Articles | Volume 8, issue 11
https://doi.org/10.5194/amt-8-4755-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-8-4755-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
11 Nov 2015
Research article |
| 11 Nov 2015
Spectral aerosol extinction (SpEx): a new instrument for in situ ambient aerosol extinction measurements across the UV/visible wavelength range
Institute for the Study of Earth, Oceans, & Space, University of New Hampshire, Durham, NH, USA
now at: National Institute of Aerospace, Hampton, VA, USA
B. E. Anderson
NASA Langley Research Center, Hampton, VA, USA
A. J. Beyersdorf
NASA Langley Research Center, Hampton, VA, USA
C. A. Corr
NASA Langley Research Center, Hampton, VA, USA
Oak Ridge Associated Universities, Oak Ridge, TN, USA
J. E. Dibb
Institute for the Study of Earth, Oceans, & Space, University of New Hampshire, Durham, NH, USA
M. E. Greenslade
Department of Chemistry, University of New Hampshire, Durham, NH, USA
R. F. Martin
NASA Langley Research Center, Hampton, VA, USA
R. H. Moore
NASA Langley Research Center, Hampton, VA, USA
E. Scheuer
Institute for the Study of Earth, Oceans, & Space, University of New Hampshire, Durham, NH, USA
M. A. Shook
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
K. L. Thornhill
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
D. Troop
Southwest Research Institute, Durham, NH, USA
E. L. Winstead
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
L. D. Ziemba
NASA Langley Research Center, Hampton, VA, USA
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Latest update: 08 Nov 2025
Short summary
We describe a new instrument developed to observe ambient atmospheric aerosol extinction spectra from 300 to 700nm. Laboratory tests were performed to demonstrate that the instrument compares well with theoretical calculations over that spectral range, as well as with commercially available instrumentation measuring aerosol extinction at three visible wavelengths. The unique spectral data will be used to explore linkages between ambient aerosol optical properties, chemistry, and microphysics.
We describe a new instrument developed to observe ambient atmospheric aerosol extinction spectra...
