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中文摘要：
水文干旱是自然干旱中的一种重要类型,影响自然界水循环过程中蒸发、下渗和径流三大环节,关系着水文循环和水量平衡.当前的干旱研究多集中在气象干旱、农业干旱上.鉴于水文干旱研究的重要性和目前水文干旱研究的不足,对当前水文干旱研究进行了分类评述,提出了研究中存在的问题及主要发展方向,可为水文干旱的进一步研究提供参考.
英文摘要：
Hydrological drought is an important type of the natural drought, and it involves many factors in regional water balance, affects the evaporation, infiltration and runoff three processes in water cycle in the world, and it relates to the water cycle and wa- ter balance. The current research on drought pay more attention to meteorological drought and agricultural drought, considering the importance of hydrological drought and less focus on hydrological drought, the research on hydrological drought has been classified and summarized in this paper, the problem and the main development direction on hydrological drought has been presented, which may give guidance to deep research.
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