Article(id=1223196814485078269, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223196803663778281, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222135, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665676800000, receivedDateStr=2022-10-14, revisedDate=1667577600000, revisedDateStr=2022-11-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1769562446470, onlineDateStr=2026-01-28, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769562446470, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769562446470, creator=13701087609, updateTime=1769562446470, updator=13701087609, issue=Issue{id=1223196803663778281, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='8', pageStart='1', pageEnd='222', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769562443888, creator=13701087609, updateTime=1769563793740, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223202465391166440, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223196803663778281, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223202465391166441, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223196803663778281, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=101, endPage=104, ext={EN=ArticleExt(id=1223196816200548672, articleId=1223196814485078269, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Response Relationship Between Sediment Discharge Ratio with Water Flow and Sediment Factors in Three Gorges Reservoir, columnId=1222925280734335368, journalTitle=Water Resources and Power, columnName=DAM SAFETY AND MONITORING, runingTitle=null, highlight=null, articleAbstract=

In order to study the response relationship between sediment discharge ratio (SDR) and influencing factors under actual water and sediment conditions, based on the measured water and sediment data of the Three Gorges Reservoir (TGR) from 2003 to 2018, this paper discussed the response relationship between SDR and various influencing factors on the basis of analyzing the characteristics of water and sediment from the reservoir, and established the formula of SDR in the main flood season. The results show that the correlation between SDR and single factor is not obvious, indicating that the SDR is affected by multiple factors. From the perspective of reservoir operation and regulation, the SDR is negatively related to the flood detention time, and the sediment discharge efficiency should be improved by shortening the flood detention time; From the perspective of incoming water and sediment, the greater the amount of sediment entering the reservoir, the greater the sediment discharge ratio of fine sediment is; Coarse sediment, on the contrary, is characterized by more coming and less discharging. In the main flood season, the relationship between the SDR and the proposed expression is good. This study can provide reference for the operation of TGR.

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为研究实际水沙条件下排沙比与影响因素间的响应关系,基于三峡水库2003~2018年实测水沙资料,在分析水库来水来沙特性的基础上探讨了排沙比与各影响因子的响应关系,并建立了主汛期排沙比关系式。结果表明,排沙比与单因子影响因素的相关性不高,说明排沙比受多因子综合影响。从水库的运行调度角度出发,排沙比与滞洪时间呈负相关,应通过缩短滞洪时间来提高排沙效率;从来水来沙角度分析,入库沙量越大,细颗粒泥沙的排沙比越大,粗颗粒泥沙则呈多来少排的特点。在主汛期,排沙比与提出的表达式关系较好,可为三峡水库调度提供参考。

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童思陈(1973-),男,博士、教授、硕导,研究方向为水力学与河流动力学,E-mail:
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张倩倩(1999-),女,博士研究生,研究方向为水力学与河流动力学,E-mail:

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三峡水库排沙比与水沙因子响应关系
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张倩倩 1a, 1b , 童思陈 1a, 1b , 龙孝平 2 , 蒋聘凤 1a, 1b
水电能源科学 | 大坝安全与监测 2023,41(8): 101-104
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水电能源科学 | 大坝安全与监测 2023, 41(8): 101-104
三峡水库排沙比与水沙因子响应关系
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张倩倩1a, 1b , 童思陈1a, 1b , 龙孝平2, 蒋聘凤1a, 1b
作者信息
  • 1.a.重庆交通大学河海学院,重庆 400074
  • 1.b.重庆交通大学国家内河航道整治工程技术研究中心,重庆 400074
  • 2.长江生态环保集团有限公司,湖北 武汉 430062
  • 张倩倩(1999-),女,博士研究生,研究方向为水力学与河流动力学,E-mail:

通讯作者:

童思陈(1973-),男,博士、教授、硕导,研究方向为水力学与河流动力学,E-mail:
Response Relationship Between Sediment Discharge Ratio with Water Flow and Sediment Factors in Three Gorges Reservoir
Qian-qian ZHANG1a, 1b , Si-chen TONG1a, 1b , Xiao-ping LONG2, Pin-feng JIANG1a, 1b
Affiliations
  • 1a.School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
  • 1b.National Engineering Research Center for Inland Waterway Regulation, Chongqing Jiaotong University, Chongqing 400074, China
  • 2.Yangtze Ecology and Environment Co., Ltd., Wuhan 430062, China
出版时间: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20222135
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为研究实际水沙条件下排沙比与影响因素间的响应关系,基于三峡水库2003~2018年实测水沙资料,在分析水库来水来沙特性的基础上探讨了排沙比与各影响因子的响应关系,并建立了主汛期排沙比关系式。结果表明,排沙比与单因子影响因素的相关性不高,说明排沙比受多因子综合影响。从水库的运行调度角度出发,排沙比与滞洪时间呈负相关,应通过缩短滞洪时间来提高排沙效率;从来水来沙角度分析,入库沙量越大,细颗粒泥沙的排沙比越大,粗颗粒泥沙则呈多来少排的特点。在主汛期,排沙比与提出的表达式关系较好,可为三峡水库调度提供参考。

三峡水库  /  泥沙淤积  /  排沙比  /  影响因子

In order to study the response relationship between sediment discharge ratio (SDR) and influencing factors under actual water and sediment conditions, based on the measured water and sediment data of the Three Gorges Reservoir (TGR) from 2003 to 2018, this paper discussed the response relationship between SDR and various influencing factors on the basis of analyzing the characteristics of water and sediment from the reservoir, and established the formula of SDR in the main flood season. The results show that the correlation between SDR and single factor is not obvious, indicating that the SDR is affected by multiple factors. From the perspective of reservoir operation and regulation, the SDR is negatively related to the flood detention time, and the sediment discharge efficiency should be improved by shortening the flood detention time; From the perspective of incoming water and sediment, the greater the amount of sediment entering the reservoir, the greater the sediment discharge ratio of fine sediment is; Coarse sediment, on the contrary, is characterized by more coming and less discharging. In the main flood season, the relationship between the SDR and the proposed expression is good. This study can provide reference for the operation of TGR.

Three Gorges Reservoir  /  sediment deposition  /  sediment discharge ratio  /  influencing factors
张倩倩, 童思陈, 龙孝平, 蒋聘凤. 三峡水库排沙比与水沙因子响应关系. 水电能源科学, 2023 , 41 (8) : 101 -104 . DOI: 10.20040/j.cnki.1000-7709.2023.20222135
Qian-qian ZHANG, Si-chen TONG, Xiao-ping LONG, Pin-feng JIANG. Response Relationship Between Sediment Discharge Ratio with Water Flow and Sediment Factors in Three Gorges Reservoir[J]. Water Resources and Power, 2023 , 41 (8) : 101 -104 . DOI: 10.20040/j.cnki.1000-7709.2023.20222135
  • 国家重点研发计划(2018YFB1600400)
  • 重庆市基础研究与前沿探索项目(cstc2018jcyjAX0534)
2023年第41卷第8期
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doi: 10.20040/j.cnki.1000-7709.2023.20222135
  • 接收时间:2022-10-14
  • 首发时间:2026-01-28
  • 出版时间:2023-08-25
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出版历史
  • 收稿日期:2022-10-14
  • 修回日期:2022-11-05
基金
国家重点研发计划(2018YFB1600400)
重庆市基础研究与前沿探索项目(cstc2018jcyjAX0534)
作者信息
    1.a.重庆交通大学河海学院,重庆 400074
    1.b.重庆交通大学国家内河航道整治工程技术研究中心,重庆 400074
    2.长江生态环保集团有限公司,湖北 武汉 430062

通讯作者:

童思陈(1973-),男,博士、教授、硕导,研究方向为水力学与河流动力学,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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