We performed MAX-DOAS measurements during the PRiDe-PRD2006 campaign in the Pearl River Delta region 50 km north of Guangzhou, China, for 4 weeks in June 2006. We used an instrument sampling at 7 different elevation angles between 3° and 90°. During 9 cloud-free days, differential slant column densities (DSCDs) of O4 (O2 dimer) absorptions between 351 nm and 389 nm were evaluated for 6 elevation angles. Here, we show that radiative transfer modeling of the DSCDS can be used to retrieve the aerosol extinction and the height of the boundary layer. A comparison of the aerosol extinction with simultaneously recorded, ground based nephelometer data shows excellent agreement.
CITATION STYLE
Li, X., Brauers, T., Shao, M., Garland, R. M., Wagner, T., Deutschmann, T., & Wahner, A. (2010). MAX-DOAS measurements in southern China: Retrieval of aerosol extinctions and validation using ground-based in-situ data. Atmospheric Chemistry and Physics, 10(5), 2079–2089. https://doi.org/10.5194/acp-10-2079-2010
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