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SM ISO690:2012 BALAN, Ioan, TOPOLNICEANU, Alexandru, BALAN, Isabela Elena, MARCOIE, Nicolae, GIURMA-HANDLEY, Catrinel-Raluca, CRENGANIȘ, Loredana. Aspects regarding flood mitigation in the non-permanent accumulation Ciurea on the River Nicolina, Iasi, Romania. In: Present Environment and Sustainable Development, Ed. 17, 3 iunie 2022, Iași. Iași: 2022, Ediția 17, pp. 55-56. |
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Present Environment and Sustainable Development Ediția 17, 2022 |
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Simpozionul "Present Environment and Sustainable Development" 17, Iași, Romania, 3 iunie 2022 | |
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Pag. 55-56 | |
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The non - permanent accumulations are formed by dry dams, and their only purpose is to mitigate the floods and to protect the downstream areas against inundations. The dam is designed to create a temporary retention of a significant volume of water, to reduce the flow peak on the river, to increase the total time of the flood, so that the negative effects of the flow are minimized. The non-permanent accumulation Ciurea on the River Nicolina (Iasi county, Romania) has proven usefull several times, since the time it was built. Along with accumulating an important part of the flood volume, the bottom outlet of the dam had a positive effect, because it has transited downstream a reduced flow, that fall within the maximum transit capacity of the river channel. The flows that occurred on the River Nicolina, were smaller than the theoretical design flows, so the surface highwaters spillway wasn't put to function. This paper presents a review of the characteristics of the design floods and the significant events of this non-permanent accumulation. |
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