Flood Discharges Reconstructed by Modern Flood Level Marks in Baihe County in the Upper Reaches of Hanjiang River

ZHAO Ying-jie; ZHA Xiao-chun; HUANG Chun-chang; PANG Jiang-li

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Flood Discharges Reconstructed by Modern Flood Level Marks in Baihe County in the Upper Reaches of Hanjiang River

- Flood Discharges Reconstructed by Modern Flood Level Marks in Baihe County in the Upper Reaches of Hanjiang River
- Bulletin of Soiland Water Conservation Vol. 31, Issue 5, Pages: 41-44(2012)
- 作者机构：
  
  陕西师范大学旅游与环境学院,陕西,西安,710062
- 作者简介：
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- Published：2012
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ZHAO Ying-jie, ZHA Xiao-chun, HUANG Chun-chang, et al. Flood Discharges Reconstructed by Modern Flood Level Marks in Baihe County in the Upper Reaches of Hanjiang River[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 41-44.
DOI：

ZHAO Ying-jie, ZHA Xiao-chun, HUANG Chun-chang, et al. Flood Discharges Reconstructed by Modern Flood Level Marks in Baihe County in the Upper Reaches of Hanjiang River[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 41-44. DOI：

摘要

通过对汉江上游的实地考察

分别在陕西省白河县上下游河段的夹河镇和羊尾镇房屋墙壁上发现了1983年以来的4次现代洪水痕迹的标记。结合实地走访和查阅相关资料

准确确定了这4次洪痕的对应年代

并利用比降法重建了洪峰流量。将所重建的洪峰流量与白河水文站实测洪峰流量进行对比发现

二者基本接近

在夹河镇和羊尾镇计算误差分别在0.5%～5.3%和-0.2%～5.1%。结果表明

在当前全球气候变化的影响下

对于突发性特大洪水灾害

可以借助河流两岸遗留的洪水痕迹来恢复洪峰流量

以提高水文测量精确度。进而为防洪减灾或水资源开发等工作提供有效的数据支持

同时还可以为水文数据不足河段的洪峰流量推算工作提供科学依据。

Abstract

Through the field investigation in the upper reaches of Hanjiang River

4modern flood level marks after 1983were found on housing walls in Jiahe and Yangwei Towns of Baihe County. The ages of the 4flood level marks were determined accurately through local interview and consulting data.Then their peak dischar-ges were quantitatively figured out by the hydrology principle of slope-area method.Compared with the data observed from Baihe hydrological gauge station

the errors were found to be 0.5%～5.3% for Jiahe Town and-0.2%～5.1% for Yangwei Town. The result showed that flood level mark in river channel can be used to check peak discharge for an abrupt flood disaster under the influence of global climate change. It can not only improve the accuracy of flood discharge estimation in the river section short of hydrological data

but al-so provide the scientific data for water resources development and flood hazards mitigation.

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