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Based on hydrodynamic, water quality, and aquatic ecology models, the ecological flow requirements needed to meet water quality standards, suppress algal blooms, and support fish spawning in the middle and lower Hanjiang River were quantified, and temporally and spatially coupled ecological flow regimes by period, type, and region were proposed. The spatiotemporal coupling indicated that ecological flows at the Huangjiagang, Xiangyang, Huangzhuang, Shayang, and Xiantao sections ranged from 330~904m3/s, 366~1135m3/s, 514~1160m3/s, 632~1236m3/s, and 486~1013m3/s, respectively. From February to April of the subsequent year, ecological flow was governed by algal bloom control requirements; from June to September, it was driven by water quality compliance; and from October to November, it was dictated by fish spawning needs. During the dry season, ecological flow in the midstream region was determined by algal bloom prevention and control, whereas in the downstream section it was determined by fish spawning requirements. During the flood season, ecological flow across the entire middle and lower Hanjiang River was governed by the attainment of water quality standards. This work provided a new perspective for the systematic study of ecological flow in rivers and offered scientific evidence and a theoretical foundation for river ecosystem improvement and related engineering applications.

, authors=Xing-yuan SHE1, 2, Shu-feng HE2, *, Yu-qing LIN2, Qin-yuan LI2, Kang-le MO2, Qiu-wen CHEN2, authorsList=Xing-yuan SHE, Shu-feng HE, Yu-qing LIN, Qin-yuan LI, Kang-le MO, Qiu-wen CHEN, authorCompany=null, correspAuthors=Shu-feng HE, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314917808220233813, articleId=1314917807679168595, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=汉江中下游多目标生态流量时空耦合计算, columnId=1234106388268503686, journalTitle=中国环境科学, columnName=环境生态, runingTitle=null, highlight=null, articleAbstract=

基于水动力、水质、水生态模型,计算汉江中下游水质达标、水华防控和鱼类产卵需求3个目标的生态流量,并提出分时段、分类型、分区域的时间、空间耦合生态流量成果.时空耦合结果表明,黄家港、襄阳、皇庄、沙洋、仙桃5个断面生态流量分别为330~904m3/s、366~1135m3/s、514~1160m3/s、632~1236m3/s、486~1013m3/s,2~4月生态流量取决于水华防控,6~9月生态流量取决于水质达标,10~11月生态流量取决于鱼类产卵需求,枯水期中游区域生态流量取决于水华防控,下游段生态流量取决于鱼类产卵需求,丰水期汉江中下游全段生态流量取决于水质达标.本文为河流生态流量系统性研究提供了一种新的思路,为河流水生态情况改善提供了科学依据和理论基础.

, authors=佘星源1, 2, 何术锋2, *, 林育青2, 李沁园2, 莫康乐2, 陈求稳2, authorsList=佘星源, 何术锋, 林育青, 李沁园, 莫康乐, 陈求稳, authorCompany=null, correspAuthors=何术锋, authorNote=

佘星源(2001-),男,安徽芜湖人,西安理工大学硕士研究生,主要从事水力学及河流动力学方面研究.发表论文1篇..

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佘星源(2001-),男,安徽芜湖人,西安理工大学硕士研究生,主要从事水力学及河流动力学方面研究.发表论文1篇..

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佘星源(2001-),男,安徽芜湖人,西安理工大学硕士研究生,主要从事水力学及河流动力学方面研究.发表论文1篇..

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汉江中下游多目标生态流量时空耦合计算
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佘星源 1, 2 , 何术锋 2, * , 林育青 2 , 李沁园 2 , 莫康乐 2 , 陈求稳 2
中国环境科学 | 环境生态 2025,45(9): 5093-5103
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中国环境科学 |环境生态 2025 , 45 (9) : 5093 -5103
汉江中下游多目标生态流量时空耦合计算
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佘星源(2001-),男,安徽芜湖人,西安理工大学硕士研究生,主要从事水力学及河流动力学方面研究.发表论文1篇..

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佘星源(2001-),男,安徽芜湖人,西安理工大学硕士研究生,主要从事水力学及河流动力学方面研究.发表论文1篇..

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佘星源1, 2 , 何术锋2, * , 林育青2, 李沁园2, 莫康乐2, 陈求稳2
作者信息
  • 1.西安理工大学,西北旱区生态水利国家重点实验室,陕西 西安 710048
  • 2.南京水利科学研究院生态环境研究所,江苏 南京 210029
通讯作者:
* 责任作者,工程师,
作者简介:

佘星源(2001-),男,安徽芜湖人,西安理工大学硕士研究生,主要从事水力学及河流动力学方面研究.发表论文1篇..

Spatiotemporal coupling calculation of multi-objective ecological flow in the middle and lower Hanjiang River
Xing-yuan SHE1, 2 , Shu-feng HE2, * , Yu-qing LIN2, Qin-yuan LI2, Kang-le MO2, Qiu-wen CHEN2
Affiliations
  • 1.State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
  • 2.Eco-environmental Research Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China
出版时间: 2025-09-20
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基于水动力、水质、水生态模型,计算汉江中下游水质达标、水华防控和鱼类产卵需求3个目标的生态流量,并提出分时段、分类型、分区域的时间、空间耦合生态流量成果.时空耦合结果表明,黄家港、襄阳、皇庄、沙洋、仙桃5个断面生态流量分别为330~904m3/s、366~1135m3/s、514~1160m3/s、632~1236m3/s、486~1013m3/s,2~4月生态流量取决于水华防控,6~9月生态流量取决于水质达标,10~11月生态流量取决于鱼类产卵需求,枯水期中游区域生态流量取决于水华防控,下游段生态流量取决于鱼类产卵需求,丰水期汉江中下游全段生态流量取决于水质达标.本文为河流生态流量系统性研究提供了一种新的思路,为河流水生态情况改善提供了科学依据和理论基础.

汉江中下游  /  水质  /  水华  /  鱼类产卵多目标生态流量

Based on hydrodynamic, water quality, and aquatic ecology models, the ecological flow requirements needed to meet water quality standards, suppress algal blooms, and support fish spawning in the middle and lower Hanjiang River were quantified, and temporally and spatially coupled ecological flow regimes by period, type, and region were proposed. The spatiotemporal coupling indicated that ecological flows at the Huangjiagang, Xiangyang, Huangzhuang, Shayang, and Xiantao sections ranged from 330~904m3/s, 366~1135m3/s, 514~1160m3/s, 632~1236m3/s, and 486~1013m3/s, respectively. From February to April of the subsequent year, ecological flow was governed by algal bloom control requirements; from June to September, it was driven by water quality compliance; and from October to November, it was dictated by fish spawning needs. During the dry season, ecological flow in the midstream region was determined by algal bloom prevention and control, whereas in the downstream section it was determined by fish spawning requirements. During the flood season, ecological flow across the entire middle and lower Hanjiang River was governed by the attainment of water quality standards. This work provided a new perspective for the systematic study of ecological flow in rivers and offered scientific evidence and a theoretical foundation for river ecosystem improvement and related engineering applications.

middle and lower Hanjiang River  /  water quality  /  algal bloom  /  fish spawning  /  multi-objective ecological flow
佘星源, 何术锋, 林育青, 李沁园, 莫康乐, 陈求稳. 汉江中下游多目标生态流量时空耦合计算. 中国环境科学, 2025 , 45 (9) : 5093 -5103 .
Xing-yuan SHE, Shu-feng HE, Yu-qing LIN, Qin-yuan LI, Kang-le MO, Qiu-wen CHEN. Spatiotemporal coupling calculation of multi-objective ecological flow in the middle and lower Hanjiang River[J]. China Environmental Science, 2025 , 45 (9) : 5093 -5103 .
  • 国家重点研发计划项目(2022YFC3203900; 2023YFC3207803)
  • 国家自然科学基金青年基金资助项目(52400223)
  • 国家自然科学基金资助面上项目(52379070)
  • 长江水科学研究联合基金资助项目(U2240223)
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  • 接收时间:2025-02-17
  • 首发时间:2026-10-08
  • 出版时间:2025-09-20
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  • 收稿日期:2025-02-17
基金
国家重点研发计划项目(2022YFC3203900; 2023YFC3207803)
国家自然科学基金青年基金资助项目(52400223)
国家自然科学基金资助面上项目(52379070)
长江水科学研究联合基金资助项目(U2240223)
作者信息
    1.西安理工大学,西北旱区生态水利国家重点实验室,陕西 西安 710048
    2.南京水利科学研究院生态环境研究所,江苏 南京 210029

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* 责任作者,工程师,
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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