Retrieval of Volcanic Sulfate Aerosols Optical Parameters from AHI Radiometer Data

被引：0

作者：

Andrei, Filei ^{[1
]}

Olga, Girina ^{[2
]}

Aleksei, Sorokin ^{[3
]}

机构：

[1] Far Eastern Ctr State Res Ctr Space Hydrometeorol, Khabarovsk 680000, Russia

[2] Russian Acad Sci, Inst Volcanol Seismol, Far Eastern Branch, Petropavlovsk Kamchatski 683006, Russia

[3] Russian Acad Sci, Far Eastern Branch, Comp Ctr, Khabarovsk 680000, Russia

来源：

ADVANCES IN ATMOSPHERIC SCIENCES | 2024年 / 41卷 / 10期

关键词：

H2SO4; volcano; Himawari-8; mass loading; volcanic ash; optical thickness; the Karymsky volcano; BULK SCATTERING PROPERTIES; RADIATIVE-TRANSFER; MICROPHYSICAL PROPERTIES; SATELLITE-OBSERVATIONS; LAYER HEIGHT; ICE CLOUDS; PART I; SO2; ASH; INFORMATION;

D O I：

10.1007/s00376-024-3105-2

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

This paper presents a method for retrieving optical parameters from volcanic sulfate aerosols from the AHI radiometer on board the Himawari-8 satellite. The proposed method is based on optical models for various mixtures of aerosol components from volcanic clouds, including ash particles, ice crystals, water drops, and sulfate aerosol droplets. The application of multi-component optical models of various aerosol compositions allows for the optical thickness and mass loading of sulfate aerosol to be estimated in the sulfuric cloud formed after the Karymsky volcano eruption on 3 November 2021. A comprehensive analysis of the brightness temperatures of the sulfuric cloud in the infrared bands was performed, which revealed that the cloud was composed of a mixture of sulfate aerosol and water droplets. Using models of various aerosol compositions allows for the satellite-based estimation of optical parameters not only for sulfate aerosol but also for the whole aerosol mixture.

引用

页码：1953 / 1968

页数：16

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