruity,water secruity index system, and the evaluation of water secruity,points out the research trends of water security;(2)Based on fully understand the theoretical foundation of urban water security, in terms of the middle-scale urban water security problem for the status quo about GanZhou city,analyzes it's forming mechanism and gets: the treatment of speed and quality problem;the great proportion of the extensive enterprises and heavy pollution; the serious area-contamination in the rural areas; the disorderly development of the fruit and mining industry and serious soil erosion; the chaotic exploitation of sand deeply affecting urban water; the hysteretic disposal of urban sewage and solid waste; inadequate environment enforcement and the phenomenon of"some low cost on Corporate illegal manner"and so on.(3) Applying the foundation theories of urban water security,using the method that qualitative and quantitative methods,According to Ganzhou relationship between urban development and water security,making the best of water potential around Ganzhou city,urban water security is constructed,from water quantity,water quality,engineering technique,industry development,ecological environment, mechanism construction,operating body and so on,through which can both ensure water security and sustaintal development of urban-rural's social economic ecosystem. It has been found that the water quality is good,the pollution can be controlled,the water is abundant, the project is feasible, the operation has body and the emergency is guaranteed. |
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