城陵矶综合枢纽对洞庭湖区水位的抬高作用
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摘要
近年来洞庭湖季节性干旱问题日益突出。为缓解洞庭湖湖区旱情,湖南省和湖北省政府提出了建设城陵矶综合枢纽工程的设想。采用中国水利水电科学研究院的"长江中下游一江两湖水动力模型"计算了该枢纽不同调度方案下洞庭湖湖区水位的抬升变化。结果表明:城陵矶水位每抬高1 m、鹿角站水位雍高约0.93 m、营田站水位雍高约0.90m。城陵矶水位由25.5 m抬高至26 m、26 m抬高至26.5 m、26.5 m抬高至27 m、27 m抬高至27.5 m,相应杨柳潭站水位分别抬高0.17、0.22、0.3和0.4 m,小河咀站水位分别抬高0.06、0.09、0.12和0.20 m。枢纽工程能够在一定程度上解决洞庭湖枯水期缺水问题,水位抬升对湖泊水质和生态系统演化可能造成一定程度的影响。
In recent years,the seasonal drought problem in Dongting Lake has become increasingly prominent. In order to alleviate the drought in Dongting Lake,the Hunan Provincial Government and the Hubei Provincial Government have proposed the construction of the Chenglingji Integrated Hub Project. In this paper,the"Water and Power Model of the One River and Two Lakes in the Middle and Lower Reaches of the Yangtze River"of the China Institute of Water Resources and Hydropower Research is used to simulate and calculate the water level rise and change in the Dongting Lake area under different dispatching schemes. The results show that the water level of the Chenglingji water level is 1 m and the water level of the antler station is high. The height is about 0.93 m and the water level at Yingtian Station is about0.90 m. The water level of Chenglingji is raised from 25.5 to 26 m,26 is raised to 26.5,26.5 m is raised to 27 m,and 27 m is raised to 27.5 m. The corresponding water level of Yangliutan Station has increased by 0.17,0.22,0.3 and 0.4 m respectively. The water level of Xiaohezui Station has raised by 0.06,0.09,0.12 and 0.20 m respectively. The hub project can solve the problem of water shortage in Dongting Lake in the dry season. However,the water level rise may have a certain degree of impact on lake water quality and ecosystem evolution.
In recent years,the seasonal drought problem in Dongting Lake has become increasingly prominent. In order to alleviate the drought in Dongting Lake,the Hunan Provincial Government and the Hubei Provincial Government have proposed the construction of the Chenglingji Integrated Hub Project. In this paper,the"Water and Power Model of the One River and Two Lakes in the Middle and Lower Reaches of the Yangtze River"of the China Institute of Water Resources and Hydropower Research is used to simulate and calculate the water level rise and change in the Dongting Lake area under different dispatching schemes. The results show that the water level of the Chenglingji water level is 1 m and the water level of the antler station is high. The height is about 0.93 m and the water level at Yingtian Station is about0.90 m. The water level of Chenglingji is raised from 25.5 to 26 m,26 is raised to 26.5,26.5 m is raised to 27 m,and 27 m is raised to 27.5 m. The corresponding water level of Yangliutan Station has increased by 0.17,0.22,0.3 and 0.4 m respectively. The water level of Xiaohezui Station has raised by 0.06,0.09,0.12 and 0.20 m respectively. The hub project can solve the problem of water shortage in Dongting Lake in the dry season. However,the water level rise may have a certain degree of impact on lake water quality and ecosystem evolution.
引文
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[21]杜彦良,周怀东,毛战坡,等.鄱阳湖水利枢纽工程对水质环境影响研究[J].中国水利水电科学研究院学报,2011(4):249-256.
[2]卢承志.洞庭湖综合治理规划的建议[J].人民长江,1995(7):40-46.
[3]周慧,毛德华,刘培亮.三峡运行对东洞庭湖水位影响分析[J].海洋湖沼通报,2014(4):180-186.
[4]胡光伟,毛德华,李正最,等.三峡工程建设对洞庭湖的影响研究综述[J].自然灾害学报,2013,22(5):44-52.
[5]刘培亮,毛德华,周慧,等. 1990-2013年湖南四水入洞庭湖汛期径流量的变化规律[J].水资源保护,2015,31(4):52-61.
[6]黄维,王为东.三峡工程运行后对洞庭湖湿地的影响[J].生态学报,2016,36(20):6 345-6 352.
[7]赖旭.三峡工程影响下洞庭湖湿地水位与植被覆盖变化研究[D].长沙:湖南大学,2014.
[8]杨利.三峡工程对洞庭湖区湿地景观格局及生态健康的影响研究[D].长沙:湖南师范大学,2013.
[9]田泽斌,王丽婧,郑丙辉,等.城陵矶综合枢纽工程建设对洞庭湖水动力影响模拟研究[J].环境科学学报,2016,36(5):1 883-1 890.
[10]戴雪,何征,万荣荣,等.近35a长江中游大型通江湖泊季节性水情变化规律研究[J].长江流域资源与环境,2017,26(1):118-125.
[11]赵军凯,李九发,戴志军,等.枯水年长江中下游江湖水交换作用分析[J].自然资源学报,2011,26(9):1 613-1 627.
[12]仲志余,余启辉.洞庭湖和鄱阳湖水量优化调控工程研究[J].人民长江,2015,46(19):52-57.
[13]钮新强.洞庭湖综合治理方案探讨[J].水力发电学报,2016,35(1):1-7.
[14]周北达,卢承志.城陵矶建设综合枢纽工程可行性探讨[J].人民长江,2009,40(14):20-21.
[15]胡春宏,阮本清,张双虎,等.长江与洞庭湖、鄱阳湖关系演变及其调控[M].北京:科学出版社,2017.
[16]向锋,施勇,金秋,等.洞庭湖枢纽调度方案比对分析[J].水利水运工程学报,2018(2):19-25.
[17]胡春宏.三峡水库和下游河道泥沙模拟与调控技术研究[J].水利水电技术,2018,49(1):1-6.
[18]徐卫红,张双虎,蒋云钟,等.松滋河疏浚引水对洞庭湖区水资源开发利用的影响[J].水力发电学报,2013,32(3):150-155.
[19]假冬冬,邵学军,张幸农,等.水沙调节后荆江典型河道横向调整过程的响应———Ⅰ.二、三维耦合模型的建立[J].水科学进展,2013,24(1):82-87.
[20]余启辉,要威.城陵矶综合枢纽防洪、排涝影响及对策研究[R].武汉:长江勘测规划设计研究有限责任公司,2015.
[21]杜彦良,周怀东,毛战坡,等.鄱阳湖水利枢纽工程对水质环境影响研究[J].中国水利水电科学研究院学报,2011(4):249-256.