[1]黄道军,薛睿康,李 凯,等.西北某水库沉积物污染特征与评价[J].西安建筑科技大学学报(自然科学版),2021,53(01):103-108.[doi:10.15986/j.1006-7930.2021.01.014]
　HUANG Daojun,XUE Ruikang,LI Kai,et al.Characteristics and evaluation of pollution in sediments of a reservoir in Northwest China[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2021,53(01):103-108.[doi:10.15986/j.1006-7930.2021.01.014]
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西北某水库沉积物污染特征与评价()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
53
期数:
2021年01期
页码:
103-108
栏目:
出版日期:
2021-02-28

文章信息/Info

Title:
Characteristics and evaluation of pollution in sediments of a reservoir in Northwest China
文章编号:
1006-7930(2021)01-0103-06
作者:
黄道军1; 薛睿康2; 李 凯2; 等
(1.陕西西咸新区水务集团有限公司,陕西 西安 712000; 2.西安建筑科技大学 陕西省环境工程重点实验室,陕西 西安 710055)
Author(s):
HUANG Daojun1;  XUE Ruikang2;  LI Kai2;  et al
(1.Shaanxi Xixian New Area Water Group Co.,Ltd.,Xi’an 712000, China; 2.Shaanxi Key Laboratory of Environmental Engineering, Xi’an Univ. of Arch. & Tech., Xi’an 710055, China)
关键词:
农灌水库;  沉积物;  营养盐;  污染评价
Keywords:
agricultural irrigation reservoir;  sediments;  nutrients;  pollution evaluation
分类号:
TU451
DOI:
10.15986/j.1006-7930.2021.01.014
文献标志码:
A
摘要:
以西北某小型水库坝前至库尾段4个采样点的表层沉积物为研究对象,测定了表层沉积物中总有机碳(TOC)、总氮(TN)、总磷(TP)、硝态氮(NO-3-N)、铵态氮(NH+4-N)、有效磷(AP)含量,通过计算碳氮比(C/N)、氮磷比(N/P)分析了沉积物污染主要来源,并利用有机污染指数法、单因子污染指数法和综合污染指数法对表层沉积物的有机物、氮、磷污染进行了评价.结果表明:表层沉积物中TOC、TN、TP、NO-3-N、NH+4-N、AP含量分别为11.68 g/kg、0.46 g/kg、0.17 g/kg、32.20 mg/kg、66.90 mg/kg和13.08 mg/kg; 沉积物中C/N、N/P范围分别为19.02～40.93和2.33～3.36,表明沉积物主要来自外源输入; 有机污染指数表明S1、S4采样点有机物轻度污染,S2、S3采样点为清洁,S3采样点有机氮污染评价为清洁,其余采样点为轻度污染; 单因子污染指数和综合污染指数评价结果表明仅S4采样点总氮单因子指数评价和综合污染指数评价为轻度污染,其余采样点均为清洁.
Abstract:
This study takes the surface sediments from 4 sampling points from the dam to the tail of a small reservoir in the northwest, and analyzes the total organic carbon(TOC), total nitrogen(TN), total phosphorus(TP), nitrate nitrogen(NO-3-N), ammonium nitrogen(NH+4-N), and available phosphorus(AP)in the surface sediments. The main sources of sediment pollution were identified by calculating C/N and N/P.The organic pollution index method, single factor pollution index method and comprehensive pollution index method were used to evaluate the organic pollution, nitrogen and phosphorus pollution.Results showed that the contents of TOC, TN, TP, NO-3-N, NH+4-N and AP in the surface sediments were 11.68 g/kg、0.46 g/kg、0.17 g/kg、32.20 mg/kg、66.90 mg/kg and 13.08 mg/kg, respectively; the C/N and N/P ranges of the sediments were 19.02～40.93 and 2.33～3.36, respectively, indicating that the sediments were mainly from external sources.The organic pollution index indicates that the organic pollution of S1 and S4 is evaluated as light pollution,and the sampling points of S2 and S3 are clean.The organic nitrogen pollution of S3 sampling point is evaluated as clean, and the remaining sampling points are lightly polluted.The evaluation results of single factor pollution index and comprehensive pollution index show that only S4 sampling site showed light pollution, and the remaining sampling points are clean.

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备注/Memo

备注/Memo:
收稿日期:2020-11-24 修改稿日期:2021-01-12
基金项目:国家重点研发计划课题基金资助项目(2019YFD1100101); 陕西省重点研发计划重点产业链(群)-社会发展领域基金资助项目(No.2019ZDLSF06-03)
第一作者:黄道军(1975-),男,硕士,高级工程师.主要研究方向为水环境保护与水务运营管理.E-mail:huang_xixian@126.com
通讯作者:黄廷林(1962-),男,博士,教授.主要研究方向为水源水质污染与富营养化控制.E-mail:huangtinglin@xauat.edu.cn
更新日期/Last Update: 2021-02-28