© Author(s) 2008. This work is distributed under the Creative Commons Attribution 3.0 License. Atmospheric Chemistry and Physics Intercomparison of UV-visible measurements of ozone and NO2 during the Canadian Arctic ACE validation campaigns: 2004–2006

Abstract. The first three Canadian Arctic ACE valida-tion campaigns were held during polar sunrise at Eureka, Nunavut, Canada (80 ◦ N, 86 ◦ W) from 2004 to 2006 in sup-port of validation of the ACE (Atmospheric Chemistry Ex-periment) satellite mission. Three or four zenith-sky view-ing UV-visible sp...

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Bibliographic Details
Main Authors: T. E. Kerzenmacher, G. L. Manney, C. T. Mcelroy, C. Midwinter, C. A. Mclinden, F. Nichitiu, C. R. Nowlan, J. Walker, K. A. Walker, H. Wu, J. Zou
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2008
Subjects:
Arctic
Canada
Eureka
Nunavut
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.592.7309
http://hal.archives-ouvertes.fr/docs/00/32/85/74/PDF/acp-8-1763-2008.pdf
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Summary:Abstract. The first three Canadian Arctic ACE valida-tion campaigns were held during polar sunrise at Eureka, Nunavut, Canada (80 ◦ N, 86 ◦ W) from 2004 to 2006 in sup-port of validation of the ACE (Atmospheric Chemistry Ex-periment) satellite mission. Three or four zenith-sky view-ing UV-visible spectrometers have taken part in each of the three campaigns. The differential slant column densities and vertical column densities of ozone and NO2 from these in-struments have been compared following the methods of the UV-visible Working Group of the NDACC (Network for De-tection of Atmospheric Composition Change). The instru-ments are found to partially agree within the required accu-racies for both species, although both the vertical and slant column densities are more scattered than required. This might be expected given the spatial and temporal variabil-

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