Article(id=1223185960440025408, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221672, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1660320000000, receivedDateStr=2022-08-13, revisedDate=1665590400000, revisedDateStr=2022-10-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1769559858664, onlineDateStr=2026-01-28, pubDate=1679673600000, pubDateStr=2023-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769559858664, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769559858664, creator=13701087609, updateTime=1769559858664, updator=13701087609, issue=Issue{id=1223185958363841064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='3', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769559858149, creator=13701087609, updateTime=1769561242661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223191765415477785, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223191765415477786, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223185958363841064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=10, endPage=13, ext={EN=ArticleExt(id=1223185960993673545, articleId=1223185960440025408, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Runoff Changes and Attribution Identification in the Upper Reaches of Minjiang River in Recent 59 Years, columnId=1223185960926564679, journalTitle=Water Resources and Power, columnName=HYDROLOGY,WATER RESOURCES AND ENVIRONMENT, runingTitle=null, highlight=null, articleAbstract=

In order to efficiently utilize water resources in the upper reaches of the Minjiang River Basin, based on hydro-meteorological data of the basin from 1960 to 2018, a variety of statistical theories were used to analyze the trend, cycle and abrupt point of runoff. The elastic coefficient method based on Budyko theory (Choudhury-Yang formula) and the comparative method of cumulated slope change rate (SCRCQ method) were used to analyze the attribution of runoff changes. The results show that the runoff decreases significantly at a rate of 12.5 mm/10a, and a sudden change occurred in 1993. There are 3 years, 8 years, 12 years and 18 years main cycles of runoff change, and the annual distribution is uneven, mainly concentrated in summer and autumn, accounting for 73.6%. Rainfall is the most sensitive to runoff, followed by underlying surface parameters, and potential evapotranspiration is the least sensitive. Choudhury-Yang formula and SCRCQ method calculated that the contribution rate of climate change to runoff reduction was 58.13% and 63.29%, respectively. Climate change was the main factor of runoff reduction in the study area, and the contribution rate of human activities to runoff reduction should not be underestimated, reaching 41.87% and 36.71%, respectively.

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为高效利用岷江上游流域的水资源,基于1960~2018年流域水文气象资料,采用多种统计学理论分析径流的趋势、周期和突变点,应用基于Budyko理论的弹性系数法(Choudhury-Yang公式)和累积量斜率变化率比较法(SCRCQ法)对径流变化进行归因分析。结果表明,径流以12.5 mm/10a的速率呈显著减少趋势,并在1993年发生突变。径流变化存在3、8、12、18年的主周期,其年内分配不均,主要集中于夏秋两季,占比73.6%。降雨对径流变化最为敏感,下垫面参数次之,潜在蒸散发最不敏感。Choudhury-Yang公式和SCRCQ法计算出气候变化对径流减少的贡献率分别达到58.13%、63.29%,表明气候变化是研究区径流减少的主要因素,而人类活动对径流减少的贡献亦不容低估,贡献率分别达到41.87%、36.71%。

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雷孝章(1965-),男,教授、硕导,研究方向为水土保持,E-mail:
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陈前(1996-),男,硕士研究生,研究方向为水土保持,E-mail:

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陈前(1996-),男,硕士研究生,研究方向为水土保持,E-mail:

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岷江上游近59年径流变化及归因识别
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陈前 a, b , 雷孝章 a, b , 张崟崟 a, b
水电能源科学 | 水文水资源与环境 2023,41(3): 10-13
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水电能源科学 | 水文水资源与环境 2023, 41(3): 10-13
岷江上游近59年径流变化及归因识别
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陈前a, b , 雷孝章a, b , 张崟崟a, b
作者信息
  • a.四川大学水利水电学院,四川 成都 610065
  • b.四川大学水力学与山区河流保护国家重点实验室,四川 成都 610065
  • 陈前(1996-),男,硕士研究生,研究方向为水土保持,E-mail:

通讯作者:

雷孝章(1965-),男,教授、硕导,研究方向为水土保持,E-mail:
Runoff Changes and Attribution Identification in the Upper Reaches of Minjiang River in Recent 59 Years
Qian CHENa, b , Xiao-zhang LEIa, b , Yin-yin ZHANGa, b
Affiliations
  • a.College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China
  • b.State Key Laboratory of Hydraulics and Mountain River Protection, Sichuan University, Chengdu 610065, China
出版时间: 2023-03-25 doi: 10.20040/j.cnki.1000-7709.2023.20221672
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为高效利用岷江上游流域的水资源,基于1960~2018年流域水文气象资料,采用多种统计学理论分析径流的趋势、周期和突变点,应用基于Budyko理论的弹性系数法(Choudhury-Yang公式)和累积量斜率变化率比较法(SCRCQ法)对径流变化进行归因分析。结果表明,径流以12.5 mm/10a的速率呈显著减少趋势,并在1993年发生突变。径流变化存在3、8、12、18年的主周期,其年内分配不均,主要集中于夏秋两季,占比73.6%。降雨对径流变化最为敏感,下垫面参数次之,潜在蒸散发最不敏感。Choudhury-Yang公式和SCRCQ法计算出气候变化对径流减少的贡献率分别达到58.13%、63.29%,表明气候变化是研究区径流减少的主要因素,而人类活动对径流减少的贡献亦不容低估,贡献率分别达到41.87%、36.71%。

岷江上游  /  径流演变  /  Budyko理论  /  归因分析

In order to efficiently utilize water resources in the upper reaches of the Minjiang River Basin, based on hydro-meteorological data of the basin from 1960 to 2018, a variety of statistical theories were used to analyze the trend, cycle and abrupt point of runoff. The elastic coefficient method based on Budyko theory (Choudhury-Yang formula) and the comparative method of cumulated slope change rate (SCRCQ method) were used to analyze the attribution of runoff changes. The results show that the runoff decreases significantly at a rate of 12.5 mm/10a, and a sudden change occurred in 1993. There are 3 years, 8 years, 12 years and 18 years main cycles of runoff change, and the annual distribution is uneven, mainly concentrated in summer and autumn, accounting for 73.6%. Rainfall is the most sensitive to runoff, followed by underlying surface parameters, and potential evapotranspiration is the least sensitive. Choudhury-Yang formula and SCRCQ method calculated that the contribution rate of climate change to runoff reduction was 58.13% and 63.29%, respectively. Climate change was the main factor of runoff reduction in the study area, and the contribution rate of human activities to runoff reduction should not be underestimated, reaching 41.87% and 36.71%, respectively.

the upper reaches of the Minjiang River  /  runoff evolution characteristics  /  Budyko theory  /  attribution analysis
陈前, 雷孝章, 张崟崟. 岷江上游近59年径流变化及归因识别. 水电能源科学, 2023 , 41 (3) : 10 -13 . DOI: 10.20040/j.cnki.1000-7709.2023.20221672
Qian CHEN, Xiao-zhang LEI, Yin-yin ZHANG. Runoff Changes and Attribution Identification in the Upper Reaches of Minjiang River in Recent 59 Years[J]. Water Resources and Power, 2023 , 41 (3) : 10 -13 . DOI: 10.20040/j.cnki.1000-7709.2023.20221672
  • 国家自然科学基金项目(41772321)
  • 四川省科技计划项目(2020YFN0011)
2023年第41卷第3期
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doi: 10.20040/j.cnki.1000-7709.2023.20221672
  • 接收时间:2022-08-13
  • 首发时间:2026-01-28
  • 出版时间:2023-03-25
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  • 收稿日期:2022-08-13
  • 修回日期:2022-10-13
基金
国家自然科学基金项目(41772321)
四川省科技计划项目(2020YFN0011)
作者信息
    a.四川大学水利水电学院,四川 成都 610065
    b.四川大学水力学与山区河流保护国家重点实验室,四川 成都 610065

通讯作者:

雷孝章(1965-),男,教授、硕导,研究方向为水土保持,E-mail:
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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Percentage of
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种数
Number of
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Percentage of total
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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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