Time Variation and Influence Factors of Water Quality of Tuohe River Section in Suzhou City

JI Ding-min; ZHANG Bo; HUANG Shu-ling; ZHANG Jian-xiang; YANG Shang-wu; ZHOU Dan

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Time Variation and Influence Factors of Water Quality of Tuohe River Section in Suzhou City

- Time Variation and Influence Factors of Water Quality of Tuohe River Section in Suzhou City
- Bulletin of Soiland Water Conservation Vol. 32, Issue 6, Pages: 308-312(2013)
- 作者机构：
  
  1. 西北师范大学地理与环境科学学院,甘肃,兰州,730070
  2. 宿州学院地球科学与工程学院,安徽,宿州,231000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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JI Ding-min, ZHANG Bo, HUANG Shu-ling, et al. Time Variation and Influence Factors of Water Quality of Tuohe River Section in Suzhou City[J]. Bulletin of Soiland Water Conservation, 2013, 32(6): 308-312.
DOI：

JI Ding-min, ZHANG Bo, HUANG Shu-ling, et al. Time Variation and Influence Factors of Water Quality of Tuohe River Section in Suzhou City[J]. Bulletin of Soiland Water Conservation, 2013, 32(6): 308-312. DOI：

摘要

通过对宿州市沱河段沿岸实地调查

以沱河东关闸断面为采样点

分时段采集样品

并以沱河东关闸断面2004-2009年的连续监测资料为基础

对水质污染物主要指标进行了分析。监测的水质指标包括溶解氧(DO)、生化需氧量(BOD)、化学需氧量(COD)、氨氮(NH

-N)、总氮(TN)、总磷(TP)。采用单因子评价

基于直观图解、线性趋势分析和季节性Kendall检验法

探究了沱河水质污染的年内及年际变化趋势

并分析影响水质变化的主要因素

提出了相关保护对策。结果表明:(1)年内水质变化显著

-N和TP在冬季含量偏高

TN和COD在春、秋季含量较高

BOD在夏季含量偏高。(2)年际变化方面

BOD

-N和TN均呈显著下降趋势

COD呈不明显下降趋势

DO和TP无明显变化趋势。总体来说

宿州市沱河段水质状况处于不断改善之中。

Abstract

By investigating Tuohe River section in Suzhou City

this study used the Dongguanzha station as the sampling point to analyze the main index of water quality based on the continuous monitoring data of Tuohe River from 2004 to 2009.The monitored water quality indicators are DO

BOD

COD

NH3-N

TN and TP.Based on the method of single factor evaluation

the intuitive graphical interpretation

the linear trend analysis and seasonal Kendall test were used to explore the seasonal and interannual trends of water pollution of Tuohe River.The results indicated that:(1)Water quality changed significantly during a year

the content of DO NH3-N and TP were higher in winter

while TN and COD were higher in spring and autumn

and the BOD content was higher in summer.(2)The inter-annual variations of BOD

NH3-N and TN showed significantly downtrend

while there was no obvious change about COD.In general

water quality of Tuohe River section in Suzhou City is becoming better.

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