References

ACP

Atmospheric Chemistry and Physics

ACP

1680-7324

Copernicus GmbH

Göttingen, Germany

10.5194/acp-10-2079-2010

MAX-DOAS measurements in southern China: retrieval of aerosol extinctions and validation using ground-based in-situ data

¹ ² Brauers

² Shao

¹ Garland

R. M.

³ Wagner

⁴ Deutschmann

⁵ Wahner

College of Environmental Sciences and Engineering, Peking University, Beijing, China

Institute for Chemistry and Dynamics of the Geosphere (ICG-2), Forschungszentrum Jülich, Germany

Biogeochemistry Department, Max Planck Institute for Chemistry, Mainz, Germany

Satellite Group, Max Planck Institute for Chemistry, Mainz, Germany

Institute for Environmental Physics, Universität Heidelberg, Heidelberg, Germany

01 03 2010

10 5 2079 2089

This is an open-access article ditributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

This article is available from http://www.atmos-chem-phys.net/10/2079/2010/acp-10-2079-2010.html

The full text article is available as a PDF file from http://www.atmos-chem-phys.net/10/2079/2010/acp-10-2079-2010.pdf

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 O<sub>4</sub> (O<sub>2</sub> 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.

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