2023年8月6日德州地震地-气耦合响应分析  

Lithosphere-Atmosphere Coupled Responses Analysis Associated with Dezhou Earthquake of 6 August 2023

作　　者：褚颖佳 马蕾 郝勇 范梦奇 CHU Yingjia;MA Lei;HAO Yong;FAN Mengqi(Shandong Key Laboratory of Meteorological Disaster Prevention and Reduction,Jinan 250031,China;Jinan Meteorological Bureau,Jinan 250031,China;Qingdao Leice Technology Co.Ltd.,Qingdao 266101,Shangdong China)

机构地区：[1]山东省气象防灾减灾重点实验室,济南250031 [2]济南市气象局,济南250102 [3]青岛镭测创芯科技有限公司,山东青岛266101

出　　处：《河南科学》2024年第5期714-719,共6页Henan Science

基　　金：山东省气象局面上项目(2022sdqxm07)。

摘　　要：为探究2023年8月6日德州5.5级地震与大气参数之间的相关性,利用NCEP/NCAR再分析资料、多普勒测风激光雷达以及Sentinel-5P卫星遥感资料对地震前后地表潜热通量、气溶胶光学厚度和CO柱浓度进行研究.结果发现:①地震前3d地表潜热通量(SLHF)出现一个高峰,峰值接近2018—2022年SLHF的平均值与标准差之和.②德州地震前3h内大气气溶胶的状态极不稳定,气溶胶光学厚度(AOD)变化异常显著,地震的影响逐渐消除后,恢复至震前水平.③与地震前相比,CO柱浓度在地震后明显增加,升高趋势出现在地震的前两天.这些大气参数的异常特征表明,德州地震发生前后岩石圈和大气层之间有相互耦合的联系.In order to explore the relationship between atmospheric parameters and Dezhou earthquake(Mw 5.5)of 6 August 2023,the variation of surface latent heat flux,aerosol optical depth and carbonmonoxide total column concentration,were obtained by using NCEP/NCAR,doppler wind lidar and Sentinel-5P around earthquake.The results show as follows:①A peak of surface latent heat flux(SLHF)was observed three days prior to the earthquake.This peak was approximately equal to the sum of mean and standard deviation of 2018-2022.②Atmospheric aerosols was extremely unstable within 3 hours before earthquake,the variation of aerosol optical depth(AOD)was very distinct.However,AOD decreases and returns stable when influence of earthquake eliminate.③Carbon monoxide total column concentration keeped obvious increase throughout the earthquake event,main trend was observed two days prior to the earthquake.The changes of atmospheric parameters indicate that there are coupled responses between lithosphere and atmosphere associated with the Dezhou earthquake.

关 键 词：德州地震 地表潜热通量 气溶胶光学厚度 CO柱浓度 

分 类 号：P315.7[天文地球—地震学]