雅鲁藏布江加查峡谷段古洪水平流沉积特征
首发时间:2009-03-30
摘要:根据雅鲁藏布江加查峡谷段古洪水平流沉积物的野外调查与室内分析,结合内陆大江大河古洪水研究经验所确立起来的分析判断指标体系,确定了雅鲁藏布江的古洪水平流沉积特征,尤其是粒度指标的相关特点。通过分析比较,进一步完善了野外勘查和识别及室内分析判定古洪水平流沉积的指标体系,对古洪水研究的推广应用具有较高的实用价值。
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Characteristics of slack-water deposits of Paleoflood in Jiacha Gorge at the Middle Reach of Yalu Tsangpo River
Abstract:This paper is aimed to study the characteristics of slack-water deposits in Jiacha Gorge which is located at the middle reach of Yalu Tsangpo River. During field investigations and laboratory analyses, the observation was focused more on the sediment granularity. The index system employed for all analyses and judgments taken was established on the experiments of great rivers inland. As result, further improvement of the index system is finally reached and can be very useful for the extension and application of paleoflood research.
Keywords: Paleoflood Slack-water deposits Granularity Characteristics Jiacha Gorge
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No.3087945362012383****
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