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Water management for Istanbul: collapse or survival
Environmental Earth Sciences ( IF 2.8 ) Pub Date : 2021-03-30 , DOI: 10.1007/s12665-021-09563-0
S. Sözen , E. Yüzer , S. Duba , H. Gökçekuş , A. O. Dogru , G. Senel , C. Goksel , D. Orhon

The study explored and discussed the water management strategy of Istanbul with more than 16 million inhabitants. Istanbul has quite limited local fresh water resources with an ultimate storage capacity of 868.7 million m3 and supplies daily approximately 2.8 million m3 of water at a magnitude of 180 L/ca. 36% of the water demand is supplied from a water source 190 km away from the city. In this study, the critical balance was evaluated accounting for all important factors, population, expansion; water demand; water quality; protection of water resources. The evaluation was specifically conducted in two major water catchment areas around Büyükçekmece and Ömerli Basins between 1994 and 2019 using remote sensing technology. The results outlined a significant increase mainly from bare land and green area to artificial surface in Büyükçekmece and Ömerli Basins with a rate of 217% and 77%, respectively. The conversions to artificial surface were mostly observed to occur in long-range protection zones in both basins. This study also interpreted the potential impacts of the proposed “Canal Project” on water resources regarding the existing and future demands of the population living in Istanbul. The quantitative and qualitative evaluations outlined the fact that the following 5 years of Istanbul will be a critical period in terms of survival and collapse of water management, and that Istanbul needs to enrich its local water resources by generating other alternatives, i.e. sea water desalination from Black Sea or Marmara Sea to compete with the increase of population.



中文翻译:

伊斯坦布尔的水管理:崩溃或生存

该研究探索并讨论了伊斯坦布尔超过1600万居民的水管理策略。伊斯坦布尔已相当有限的当地淡水资源为86870万米的最终存储容量3和日常用品约280万米3的水量为180 L / ca。需水量的36%来自距城市190公里的水源。在本研究中,评估了所有主要因素(人口,扩张)的临界平衡;需水量;水质;保护水资源。该评估特别是在1994年至2019年之间使用遥感技术在比尤克切克梅采和厄默利盆地附近的两个主要集水区进行的。结果表明,比尤克盆地和厄梅利盆地主要是从裸地和绿地到人工表层的显着增加,增长率分别为217%和77%。观察到向人工表面的转换主要发生在两个盆地的远程保护区内。这项研究还解释了拟议中的“运河项目”对水资源的潜在影响,涉及伊斯坦布尔人口的现有和未来需求。定量和定性评估概述了以下事实:伊斯坦布尔未来五年将是水资源管理的生存和崩溃的关键时期,并且伊斯坦布尔需要通过产生其他替代方案(例如,从墨西哥淡化海水)来丰富其本地水资源。黑海或马尔马拉海与人口的增加竞争。

更新日期:2021-03-30
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