Correlation between the mass concentrations of suspended particles PM10 and PM2.5 and aerosol optical depth in the coastal zone of Lake Baikal

被引：0
|
作者：
Dementeva, A. L. [1 ]
Zhamsueva, G. S. [1 ]
Zayakhanov, A. S. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Phys Mat Sci, 6 Sakhyanovoy St, Ulan Ude, Russia
来源：
27TH INTERNATIONAL SYMPOSIUM ON ATMOSPHERIC AND OCEAN OPTICS, ATMOSPHERIC PHYSICS | 2021年 / 11916卷
关键词：
aerosol optical depth; Baikal; atmosphere; sun photometer; mass concentration of PM10 (PM2.5); SMOKE;
D O I：
10.1117/12.2603456
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The paper presents the results of measurements of aerosol optical depth (AOD) and mass concentration of fine aerosols PM2.5 and PM10 in the coastal zone of Lake Baikal during summer of 2020. During period of high aerosol turbidity of the atmosphere, a relationship was revealed between variations in the spectral characteristics of the aerosol optical depth and the mass concentration of PM2.5 and PM10. With dense filling of the atmosphere with smoke aerosol from 10 to 14 August, a sharp increase in AOD (tau(0.5)> 0.47) at st. Boyarsk to the absolute maximum on August 11 (tau(0.5)> 0.57) was noted. At the same time, an increase in the mass concentrations of PM2.5 (19-24 mu g/m(3)) and PM10 (42-59 mu g/m(3)) was recorded. The correlation coefficient between the mass concentration of PN10 (PM2.5) and AOD was 0.87 (0.86).
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页数：4
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