Optical properties of volcanic aerosols from eruptions of Nishinoshima Island observed in Southern Taiwan

Nee Jan-Bai; Chang Yuan-Pin; Wang Chia C.

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Optical properties of volcanic aerosols from eruptions of Nishinoshima Island observed in Southern Taiwan

机译：台湾南部观察到Nishinoshima Island火山喷发火山气溶胶的光学性质

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In July-August 2020, the volcano on Nishinoshima Island erupted with a moderate scale. The emitted aerosols arrived in Taiwan in early August and caused hazy air conditions in a few cities. In the city of Kaohsiung (KS) in southern Taiwan, the volcanic aerosols were observed with a combination of the aerosol robotic network (AERONET), several ground monitoring stations, and a lidar system. Increasing aerosol loadings were observed, beginning on 5 August 2020, based on a ground PM10/PM2.5 and the aerosol optical depth (AOD) of AERONET. Lidar measurements showed strong aerosol layers at heights of 0-2 km comparable to AERONET AOD. Optical properties including AOD, Angstrom exponent (AE), lidar backscattering coefficient, and depolarization ratio are measured with the source investigated using the back and forward trajectory studies. (C) 2021 Optical Society of America

机译：2020年7月至8月，西岛火山以中等规模喷发。排放的气溶胶于8月初抵达台湾，并在一些城市造成了雾霾天气。在台湾南部的高雄市，利用气溶胶机器人网络（AERONET）、多个地面监测站和一个激光雷达系统对火山气溶胶进行了观测。从2020年8月5日开始，根据地面PM10/PM2，观察到气溶胶负荷增加。5和AERONET的气溶胶光学厚度（AOD）。激光雷达测量显示，在0-2km的高度有强气溶胶层，与AERONET AOD相当。通过前后轨迹研究测量了光源的光学特性，包括AOD、Angstrom指数（AE）、激光雷达后向散射系数和去极化率。（2021）美国光学学会

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《Applied optics》 |2021年第15期|共4页
作者
Nee Jan-Bai; Chang Yuan-Pin; Wang Chia C.;
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Natl Sun Yat Sen Univ Aerosol Sci Res Ctr 70 Lien Hai Rd Kaohsiung 80424 Taiwan;

Natl Sun Yat Sen Univ Aerosol Sci Res Ctr 70 Lien Hai Rd Kaohsiung 80424 Taiwan;

Natl Sun Yat Sen Univ Aerosol Sci Res Ctr 70 Lien Hai Rd Kaohsiung 80424 Taiwan;

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Optical properties of volcanic aerosols from eruptions of Nishinoshima Island observed in Southern Taiwan

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