Water Quality Characteristics and Driving Factors of Drinking Water Source in Northern Shaanxi Mining Area During 2013-2019

Dong Ying; Wu Xijun; Li Huaien; Zhang Yaning; Wu Hongmei; Liu Jing; Zhang Fanping

doi:10.13961/j.cnki.stbctb.2021.01.039

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Water Quality Characteristics and Driving Factors of Drinking Water Source in Northern Shaanxi Mining Area During 2013-2019

- Water Quality Characteristics and Driving Factors of Drinking Water Source in Northern Shaanxi Mining Area During 2013-2019
- Bulletin of Soiland Water Conservation Vol. 41, Issue 1, Pages: 284-289(2021)
- 作者机构：
  
  1. 榆林学院建筑工程学院,陕西,榆林,719000
  2. 西安理工大学省部共建西北旱区生态水利国家重点实验室,陕西,西安,710048
  3. 榆林高新区水务有限责任公司,陕西,榆林,719000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2021.01.039
  CLC： X824
- Published：2021
- 稿件说明：
移动端阅览
Dong Ying, Wu Xijun, Li Huaien, et al. Water Quality Characteristics and Driving Factors of Drinking Water Source in Northern Shaanxi Mining Area During 2013-2019[J]. Bulletin of Soiland Water Conservation, 2021, 41(1): 284-289.
DOI：

Dong Ying, Wu Xijun, Li Huaien, et al. Water Quality Characteristics and Driving Factors of Drinking Water Source in Northern Shaanxi Mining Area During 2013-2019[J]. Bulletin of Soiland Water Conservation, 2021, 41(1): 284-289. DOI： 10.13961/j.cnki.stbctb.2021.01.039.

摘要

[目的] 分析陕北矿区饮用水源地尤家峁水库的水质变化特征和驱动因素，为中国同类地区饮用水的保护和处理提供技术依据。[方法] 于2013-2019年对榆林市饮用水源地尤家峁水库水质进行连续监测，获取了20项水质指标数据，并采用主成分分析法（PCA）和PCA-熵值结合法对监测数据进行分析。[结果] ①浑浊度、色度、锰含量是影响尤家峁水库水质的主要驱动因子，高锰酸盐指数、氨氮次之。水质净化的首要任务是除锰。②尤家峁水库2014年水质最差，2015，2016年水质较好；年内冬季水质最好，夏季最差，与降水量、气温变化有明显的相关性。③ PCA是一种切实可行的水质主要驱动因子识别方法，与PCA-熵值结合法的计算结果基本一致。[结论] 锰污染是尤家峁水库水质恶化的主导因素，夏季锰浓度明显升高，应相应调整水处理工艺或增大药剂投加量，以满足民生饮水安全。

Abstract

[Objective] The water quality change characteristics and driving factors of Youjiamao reservoir

which is a drinking water source of mining area in Northern Shaanxi Province were analyzed to provide a technical support for the protection and treatment of drinking water in similar areas.[Methods] The water quality of Youjiamao reservoir was continuously monitored from 2013 to 2019

and 20 water quality indicators were obtained. The principal component analysis (PCA) and PCA-entropy method were used to analyze the monitoring data.[Results] ① Turbidity

chroma

manganese were the main driving factors of water quality in Youjiamao reservoir

followed by permanganate index and ammonia nitrogen. The primary task of water purification was to remove manganese. ② The water quality of Youjiamao reservoir was the worst in 2014

and was better in 2015 and 2016. Water quality was the best in winter and the worst in summer

which had obvious correlation with the precipitation and temperature. ③ PCA was a feasible method to identify the main driving factors of water quality

which was basically consistent with the calculation result of PCA-entropy method.[Conclusion] Manganese pollution is the key factor for the deterioration of water quality in Youjiamao reservoir

and the manganese concentration is significantly higher in summer. Therefore

water treatment technology should be adjusted or chemicals dosage should be increased to meet the drinking water safety.

关键词

Keywords

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