Article(id=1223193058972386154, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223193053830169317, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20212557, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1637683200000, receivedDateStr=2021-11-24, revisedDate=1648656000000, revisedDateStr=2022-03-31, acceptedDate=null, acceptedDateStr=null, onlineDate=1769561551087, onlineDateStr=2026-01-28, pubDate=1674576000000, pubDateStr=2023-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769561551087, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769561551087, creator=13701087609, updateTime=1769561551087, updator=13701087609, issue=Issue{id=1223193053830169317, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='1', 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=1769561549861, creator=13701087609, updateTime=1769567790701, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223219229885857794, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223193053830169317, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223219229885857795, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223193053830169317, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=59, endPage=62, ext={EN=ArticleExt(id=1223193062071975992, articleId=1223193058972386154, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Spatiotemporal Characteristics of Water Quality and Its Correlation with Land Use Type in Middle and Lower Reaches of ChanBa River, columnId=1222925279849341011, journalTitle=Water Resources and Power, columnName=HYDROLOGY, WATER RESOURCES AND ENVIRONMENT, runingTitle=null, highlight=null, articleAbstract=

In order to explore the spatiotemporal characteristics of water quality and its correlation with land use type in the middle and lower reaches of the Chanba River, sampling and monitoring were conducted in April (wet period), August (flow period) and December (dry period) of 2019 based on seventeen sampling sites. The spatial-temporal characteristics of water quality and the identification of main pollution factors were analyzed by employing multivariate statistical, and the relationship between the land use type and water quality indexes was studied by the method of Spearman analysis. The results show that water quality had spatial and temporal characteristics in the middle and lower reaches of Chanba River in 2019. In terms of time, the concentration values of NH3-N, TP and CODMn were maximum in flow period; The order of TP and CODMn was sorted as flow period > wet period > dry period. Spatially, the concentrations of NH3-N, TP and CODMn basically increased from the middle reaches to the lower reaches. Influenced by human activities along the river, the water quality was mainly polluted by nutrient and organic matter in the middle and lower reaches of Chanba river. Construction land had a positive correlation with pollutants and played a "source" role, while forest had a negative correlation with pollutants and played a "sink" role. The results can provide reference for water environmental management in Chanba River Basin.

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为探究浐灞河中下游水质时空变化特征及其与土地利用类型的关系,设置了17个采样点,分别于2019年4(平水期)、8(丰水期)、12月(枯水期)进行采样监测,运用统计学方法分析水质时空分布特征并识别主要污染因子,利用Spearman相关分析法探究土地利用类型面积占比与水质指标的相关关系。结果表明,2019年浐灞河中下游水质具有一定时空分异性。时间上来看,NH3-N浓度值丰水期最大,TP、CODMn的浓度值均为丰水期>平水期>枯水期;空间上来看,NH3-N、TP、CODMn浓度值从中游到下游基本呈上升趋势。受沿岸人类活动的影响,浐灞河中下游存在营养盐和有机物污染。建设用地与污染物浓度呈正相关,起“源”作用;林地与污染物浓度呈负相关,起“汇”作用。研究成果可为浐灞河流域水环境管理提供参考。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
连炎清(1962-),男,教授、博导,研究方向为环境水文模拟,E-mail:
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李晓科(1991-),女,硕士,研究方向为水环境,E-mail:

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李晓科(1991-),女,硕士,研究方向为水环境,E-mail:

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李晓科(1991-),女,硕士,研究方向为水环境,E-mail:

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浐灞河中下游水质时空变化特征及其与土地利用类型的关系
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李晓科 1 , 连炎清 2 , 徐新涵 1 , 方焱 1 , 王璇 1
水电能源科学 | 水文水资源与环境 2023,41(1): 59-62
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水电能源科学 | 水文水资源与环境 2023, 41(1): 59-62
浐灞河中下游水质时空变化特征及其与土地利用类型的关系
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李晓科1 , 连炎清2 , 徐新涵1, 方焱1, 王璇1
作者信息
  • 1.西安地球环境创新研究院,陕西 西安 710061
  • 2.河海大学长江保护与绿色发展研究院,江苏 南京 210098
  • 李晓科(1991-),女,硕士,研究方向为水环境,E-mail:

通讯作者:

连炎清(1962-),男,教授、博导,研究方向为环境水文模拟,E-mail:
Spatiotemporal Characteristics of Water Quality and Its Correlation with Land Use Type in Middle and Lower Reaches of ChanBa River
Xiao-ke LI1 , Yan-qing LIAN2 , Xin-han XU1, Yan FANG1, Xuan WANG1
Affiliations
  • 1.Xi’an Institute of Earth Environment Innovative, Xi’an 710061, China
  • 2.Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210098, China
出版时间: 2023-01-25 doi: 10.20040/j.cnki.1000-7709.2023.20212557
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为探究浐灞河中下游水质时空变化特征及其与土地利用类型的关系,设置了17个采样点,分别于2019年4(平水期)、8(丰水期)、12月(枯水期)进行采样监测,运用统计学方法分析水质时空分布特征并识别主要污染因子,利用Spearman相关分析法探究土地利用类型面积占比与水质指标的相关关系。结果表明,2019年浐灞河中下游水质具有一定时空分异性。时间上来看,NH3-N浓度值丰水期最大,TP、CODMn的浓度值均为丰水期>平水期>枯水期;空间上来看,NH3-N、TP、CODMn浓度值从中游到下游基本呈上升趋势。受沿岸人类活动的影响,浐灞河中下游存在营养盐和有机物污染。建设用地与污染物浓度呈正相关,起“源”作用;林地与污染物浓度呈负相关,起“汇”作用。研究成果可为浐灞河流域水环境管理提供参考。

浐灞河中下游  /  水质  /  土地利用类型  /  相关性

In order to explore the spatiotemporal characteristics of water quality and its correlation with land use type in the middle and lower reaches of the Chanba River, sampling and monitoring were conducted in April (wet period), August (flow period) and December (dry period) of 2019 based on seventeen sampling sites. The spatial-temporal characteristics of water quality and the identification of main pollution factors were analyzed by employing multivariate statistical, and the relationship between the land use type and water quality indexes was studied by the method of Spearman analysis. The results show that water quality had spatial and temporal characteristics in the middle and lower reaches of Chanba River in 2019. In terms of time, the concentration values of NH3-N, TP and CODMn were maximum in flow period; The order of TP and CODMn was sorted as flow period > wet period > dry period. Spatially, the concentrations of NH3-N, TP and CODMn basically increased from the middle reaches to the lower reaches. Influenced by human activities along the river, the water quality was mainly polluted by nutrient and organic matter in the middle and lower reaches of Chanba river. Construction land had a positive correlation with pollutants and played a "source" role, while forest had a negative correlation with pollutants and played a "sink" role. The results can provide reference for water environmental management in Chanba River Basin.

middle and lower reaches of Chanba River  /  water quality  /  land use type  /  relativity
李晓科, 连炎清, 徐新涵, 方焱, 王璇. 浐灞河中下游水质时空变化特征及其与土地利用类型的关系. 水电能源科学, 2023 , 41 (1) : 59 -62 . DOI: 10.20040/j.cnki.1000-7709.2023.20212557
Xiao-ke LI, Yan-qing LIAN, Xin-han XU, Yan FANG, Xuan WANG. Spatiotemporal Characteristics of Water Quality and Its Correlation with Land Use Type in Middle and Lower Reaches of ChanBa River[J]. Water Resources and Power, 2023 , 41 (1) : 59 -62 . DOI: 10.20040/j.cnki.1000-7709.2023.20212557
  • 国家重点研发计划(2021YFC3201103)
  • 中国科学院“西部之光”人才培养引进计划资助项目(2018)
  • 陕西省重点研发计划项目(S2020-YF-GHZD-0061)
2023年第41卷第1期
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doi: 10.20040/j.cnki.1000-7709.2023.20212557
  • 接收时间:2021-11-24
  • 首发时间:2026-01-28
  • 出版时间:2023-01-25
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出版历史
  • 收稿日期:2021-11-24
  • 修回日期:2022-03-31
基金
国家重点研发计划(2021YFC3201103)
中国科学院“西部之光”人才培养引进计划资助项目(2018)
陕西省重点研发计划项目(S2020-YF-GHZD-0061)
作者信息
    1.西安地球环境创新研究院,陕西 西安 710061
    2.河海大学长江保护与绿色发展研究院,江苏 南京 210098

通讯作者:

连炎清(1962-),男,教授、博导,研究方向为环境水文模拟,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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Percentage of
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Genus
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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