| 赤水“桥上桥”与生态环境变迁 |
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| 引用本文： | 苏惠敏,贺明静,张学宝. 赤水“桥上桥”与生态环境变迁[J]. 中国历史地理论丛, 2005, 20(2): 156-159 |
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| 作者姓名： | 苏惠敏 贺明静 张学宝 |
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| 作者单位： | 陕西师范大学旅游与环境学院,陕西,西安,710062 |
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| 基金项目： | 国家社科基金(04BZS022)，教育部重点项目(02069) |
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| 摘 要： | 本文考证了渭南、华县之间的赤水河“桥上桥”的建造年代及形成原因。通过对有关历史资料深入研究,确证下桥始建于清初(1667年),上桥则建于清朝中叶(1832年)。赤水河中上游的过度垦殖和植被破坏带来的生态环境恶化造成了下游河床泥沙淤积,形成了地面悬河,原赤水桥为泥沙淹塞,失去功能,故不得不在桥上建桥。桥上桥的形成是当地生态环境变化的结果和标志。
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| 关 键 词： | 赤水河 桥上桥 坡降 悬河 生态环境 |
| 文章编号： | 1001-5205(2005)02-0156-04 |
| 修稿时间： | 2004-06-02 |
The Overlapping Bridges on the Chishui River and Ecological Environment Change |
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| Su Huimin,He mingjing,Zhang Xuebao. The Overlapping Bridges on the Chishui River and Ecological Environment Change[J]. Collections of Essays On Chinese Historical Geography, 2005, 20(2): 156-159 |
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| Authors: | Su Huimin He mingjing Zhang Xuebao |
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| Abstract: | An ancient stone bridge made of two overlapping bridges lies in the Chishui river between WeiNan and Hua county in Shaanxi province.There are many stories and legends about the time and the reason that the bridge was built .Through literature studies, a conclusion can be drawn: the lower bridge was built in 1667AD, and the upper one was built in 1832AD.The soil erosion and deterioration of ecological environment caused by over-cultivation and destroyed vegetation, the rising riverbed in the middle-upper reaches due to sand and silt infilling are the main reasons of the building of overlapping bridges.The overlapping bridges are the record of the deteriorating ecological environment in the Weihe river drainage basin. |
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| Keywords: | Chishui river overlapping bridges slope ratio hanging river ecological environment |
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