长江三角洲上游地区的古地理环境问题 |
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引用本文: | 李灼华. 长江三角洲上游地区的古地理环境问题[J]. 防灾减灾工程学报, 1989, 0(3): 54-59 |
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作者姓名: | 李灼华 |
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作者单位: | 江苏省地震局 |
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摘 要: | 本文论述了胥溪河作为我国最早人工运河之一的历史证据,它的开通与堰塞对上下游地理环境的变化所起的作用,以及古丹阳湖的形成、淤浅、分化和围恳的简要过程。
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关 键 词: | 长江 三角洲 古地理 环境 |
THE QUESTIONS OF THE ANCIENT GEOGRACIAL ENVIRONMENTS IN THE UPPER REACHES REGION OF YANGTZE RIVER DELTA |
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Abstract: | In this paper following questions have been discussed, i.e. the historical evidence regard the Xuxi River as one of the earliest canal in China; open and silt of the Xuxi River affected the changes of the geographical environments in the upper and lower reachers of Yangtze River delta; and the principal process of forming of the ancient Danyang Lake its silting up, the division of the lake and reclaiming land from the lake. |
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