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| Ozone mixing ratio (ppbv) Jul - Aug 2004 | Ozone mixing ratio (ppbv) Aug 2006 | |
| Daily cross-sections of O3 mixing ratios (in ppbv) from Sable Island during the IONS programs of 2004 (July 4 - August 4) and 2006 (August 1-31). The dark red values indicate the high mixing ratios of stratospheric O3, while the blues and purples indicate lower levels of O3. Overviews of the season, including cross-sections of vertical profiles over the whole season, allow for day-to-day, site-to-site, and year-to-year comparisons of O3. [Figure Anne Thompson, Penn State University] | ||