Lidar observation of Asian dust events during the ACE-Asia 2001 IOP at Gosan, Jeju Island, Korea

Chun Sang Hong; Kwon Ho Lee; Young Joon Kim; Sang Woo Kim; Jae Gwang Won; Soon Chang Yoon; Yasunobu Iwasaka

doi:10.1117/12.506665

23 December 2003 Lidar observation of Asian dust events during the ACE-Asia 2001 IOP at Gosan, Jeju Island, Korea

Chun Sang Hong, Kwon Ho Lee, Young Joon Kim, Sang Woo Kim, Jae Gwang Won, Soon Chang Yoon, Yasunobu Iwasaka

Proceedings Volume 5154, Lidar Remote Sensing for Environmental Monitoring IV; (2003) https://doi.org/10.1117/12.506665
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

In general Asian dust storms occurring during the spring season in the northeast Asia play an important role in radiative forcing and regional climate change. In order to investigate the characteristic of optical properties of Asian dust particles atmospheric aerosol vertical profile was measured with a multi-wavelength LIDAR system developed by ADEMRC, K-JIST and a collocated micro-pulse LIDAR (MPL) during the ACE-Asia intensive observation period, 11 March ~ 4 May 2001 at the Gosan super site (33°17'N, 126°10'E) in Jeju Island, Korea. Air mass backward trajectory analysis shows that air masses came from either the northwestern Chinese desert regions or northeastern Chinese sandy areas. It has been shown that combining the LIDAR data and back trajectory analysis can assess the transport characteristics of atmospheric aerosol during the Asian dust events. The LIDAR-derived aerosol optical depth values were compared with those measured by a collocated AERONET sun photometer. Relationship between the LIDAR data and chemical data of atmospheric particulate matters observed at the surface has been analyzed.

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Chun Sang Hong, Kwon Ho Lee, Young Joon Kim, Sang Woo Kim, Jae Gwang Won, Soon Chang Yoon, and Yasunobu Iwasaka "Lidar observation of Asian dust events during the ACE-Asia 2001 IOP at Gosan, Jeju Island, Korea", Proc. SPIE 5154, Lidar Remote Sensing for Environmental Monitoring IV, (23 December 2003); https://doi.org/10.1117/12.506665

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KEYWORDS

Aerosols

LIDAR

Atmospheric particles

Atmospheric monitoring

Backscatter

Atmospheric optics

Signal detection

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