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Winkler, Peter (2022): Wet chemical surface ozone measurements during POLARSTERN cruise ANT-III/2 (PS06) in 1984 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.945301

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Abstract:
On the outward journey an ozone minimum was encountered at the ITCZ, as is typical for high levels of solar radiation and low vertical exchange. Under such conditions, ozone can be depleted by photolysis, but cannot be replaced due to weak vertical exchange. On the return voyage, two ozone peaks occurred at and north of the ITCZ. According to Class and Ballschmiter (1986) who measured some organic trace gases, the ITCZ consisted of two branches found at 2°S and 2°N. The noticeable ozone peaks may have been caused by strong vertical exchange, with ozone being mixed down from the upper troposphere. In some cases, clear daily variations were recorded during the journey.
Related to:
Winkler, Peter (2022): Messungen des oberflächennahen Ozons an Bord von Forschungsschiffen im Atlantik und an der Georg-von-Neumayer-Station in der Antarktis von 1977 bis 1996. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 760, 163 pp, https://doi.org/10.48433/BzPM_0760_2022
Coverage:
Median Latitude: -60.072266 * Median Longitude: -58.267773 * South-bound Latitude: -63.500000 * West-bound Longitude: -70.300000 * North-bound Latitude: -52.300000 * East-bound Longitude: -54.200000
Date/Time Start: 1984-11-15T01:00:00 * Date/Time End: 1984-12-07T20:00:00
Event(s):
PS06/2-track * Latitude Start: -53.144700 * Longitude Start: -70.909100 * Latitude End: -53.144700 * Longitude End: -70.909100 * Date/Time Start: 1984-11-14T12:00:00 * Date/Time End: 1984-12-07T21:00:00 * Campaign: ANT-III/2 (PS06) * Basis: Polarstern * Method/Device: Underway cruise track measurements (CT)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeWinkler, PeterGeocode – UTC
2OzoneO3ppbvWinkler, PeterElectrochemical concentration cell (ECC) (Atmannspacher 1971)
3LATITUDELatitudeWinkler, PeterGeocode
4LONGITUDELongitudeWinkler, PeterGeocode
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
512 data points

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