赤水“桥上桥”与生态环境变迁
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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。
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.
引文
①王景明:《华县大地震地面破裂带》,《地震学报》, 1983年第4期,第23 -34页。
    ②王冰:《祸起三门峡》, 《华商报》, 2004年3月9 日,第33版。
    ③高潮:《华州赤水桥上桥》,《光明日报》, 2001年 12月4日,第4版。
    ①汪以诚:《渭南县志》,乾隆四十三年版。
    ②蒋湘南:《同州府志》,咸丰二年版。
    ③吴炳南:《三续华州志·山川志》,光绪八年版。
    ④顾熠山:《重修华县志》, 1949年版。
    ①吴炳南:《三续华州志·遇仙桥》,光绪八年版。
    ②顾熠山:《重修华县志》, 1949年版。
    ③吴炳南:《三续华州志·遇仙桥》, (清)光绪八年 版。

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