渭河河流沉积物对气候变化的响应分析Responding of the Floodplain Materials to the Climate Change
刘小丰,潘保田,高红山,王勇,张慧,王均平
摘要(Abstract)：
河流对气候变化反映敏感,气候信息能够在河流沉积物中保存下来,同时能够记录河流的古水文信息。L9时期渭河共沉积了5.3m水成物质。粒度曲线表明其经历了四次明显的暖湿干冷气候波动,与黄土高原其他地区气候记录可以进行良好的对比,粗颗粒含量显示渭河经历了四次较大的古洪水事件。
关键词(KeyWords)： 渭河;河流沉积物;气候变化;古洪水事件
基金项目(Foundation): 国家自然科学基金(40471016,40401007);; 教育部重点项目(20030730017)资助
作者(Author): 刘小丰,潘保田,高红山,王勇,张慧,王均平
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