Article(id=1223210586280940482, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221474, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1658073600000, receivedDateStr=2022-07-18, revisedDate=1660838400000, revisedDateStr=2022-08-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1769565729922, onlineDateStr=2026-01-28, pubDate=1687622400000, pubDateStr=2023-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769565729922, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769565729922, creator=13701087609, updateTime=1769565729922, updator=13701087609, issue=Issue{id=1223210584024400210, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='6', 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=1769565729385, creator=13701087609, updateTime=1769593153259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223325608164348105, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223325608164348106, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=13, endPage=16, ext={EN=ArticleExt(id=1223210586746508238, articleId=1223210586280940482, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Similar Basin Recognition Method Based on Time-varying Feature Matrix, columnId=1222925279849341011, journalTitle=Water Resources and Power, columnName=HYDROLOGY, WATER RESOURCES AND ENVIRONMENT, runingTitle=null, highlight=null, articleAbstract=

A similar basin identification method was proposed to improve the reliability of similar basin identification for hydrological forecasting in ungauged basin. The method introduced the basin time-varying feature information and constructed a time-varying feature matrix (TVFM). A dimension reduction method for the TVFM was proposed to obtain the basin feature vector. The classical K-means clustering method was adopted to implement the identification of the similar basins. Seventeen natural catchments in Jiangxi Province were selected and the Xin'anjiang model was applied in this research. A series of studies were carried out which includes feature vector and feature matrix construction, similar basin identification, parameter transfer, and comparison & analysis of hydrological forecasting results. The following conclusions can be drawn. The proposed TVFM can achieve better forecasting results in ungauged basins. Compared with the traditional similar basin identification method based on time-invariant underlying surface information, the prediction accuracy is improved. The similar basin identification based on time-varying comprehensive features generates the best predictions, and the prediction accuracy based on time-varying meteorological features is better than that based only on time-invariant underlying surface features. Comparison with the single factor methods, the directional problem of the parameter transfer can be partially solved by the proposed comprehensive method. Unfortunately, the directional problem cannot be completely overcame until recently.

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为了提升无径流资料区水文预报相似流域识别的可靠性,提出了一种相似流域识别方法,该方法通过引入流域时变特征信息,构建流域时变特征矩阵及其展布方法获取流域特征向量,并利用经典K-means聚类方法实现相似流域识别,并以江西省17个天然闭合流域为例,结合新安江模型,开展特征向量/矩阵构建、相似流域聚类识别、模型参数移用、水文预报结果对比分析等一系列研究。结果表明,提出的时变特征矩阵用于无径流资料区水文预报能取得较好的应用效果,与传统的仅基于时不变下垫面信息的相似流域识别方法相比,预报精度得到提升;基于时变综合要素获得的相似分组取得了最高的预报精度,基于时变气象要素获得的相似分组预报精度优于仅基于时不变下垫面要素获得的相似分组;与基于单一要素相似流域识别方法相比,基于综合要素获得的相似分组改善了参数移用的方向性问题,但尚不能完全消除方向性影响。

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何晓燕(1972-),女,博士、正高级工程师,研究方向为洪水预报与调度、水库汛期运行水位动态控制等,E-mail:
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李珂(1996-),女,硕士研究生,研究方向为水文预报,E-mail:

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李珂(1996-),女,硕士研究生,研究方向为水文预报,E-mail:

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基于时变特征矩阵的相似流域识别方法研究
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李珂 1, 2, 3 , 阚光远 1, 2, 3 , 何晓燕 1, 2, 3 , 祝冰洁 4
水电能源科学 | 水文水资源与环境 2023,41(6): 13-16
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水电能源科学 | 水文水资源与环境 2023, 41(6): 13-16
基于时变特征矩阵的相似流域识别方法研究
全屏
李珂1, 2, 3 , 阚光远1, 2, 3, 何晓燕1, 2, 3 , 祝冰洁4
作者信息
  • 1.流域水循环模拟与调控国家重点实验室,北京 100038
  • 2.中国水利水电科学研究院,北京 100038
  • 3.水利部防洪抗旱减灾工程技术研究中心,北京 100038
  • 4.河南省水文水资源局,河南 郑州 450003
  • 李珂(1996-),女,硕士研究生,研究方向为水文预报,E-mail:

通讯作者:

何晓燕(1972-),女,博士、正高级工程师,研究方向为洪水预报与调度、水库汛期运行水位动态控制等,E-mail:
Research on Similar Basin Recognition Method Based on Time-varying Feature Matrix
Ke LI1, 2, 3 , Guang-yuan KAN1, 2, 3, Xiao-yan HE1, 2, 3 , Bing-jie ZHU4
Affiliations
  • 1.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Beijing 100038, China
  • 2.China Institute of Water Resources and Hydropower Research, Beijing 100038, China
  • 3.Research Center on Flood and Drought Disaster Reduction of the Ministry of Water Resources, Beijing 100038, China
  • 4.Henan Bureau of Hydrology and Water Resources, Zhengzhou 450003, China
出版时间: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20221474
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为了提升无径流资料区水文预报相似流域识别的可靠性,提出了一种相似流域识别方法,该方法通过引入流域时变特征信息,构建流域时变特征矩阵及其展布方法获取流域特征向量,并利用经典K-means聚类方法实现相似流域识别,并以江西省17个天然闭合流域为例,结合新安江模型,开展特征向量/矩阵构建、相似流域聚类识别、模型参数移用、水文预报结果对比分析等一系列研究。结果表明,提出的时变特征矩阵用于无径流资料区水文预报能取得较好的应用效果,与传统的仅基于时不变下垫面信息的相似流域识别方法相比,预报精度得到提升;基于时变综合要素获得的相似分组取得了最高的预报精度,基于时变气象要素获得的相似分组预报精度优于仅基于时不变下垫面要素获得的相似分组;与基于单一要素相似流域识别方法相比,基于综合要素获得的相似分组改善了参数移用的方向性问题,但尚不能完全消除方向性影响。

相似流域  /  时变特征矩阵  /  无资料地区  /  参数移用  /  新安江模型

A similar basin identification method was proposed to improve the reliability of similar basin identification for hydrological forecasting in ungauged basin. The method introduced the basin time-varying feature information and constructed a time-varying feature matrix (TVFM). A dimension reduction method for the TVFM was proposed to obtain the basin feature vector. The classical K-means clustering method was adopted to implement the identification of the similar basins. Seventeen natural catchments in Jiangxi Province were selected and the Xin'anjiang model was applied in this research. A series of studies were carried out which includes feature vector and feature matrix construction, similar basin identification, parameter transfer, and comparison & analysis of hydrological forecasting results. The following conclusions can be drawn. The proposed TVFM can achieve better forecasting results in ungauged basins. Compared with the traditional similar basin identification method based on time-invariant underlying surface information, the prediction accuracy is improved. The similar basin identification based on time-varying comprehensive features generates the best predictions, and the prediction accuracy based on time-varying meteorological features is better than that based only on time-invariant underlying surface features. Comparison with the single factor methods, the directional problem of the parameter transfer can be partially solved by the proposed comprehensive method. Unfortunately, the directional problem cannot be completely overcame until recently.

similar basins  /  time-varying feature matrix  /  ungauged basin  /  parameter transfer  /  Xin'anjing model
李珂, 阚光远, 何晓燕, 祝冰洁. 基于时变特征矩阵的相似流域识别方法研究. 水电能源科学, 2023 , 41 (6) : 13 -16 . DOI: 10.20040/j.cnki.1000-7709.2023.20221474
Ke LI, Guang-yuan KAN, Xiao-yan HE, Bing-jie ZHU. Research on Similar Basin Recognition Method Based on Time-varying Feature Matrix[J]. Water Resources and Power, 2023 , 41 (6) : 13 -16 . DOI: 10.20040/j.cnki.1000-7709.2023.20221474
  • 国家重点研发计划(2019YFC1510605)
  • 光合基金A类20210701(ghfund202107011171)
  • 中国水利水电科学研究院十四五“五大人才”计划(JZ0199A032021)
  • 中国水科院减灾中心“基础研究型”科技创新人才项目
  • 北京师范大学北京市重点实验室开放基金(HYD2020OF02)
2023年第41卷第6期
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doi: 10.20040/j.cnki.1000-7709.2023.20221474
  • 接收时间:2022-07-18
  • 首发时间:2026-01-28
  • 出版时间:2023-06-25
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  • 收稿日期:2022-07-18
  • 修回日期:2022-08-19
基金
国家重点研发计划(2019YFC1510605)
光合基金A类20210701(ghfund202107011171)
中国水利水电科学研究院十四五“五大人才”计划(JZ0199A032021)
中国水科院减灾中心“基础研究型”科技创新人才项目
北京师范大学北京市重点实验室开放基金(HYD2020OF02)
作者信息
    1.流域水循环模拟与调控国家重点实验室,北京 100038
    2.中国水利水电科学研究院,北京 100038
    3.水利部防洪抗旱减灾工程技术研究中心,北京 100038
    4.河南省水文水资源局,河南 郑州 450003

通讯作者:

何晓燕(1972-),女,博士、正高级工程师,研究方向为洪水预报与调度、水库汛期运行水位动态控制等,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
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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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