Observed radiative effects caused by yellow dust aerosol at Sendai

Shuichiro Katagiri; Kyohei Yamada; Atsushi Shimizu; Tadahiro Hayasaka; Nobuo Sugimoto; Tamio Takamura

doi:10.1117/12.977300

8 November 2012 Observed radiative effects caused by yellow dust aerosol at Sendai

Shuichiro Katagiri, Kyohei Yamada, Atsushi Shimizu, Tadahiro Hayasaka, Nobuo Sugimoto, Tamio Takamura

Proceedings Volume 8523, Remote Sensing of the Atmosphere, Clouds, and Precipitation IV; 85230X (2012) https://doi.org/10.1117/12.977300
Event: SPIE Asia-Pacific Remote Sensing, 2012, Kyoto, Japan

Abstract

A yellow dust event with moderate strength was observed on 9 April 2012 at Sendai in North part of Japan. Backward trajectory calculations with NOAA HYSPLIT showed the complex flow of aerosols into the North Japan. The sharp edge of this dust cloud was recognized by the data taken at several observatories, and the dust cloud conducted by low pressure system had heterogeneous structure, therefore very complicated interaction among aerosols may occur. Mie scattering lidar data was used to reproduce the radiative effect caused by this yellow dust event at Sendai with radiative transfer model. The results estimated every 15 minutes of radiative forcing at the top of the atmosphere and at the bottom of the atmosphere. The results show the slight warming effects < 6.5 W/m² during night time both at the top and the bottom of the atmosphere, and during day time the large cooling effects < 150 W/m² at the bottom and < 60W/m² at the top of the atmosphere.

Citation Download Citation

Shuichiro Katagiri, Kyohei Yamada, Atsushi Shimizu, Tadahiro Hayasaka, Nobuo Sugimoto, and Tamio Takamura "Observed radiative effects caused by yellow dust aerosol at Sendai", Proc. SPIE 8523, Remote Sensing of the Atmosphere, Clouds, and Precipitation IV, 85230X (8 November 2012); https://doi.org/10.1117/12.977300

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