下岸水库对永安溪水文情势的影响分析
作者:
作者单位:

(1.厦门理工学院环境科学与工程学院,福建 厦门 361024;2.厦门市水资源利用与保护重点实验室,福建 厦门 361024;3.台州市黄岩区永宁江事务中心,浙江 台州 318020)

作者简介:

沈凯琦(1997—),女,硕士研究生,主要从事水文水资源研究。E-mail:shenkaiqi@stu.xmut.edu.cn 通信作者:赵超(1977—),女,教授,博士,主要从事水文水资源研究。E-mail:zhaochao@xmut.edu.cn

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中图分类号:

TV121

基金项目:

福建省自然科学基金(2022J011232);厦门市科技计划(3502Z20203063);厦门理工学院科研攀登计划(XPDKT19028);厦门理工学院研究生科技创新计划(YKJCX2020092)


Influence analysis of Xia'an Reservoir on hydrological regime of the Yong'an River
Author:
Affiliation:

(1.School of Environmental Science and Engineering, Xiamen University of Technology, Xiamen 361024, China;2.The Key Laboratory of Water Resources Utilization and Protection of Xiamen, Xiamen 361024, China;3.Taizhou Huangyan District Yongning River Affairs Center, Taizhou 318020, China)

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    摘要:

    为了定量评估永安溪下岸水库对下游水文情势的影响,利用永安溪柏枝岙水文站1980—2020年的径流序列,采用不均匀系数、完全调节系数和集中度分析水库运行前后永安溪径流年内分配变化,并利用RVA法评估水文整体改变度。结果表明:下岸水库的蓄丰补枯作用明显,径流年内分配趋于均匀化;在取得防洪效益的同时,水库的运行也对永安溪水文情势产生了中度改变,改变度达42.82%,对流域内水生生态系统的健康形成潜在影响。

    Abstract:

    In order to quantitatively evaluate the influence of Xia'an Reservoir on the downstream hydrological regime, the runoff series of Baizhi'ao hydrological station in the Yong'an River from 1980 to 2020 were used to analyze the annual distribution change of runoff of the Yong'an River before and after the operation of the reservoir by using the nonuniformity coefficient, complete regulation coefficient and concentration degree, and the RVA method was used to evaluate the overall change degree of hydrology. The results show that the Xia'an Reservoir has an obvious effect of storing abundant water and replenishing dry water, and the annual distribution of runoff tends to be uniform. While presenting flood control benefits, the operation of the reservoir also has a moderate change in the hydrological regime of the Yong'an River, with a change degree of 42.82%, which has a potential impact on the health of the aquatic ecosystem in the basin.

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沈凯琦,赵超,张翔宇,等.下岸水库对永安溪水文情势的影响分析[J].水资源保护,2022,38(5):174-180.(SHEN Kaiqi, ZHAO Chao, ZHANG Xiangyu, et al. Influence analysis of Xia'an Reservoir on hydrological regime of the Yong'an River[J]. Water Resources Protection,2022,38(5):174-180.(in Chinese))

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  • 收稿日期:2021-08-03
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  • 在线发布日期: 2022-09-20
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