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首页> 外文期刊>Journal of water resource and protection >Impact of Meteorological Drought on Streamflows in the Lobo River Catchment at Nibehibe, Cote d'Ivoire
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Impact of Meteorological Drought on Streamflows in the Lobo River Catchment at Nibehibe, Cote d'Ivoire

机译：气象干旱在北伊厄贝德河北河流域流动流出的影响，Cote d'Ivoire

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摘要

The management of water resources in watersheds has become increasingly difficult in recent years due to the frequency and intensity of drought sequences. The Lobo River catchment, like most tropical regions, has experienced alternating wet and dry periods. These drought periods have a significant impact on the availability of water resources in the basin. The objective of this study is to analyse the impact of meteorological drought on flows in the Lobo River catchment. Therefore, using the Normalized Precipitation and Evapotranspiration Index (SPEI) and the Drought Flow Index (SDI), the characteristics of droughts were studied. The results of this study show that meteorological droughts were more frequent than hydrological droughts in the Lobo River watershed. However, the hydrological drought was longer and more intense than the meteorological drought. The greater relationship between meteorological and hydro-logical drought was observed at the Daloa and Vavoua station (0.43 ＜ r＜ 0.50) compared to the Zuenoula station (r＜ 0.5). In addition, there was a resumption of precipitation and runoff between 2007 and 2013 in the basin. The study of these climatic trends would be very useful in the choice of management and adaptation policies for water resources management.
机译：由于干旱序列的频率和强度，近年来，流域水资源的管理变得越来越困难。 Lobo River集水区，如大多数热带地区，都经历过交替的潮湿和干燥的时期。这些干旱期对盆地水资源的可用性产生了重大影响。本研究的目的是分析气象干旱对Lobo河流域流动的影响。因此，使用归一化沉淀和蒸发蒸腾指数（SPEI）和干旱流动指数（SDI），研究了干旱的特征。该研究的结果表明，气象干旱比Lobo河流域中的水文干旱更频繁。然而，水文干旱比气象干旱更长，更强烈。与Zuenoula站相比此外，在盆地2007年至2013年之间恢复了降水和径流。对这些气候趋势的研究在选择水资源管理的管理和适应政策方面非常有用。

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  • 来源
    《Journal of water resource and protection》 |2020年第6期|495-511|共17页
  • 作者

    Berenger Koffi; Zile Alex Kouadio; Kouakou Herve Kouassi; Affoue Berthe Yao; Martin Sanchez; Kouakou Lazare Kouassi;

  • 作者单位

    Laboratory of Science and Technology of Environment Jean Lorougnon Guede University Daloa Cote d'Ivoire Laboratory of Planetology and Geodynamics (LPG) University of Nantes Faculty of Science and Technology Nantes France;

    Laboratory of Science and Technology of Environment Jean Lorougnon Guede University Daloa Cote d'Ivoire;

    Laboratory of Science and Technology of Environment Jean Lorougnon Guede University Daloa Cote d'Ivoire;

    Laboratory of Science and Technology of Environment Jean Lorougnon Guede University Daloa Cote d'Ivoire;

    Laboratory of Planetology and Geodynamics (LPG) University of Nantes Faculty of Science and Technology Nantes France;

    Laboratory of Science and Technology of Environment Jean Lorougnon Guede University Daloa Cote d'Ivoire;

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  • 正文语种 eng
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  • 关键词

    Rainfall; Normalized Index; Meteorological Drought; Hydrological Drought; Lobo River;

    机译：雨量;标准化指数;气象干旱;水文干旱;Lobo河;

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