Optical depths and vertical profiles of stratospheric aerosol based on multi-year polarization measurements of the twilight sky

被引：1
|
作者：
Ugolnikov, O. S. [1 ]
Maslov, I. A. [1 ,2 ]
机构：
[1] Russian Acad Sci, Space Res Inst, 84-32 Profsoyuznaya St, Moscow 117997, Russia
[2] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, 13 Univ Per, Moscow 119234, Russia
来源：
JOURNAL OF AEROSOL SCIENCE | 2019年 / 127卷
基金：
俄罗斯基础研究基金会;
关键词：
Stratospheric aerosol; Trend; Scattering; Polarization; LAYER; MESOSPHERE; IMPACT;
D O I：
10.1016/j.jaerosci.2018.10.006
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The method of detection of light scattering on stratospheric aerosol particles on the twilight sky background is considered. It is based on the data on sky intensity and polarization in the solar vertical at zenith distances of up to 50 degrees from the sunset fill the moment of the Sun depression to 8 degrees below the horizon. The measurements conducted in central Russia since 2011 had shown the negative trend of stratospheric aerosol content, this can be related with the relaxation of the stratosphere after the number of volcanic eruptions during the first decade of XXI century.
引用
收藏
页码：93 / 101
页数：9
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