基于KZ滤波法的韶关市O_...同时间尺度变化特征分析研究_黎煜满.pdf

第 43 卷第 1 期2023 年 1 月Vol.43，No.1Jan.，2023环境科学学报Acta Scientiae Circumstantiae基于KZ滤波法的韶关市O3不同时间尺度变化特征分析研究黎煜满1，2，李磊1，6，7，谢洁岚1，5，赵伟8，张阿思2，郑昱3，汪海恒4，范绍佳1，6，7，*1.中山大学大气科学学院，珠海 5190822.广东省气象台（南海海洋气象预报中心），广州 5100803.广东省韶关生态环境监测中心站，韶关 5120264.韶关市气象局，韶关 5120005.自然资源部海洋环境探测技术与应用重点实验室，广州 5103006.广东省环珠江口气候环境与空气质量变化野外科学观测研究站，广州 5102757.南方海洋科学与工程广东省实验室（珠海），珠海 5190828.生态环境部华南环境科学研究所，广东省水与大气污染防治重点实验室，广州 510530摘要：利用20152019年韶关市3个地面环境空气质量站逐时臭氧（O3）观测资料、同期的气象资料和20172019年广东南岭站逐时O3观测资料及同期气象资料，采用Kolmogorov-Zurbenko（KZ）滤波、多元回归和后向轨迹潜在来源贡献分析等统计方法，分析了韶关市O3浓度不同尺度变化特征与气象要素的关系.结果表明：不同时间段气象因素对韶关市盆地区域O3浓度变化的影响不同：2015年1月2016年6月及2018年6月2019年6月，气象因素有利于降低近地面O3浓度；而2016年6月2018年6月及2019年下半年，气象因素有利于增加地面O3浓度.2018年6月前，气象因素影响导致近地面O3浓度的增加或降低幅度范围在2 gm-3；2018年6月后，气象因素影响造成地面O3浓度的增加或降低幅度范围上升到4 gm-3，说明韶关市O3受气象因素影响存在增大趋势.南岭山区O3浓度长期维持100 g m-3，气象因素对南岭山区的O3浓度影响小，在西风和山谷风环流影响下，会对韶关市区盆地区域O3长期变化趋势起调节作用.O3短期分量受太阳辐射因子影响较大.污染过程前两天，降水增多，经一天湿清除作用后，污染过程前一天，相对湿度降低，云量减少，日照时间加长，太阳辐射增多，温度上升，降水减少，风速下降等，有利于O3的生成，并经一天O3累积后超出污染阈值.关键词：臭氧（O3）；KZ滤波；气象调整；南岭；韶关市文章编号：0253-2468（2023）01-0128-12 中图分类号：X51 文献标识码：AStudy on variation characteristics of O3 at different time scales in Shaoguan city based on KZ filter methodLI Yuman1，2，LI Lei1，6，7，XIE Jielan1，5，ZHAO Wei8，ZHANG Asi2，ZHENG Yu3，WANG Haiheng4，FAN Shaojia1，6，7，*1.School of Atmospheric Sciences，Sun Yat-sen University，Zhuhai 5190822.Guangdong Meteorological Observatory，Guangzhou 5100803.Shaoguan Ecological Environment Monitoring Center of Guangdong Province，Shaoguan 5120264.Shaoguan Meteorological Bureau，Shaoguan 5120005.Key Laboratory of Marine Environmental Survey Technology and Application，Ministry of Natural Resources，P.R.China，Guangzhou 5103006.Guangdong Provincial Observation and Research Station for Climate Environment and Air Quality Change in the Pearl River Estuary，Guangzhou 5102757.Southern Marine Science and Engineering Guangdong Laboratory（Zhuhai），Zhuhai 5190828.Guangdong Key Laboratory for Water and Air Pollution Control，South China Institute of Environmental Sciences，Ministry of Ecology and Environment，Guangzhou 510530DOI：10.13671/j.hjkxxb.2022.0449黎煜满，李磊，谢洁岚，等.2023.基于KZ滤波法的韶关市O3不同时间尺度变化特征分析研究 J.环境科学学报，43（1）：128-139LI Yuman，LI Lei，XIE Jielan，et al.2023.Study on variation characteristics of O3 at different time scales in Shaoguan city based on KZ filter method J.Acta Scientiae Circumstantiae，43（1）：128-139收稿日期：2022-09-30 修回日期：2022-11-29 录用日期：2022-12-05基金项目：广东省基础与应用基础研究重大项目（No.2020B0301030004）；广东省科技计划项目（科技创新平台类）（No.2019B121201002）作者简介：黎煜满（1997），男，E-mail：；*责任作者，E-mail：1 期黎煜满等：基于KZ滤波法的韶关市O3不同时间尺度变化特征分析研究Abstract：Based on the hourly data of Ozone（O3）and other meteorological elements at three ground-based automatic air quality station during 2015 to 2019 and at Nanling station of Guangdong during 2017 to 2019，respectively，the relation between O3 concentration and other meteorological elements at different scales were analyzed using the statistical metrics such as the Kolmogorog-Zurbenko（KZ）filter，multiple regression and backward trajectory.The results showed that：The effects of meteorological elements on O3 concentration were different in different periods.the meteorological elements were favorable for reducing the O3 concentration near the surface during January-June of 20152016 and June-June of 20182019；The meteorological elements were favorable for increasing the O3 concentration near the surface during June-June of 20162018 and June-December of 2019；The increase or decrease of surface O3 concentration caused by meteorological elements was in the range of 02 g m-3 before June 2018.The increase or decrease of surface O3 concentration caused by meteorological elements increased to 4 g m-3 after June 2018，indicating that the effects of meteorological elements on O3 concentrations in Shaoguan city were enhanced.The concentration of O3 in Nanling station was maintained at 100 g m-3 for a long time.Meteorological elements had little influence on the concentration of O3 variation in the Nanling mountains.Nanling mountains played a regulatory role in the long-term change trend of O3 in the Shaoguan urban city under the influence of the westerly wind and valley wind circulation.The short-term component of O3 was greatly affected by solar radiation factor.The precipitation gave a wet cleaning on the local area which caused a reduction of the pollution process before two days of the pollution day，however，after the precipitation，the lower relative humidity，less cloud cover，longer sunshine duration，more solar radiation，higher temperature and lower wind speed which caused a higher concentration of O3 tended to have a O3 pollution event on the next day.Keywords：ozone（O3）；KZ filter；meteorological adjust；Nanling；Shaoguan1引言（Introduction）臭氧（O3）作为一种强氧化剂，近地面浓度较高时，会通过呼吸系统影响人体健康（Lippmann，1989；Tilton et al.，1989；Monks et al.，2015），减少农作物产量和抑制森林植被生长（Hewitt et al.，1990；Society，2008；Feng et al.，2015）.对流层O3还是一种温室气体，能够影响大气辐射收支（Chen et al.，2007；Chang et al.，2009）.由于O3对空气质量和气候变化的重要性，所以备受学术界和监管部门关注（Swackhamer，1993；Sillman，1999；Chameides et al.，2000）.局地 O