Б. О. Джолдошева из Института автоматики и информационных технологий нан кр, г. Бишкек; «Cинтез кибернетических автоматических систем с использованием эталонной модели»
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Water Control ProblemsPeriodic changes of water levels in the river, both by natural climate and artificial causes (e.g., manipulation of channels of the river and water detention in artificial water basins), repeats the phenomenon of overflowing and droughty lakes system that negatively influences conditions of the major places of dwelling natatorial and water birds. Artificial dams were built to maintain optimum water level in the lake, however, due to some technical and financial limitation, quality was not prioritized and the dams often break. Due to this situation, lakes in KSNR experience difficult conditions such as significant drop of the water level in reservoirs that suffocated fishes, and floods that deteriorated colonial birds’ nests. Deteriorations of the reserved fauna were mainly caused by high tide on springs. During winter, water in the lake basins upstream (e.g., lake Samarkand) froze and gained volume. At the end of the winter, the ice melted and produced higher amount of water. To avoid overflowing, people drained the lake by opening dams to the rivers. This action brought negative influence for the river and lakes at the downstream. Overflowed downstream lakes deteriorated thousands of endangered birds’ nests. It is necessary to apply modern engineering system to regulate water levels on the lakes in KSNR. It was noticed that downstream flows during the winter led to significant reduction of oxygen in the water, which deteriorates the fisheries. Another problem is the preservation of water mineralization in the lakes. Various water biotas essentially depend on the level of water mineralization. Stable and consistent water mineralization probably can be supported by periodic exchange of water in the lakes. Adjustable water waste constructions are required in this situation. Meanwhile, the question about preservation of water quality is the general problem on all river basins and can be solved by working out of complex measures on all basins. жүктеу/скачать 28,25 Mb. Достарыңызбен бөлісу:
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