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Atmospheric Carbonyl Sulfide (Ocs) Variation From 1992-2004 By Ground-Based Solar Ftir Spectrometry, Nicholas M. Deutscher, Nicholas B. Jones, David W. Griffith, S. W. Wood, F Murcray
Atmospheric Carbonyl Sulfide (Ocs) Variation From 1992-2004 By Ground-Based Solar Ftir Spectrometry, Nicholas M. Deutscher, Nicholas B. Jones, David W. Griffith, S. W. Wood, F Murcray
Faculty of Science - Papers (Archive)
Analysis of ground-based high-resolution solar FTIR absorption spectra from four sites was performed to determine trends and variability in OCS columns over the period 1992–2004. The sites were Wollongong, Australia (34.45° S, 150.88° E), Lauder, New Zealand (45.0° S, 169.7° E), Arrival Heights, Antarctica (77.8° S, 166.6° E) and Mauna Loa, Hawaii (19.5° N, 155.6° W). Small but significant long-term trends of −0.18±0.02% yr-1 above Hawaii, −0.30±0.12% yr-1 above Wollongong and −0.29±0.14% yr-1 above Lauder, were seen. No significant trend was seen above Arrival Heights. A large peak-to-peak seasonal difference observed in 1996–1997 above Wollongong and reported …