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Detection of drought events in Greece using daily precipitation

机译:使用每日降水量检测希腊的干旱事件

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摘要

In this study a method proposed by Byun & Wilhite, which estimates drought severity and duration using daily precipitation values, is applied to data from stations at different locations in Greece. Subsequently, a series of indices is calculated to facilitate the detection of drought events at these sites. The results provide insight into the trend of drought severity in the region. In addition, the seasonal distribution of days with moderate and severe drought is examined. Finally, the Hierarchical Cluster Analysis method is used to identify sites with similar drought features.
机译:在这项研究中,由Byun&Wilhite提出的一种方法(使用每日降水值估算干旱的严重程度和持续时间)被应用于希腊不同位置的气象站的数据。随后,计算了一系列指标以促进在这些地点发现干旱事件。结果提供了对该地区干旱严重性趋势的了解。此外,还检查了中度和重度干旱天数的季节性分布。最后,使用层次聚类分析方法来识别具有相似干旱特征的地点。

著录项

  • 来源
    《Hydrology research》 |2010年第2期|p.126-133|共8页
  • 作者单位

    Hellenic National Meteorological Service, El. Venizelou 14, Hellinikon (Athens) 16777, Greece;

    Division of Applied Physics, University of Athens, Panepistimiopolis, Building Physics-5, Athens 15784, Greece;

    Department of Environmental Atmospheric Sciences, Pukyong National University, Namku, Pusan 608-737, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cluster analysis; drought duration; drought indices; effective precipitation;

    机译:聚类分析;干旱持续时间;干旱指数;有效降水;

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