| 汉丰湖水体富营养化控制水量调度方案 |
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| 引用本文： | 陈焰,胡林,黄宏,冯健.汉丰湖水体富营养化控制水量调度方案[J].水资源保护,2018,34(1):42-49. |
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| 作者姓名： | 陈焰 胡林 黄宏 冯健 |
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| 作者单位： | 上海海洋大学海洋生态与环境学院;重庆市开县水利局;中国水利水电科学研究院; |
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| 基金项目： | 国家水体污染控制与治理重大专项(2013ZX07104-004) |
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| 摘 要： | 为探究汉丰湖水量调度对库区水动力及水体富营养化的影响,基于2014年汉丰湖实测流量、水位和水质数据构建了MIKE21二维水动力和对流扩散模型,以实测流速、TN和TP浓度验证了模型的准确性,利用该模型模拟了7种调度方案下库区流速、TN和TP浓度分布情况,并对各模拟方案的运行情况进行了比较。结果表明,大流量的水量调度方式能有效提高库区水体流速,在较短时间内降低调节坝断面的TN、TP浓度,但实现整个库区营养盐浓度的降低需要保证一定的调度时间。
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| 关 键 词： | 水量调度 富营养化 调度方案 MIKE21 流速 总氮 总磷 汉丰湖 |
| 收稿时间： | 2017/4/14 0:00:00 |
Research on water scheduling schemes for water eutrophication control in Hanfeng Lake |
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| CHEN Yan,HU Lin,HUANG Hong and FENG Jian.Research on water scheduling schemes for water eutrophication control in Hanfeng Lake[J].Water Resources Protection,2018,34(1):42-49. |
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| Authors: | CHEN Yan HU Lin HUANG Hong and FENG Jian |
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| Affiliation: | College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China,Kai County Water Conservancy Bureau, Chongqing 405400, China,College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China and China Institute of Water Resources and Hydropower Research, Beijing 100038, China) |
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| Abstract: | In order to study the influence of water dispatching of Hanfeng Lake regulating dam on the hydrodynamic and water eutrophication in reservoir area, MIKE21 two-dimensional hydrodynamic and convective diffusion model were constructed based on the data of actual measured flow, water level and water quality of Hanfeng Lake in 2014, and the accuracy of the model was verified by the measured data of flow velocity, concentration of TN and TP. In addition, the distribution of flow velocity, concentration of TN and TP in the 7 different schemes were simulated by this model. The operation conditions of all schemes were compared. The results showed that the large flow of water scheduling mode can effectively improve the water flow velocity in the reservoir area, and reduce the concentration of TN and TP in the regulating dam section in a short time. However, the decrease of nutrient concentration in the whole reservoir requires a certain scheduling time. |
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| Keywords: | water scheduling eutrophication scheduling scheme MIKE21 flow velocity TN TP Hanfeng Lake |
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