小型岸边站技术在水质自动监测中稳定性和可靠性分析
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摘要
以苏州河水质自动监测岸边站为例,根据近3年实际运行情况,从实样验收比对、连续运行比对等方面系统比较自动监测和实验室分析数据,深入探讨小型岸边站技术的稳定性和可靠性。结果表明:岸边站在线监测数据总体较为稳定,水温、溶解氧、p H、氨氮等监测结果和变化规律与实验室数据具有较好的相关性和一致性,其中,水温、p H、氨氮等指标均不存在明显差异,苏州河水质自动在线岸边站测定的数据真实可靠。加强自动站运维管理等可以进一步提高自动站数据质量。
Based on three years monitoring data of automatic water quality station of Suzhou Creek,the stability and reliability of water quality shore station were analyzed by data comparison to the laboratory. It is shown that the temperature,p H,DO,and NH3-N from the automatic water quality station and laboratory were highly correlated,and there was no difference at the significant level of 0. 01. The automatic water quality monitoring system of Suzhou Creek was stable and reliable. The accuracy and stability could be improved by proper maintenance and standardized management.
Based on three years monitoring data of automatic water quality station of Suzhou Creek,the stability and reliability of water quality shore station were analyzed by data comparison to the laboratory. It is shown that the temperature,p H,DO,and NH3-N from the automatic water quality station and laboratory were highly correlated,and there was no difference at the significant level of 0. 01. The automatic water quality monitoring system of Suzhou Creek was stable and reliable. The accuracy and stability could be improved by proper maintenance and standardized management.
引文
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[2]徐恒省,洪维民,王亚超,等.太湖饮用水源地蓝藻水华预警监测体系的构建[J].环境监测管理与技术,2008,20(1):1-3.XU Hengxing,HONG Weimin,WANG Yachao,et al.Early Warning Monitoring System Establishment to Cyanobacteria Bloom-Forming of Source Water Site in the Taihu Lake[J].The Administration and Technique of Environmental Monitoring,2008,20(1):1-3.
[3]韦海玲.水质自动监测站的仪器性能测试和比对试验实例[C]∥中国水利学会2010学术年会论文集.郑州:黄河水利出版社,2010.
[4]王丽伟,樊引琴,郭正,等.水质自动监测数据可靠性分析[J].人民黄河,2008,30(11):52-53.WANG Liwei,FAN Yinqin,GUO Zheng,et al.Reliability Analysis of Automatic Water Quality Monitoring Data[J].Yellow River,2008,30(11):52-53.
[5]林树生,尤小娟,陆权,等.水质COD在线自动监测与实验室分析方法比较[J].仪器仪表与分析监测,2011(3):30-32.LIN Shusheng,YOU Xiaojuan,LU Quan,et al.Water COD On-Line Automatic Monitoring and Laboratory Analysis Comparison[J].Instrumentation and Analysis Monitoring,2011(3):30-32.
[6]王国胜,胡宝祥,张兰.地表水水质自动监测数据技术评估[J].中国环境监测,2010,26(5):44-46.WANG Guosheng,HU Baoxiang,ZHANG Lan.The Technology Assessment of Automatic Monitoring of Surface Water Data[J].Environmental Monitoring in China,2010,26(5):44-46.
[7]龙小燕.关于水质自动监测数据的可靠性分析[J].海峡科学,2014,89(5):7-10.LONG Xiaoyan.Reliability Analysis of Automatic Water Quality Monitoring Data[J].Strait Science,2014,89(5):7-10.
[8]张奇磊.影响水质自动监测系统监测数据准确性的几个因素[J].干旱环境监测,2007,21(3):174-187.ZHANG Qilei.A Few Factors that Effect Monitoring Data Veracity of Water Quality Automatic System[J].Arid Environmental Monitoring,2007,21(3):174-187.
[9]何虎军,蔡金王,金松.地表水在线水质分析仪实际水样测量准确性和稳定性影响因素分析[J].四川环境,2017,36(增刊):72-74.HE Hujun,CAI Jinwang,JIN Song.Analysis on the Accuracy and Stability of the Actual Sample Measurement of Surface Water Online Analyzer[J].Sichuan Environment,2017,36(suppl):72-74.
[10]赵利娜.苏州河干流水质自动监测系统数据的可靠性分析[J].中国环境监测,2015,31(5):152-155.ZHAO Lina.Reliability Analysis of Automatic Water Quality Monitoring System for the Main Stream of Suzhou River[J].Environmental Monitoring in China,2015,31(5):152-155.