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Comparison of High-latitude Line-of-sight Ozone Column Density with Derived Ozone Fields and the Effects of Horizontal Inhomogeneity : Volume 5, Issue 6 (14/11/2005)

By Swartz, W. H.

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Book Id: WPLBN0003977390
Format Type: PDF Article :
File Size: Pages 26
Reproduction Date: 2015

Title: Comparison of High-latitude Line-of-sight Ozone Column Density with Derived Ozone Fields and the Effects of Horizontal Inhomogeneity : Volume 5, Issue 6 (14/11/2005)  
Author: Swartz, W. H.
Volume: Vol. 5, Issue 6
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2005
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Randall, C. E., Swartz, W. H., Shetter, R. E., Yee, J., Mcgee, T. J., Burris, J. F.,...Avery, M. A. (2005). Comparison of High-latitude Line-of-sight Ozone Column Density with Derived Ozone Fields and the Effects of Horizontal Inhomogeneity : Volume 5, Issue 6 (14/11/2005). Retrieved from http://worldlibrary.net/


Description
Description: The Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA. Extensive ozone measurements were made during the second SAGE III Ozone Loss and Validation Experiment (SOLVE II). We compare high-latitude line-of-sight (LOS) slant column ozone measurements from the NASA DC-8 to ozone simulated by forward integration of measurement-derived ozone fields constructed both with and without the assumption of horizontal homogeneity. The average bias and rms error of the simulations assuming homogeneity are relatively small (−6 and 10%, respectively) in comparison to the LOS measurements. The comparison improves significantly (−2% bias; 8% rms error) using forward integrations of three-dimensional proxy ozone fields reconstructed from potential vorticity-O3 correlations. The comparisons provide additional verification of the proxy fields and quantify the influence of large-scale ozone inhomogeneity. The spatial inhomogeneity of the atmosphere is a source of error in the retrieval of trace gas vertical profiles and column abundance from LOS measurements, as well as a complicating factor in intercomparisons that include LOS measurements at large solar zenith angles.

Summary
Comparison of high-latitude line-of-sight ozone column density with derived ozone fields and the effects of horizontal inhomogeneity

 

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