变化条件下官厅水库的水量平衡过程研究

秦政; 雷坤; 黄国鲜; 孙明东; 代丹; 程全国

doi:10.12153/j.issn.1674-991X.20190162

变化条件下官厅水库的水量平衡过程研究

doi: 10.12153/j.issn.1674-991X.20190162

秦政^1,,
雷坤²,
黄国鲜^2,3,
孙明东²,
代丹²,
程全国^1,*, ,

1.
沈阳大学环境科学与工程学院
2.
中国环境科学研究院
3.
青海大学三江源生态与高原农牧业国家重点实验室

详细信息

作者简介:
秦政(1993—),男,硕士研究生,主要从事水环境管理研究,vz2659@163.com

通讯作者:
程全国 E-mail: chengqg2011@163.com

中图分类号: X832
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- 被引次数: 0
出版历程
- 收稿日期: 2019-08-20
- 修回日期: 2020-07-06
- 刊出日期: 2021-01-20

Study on water balance process of Guanting Reservoir under variable conditions

1.
School of Environment Science and Engineering, Shenyang University
2.
Chinese Research Academy of Environmental Sciences
3.
State Key Laboratory of Sanjiangyuan Ecology and Plateau Agriculture and Animal Husbandry, Qinghai University

More Information

Corresponding author: CHENG Quanguo E-mail: chengqg2011@163.com

摘要

摘要: 以水量平衡方程为基础,结合官厅水库的日均进出流量、水库水位-面积-库容曲线、官厅水库站点日气象数据等,建立不同控制条件下官厅水库水量变化与平衡模型,对水库水位和坝址下渗量的验证结果表明:水位的模拟值与实测值吻合良好。利用模型计算了2002—2016年官厅水库水位、水面面积和水量变化,水库原调度方案下的流量收支(包括降水量、蒸发量、下渗量)情况及其所占比例。针对近年来引黄工程和官厅水库最小生态流量控制的新调度条件设置了不同情景,通过模型对2002—2014年水文系列条件的计算结果表明,在不调水条件下,官厅水库无法保证下游按照最小生态流量下泄,下游河道部分时段干涸;若每年3—5月从黄河万家寨调水1亿m³/a,且水库收水0.5亿m³/a条件下,则官厅水库基本可以满足最小生态流量的需求。
- 水量平衡 /
- 生态流量 /
- 外流域调水 /
- 官厅水库 /
- 永定河流域
Abstract: Based on the water balance equation, and combined with the daily average inflow and outflow data, the reservoir water level-area-volume curve and the daily meteorological data of Guanting Reservoir station, the numerical model of the water flow change and balance under different controlled conditions was developed. The detailed verification results of the reservoir water level and leakage flow from dam site showed that the simulation data of water level fit well with the measured data. The model was applied to calculate the water level, water surface area and water volume changes of Guanting Reservoir during 2002-2016. The flow revenue and expenditure (including precipitation, evaporation and leakage) and their proportions were analyzed in details under the original reservoir operation scheme. Different scenarios were furtherly set according to Yellow River Diversion Project and the new operation conditions of Guanting Reservior minimum ecological flow control method in recent years. According to the calculation of hydrological series conditions from 2002 to 2014, the related results showed that if there was no outer-basin water transfer, the outflow process from Guanting Reservoir could not satisfy the requirement of the minimum ecological flow discharge, meanwhile, part of the downstream river would dry up. If with 1.0×10⁸ m³ additional input water from Wanjiazhai Reservoir in Yellow River from March to May every year and 5×10⁷ m³water into Guanting Reservoir, the outflow of Guanting Reservoir could basically satisfy the requirement of the minimum ecological flow.
- water balance /
- ecological flow /
- outer-basin water diversion /
- Guanting Reservoir /
- Yongding River Basin

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