Abstract:
This dataset contains the mean position of the Southern Antarctic Circumpolar Current front (SACCF) in the Scotia Sea, southwest Atlantic sector of the Southern Ocean. The location of the front was determined from analysis of the geopotential anomaly field calculated from quality-controlled potential temperature and salinity data from the World Ocean Database 1998 (Levitus et al., 1998) supplemented by an additional hydrographic profile obtained from the Scripps Institute of Oceanography, as detailed by Thorpe (2001) and Thorpe et al. (2002). The geopotential anomaly data were gridded at a horizontal resolution of one quarter degree and spanned the period 1911-1990.
The front position was generated as part of a studentship awarded to SE Thorpe, funded by the Natural Environment Research Council with CASE support from the British Antarctic Survey. The studentship was supervised by KJ Heywood, MA Brandon and DP Stevens.
Keywords:
Antarctic Circumpolar Current, Scotia Sea, South Georgia, hydrography, ocean front, southwest Atlantic
Thorpe, S., Heywood, K., Brandon, M., & Stevens, D. (2017). Mean position of the Southern Antarctic Circumpolar Current Front in the Scotia Sea, Southern Ocean (Version None) [Data set]. Polar Data Centre; British Antarctic Survey, Natural Environment Research Council; Cambridge, CB3 0ET, UK.. https://doi.org/10.5285/833dc1aa-5774-48c2-8d3c-1a1dc0a9858c
| Use Constraints: | Data released under Open Government Licence V3.0: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ |
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| Creation Date: | 2017-11-28 |
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| Dataset Progress: | Complete |
| Dataset Language: | English |
| ISO Topic Categories: |
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| Parameters: |
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| Personnel: | |
| Name | Dr Petra ten Hoopen |
| Role(s) | Metadata Author |
| Organisation | British Antarctic Survey |
| Name | Prof Karen Heywood |
| Role(s) | Investigator |
| Organisation | University of East Anglia |
| Name | Dr Sally Thorpe |
| Role(s) | Investigator |
| Organisation | British Antarctic Survey |
| Name | Dr MA Brandon |
| Role(s) | Investigator |
| Organisation | Open University |
| Name | Dr David P Stevens |
| Role(s) | Investigator |
| Organisation | University of East Anglia |
| Parent Dataset: | N/A |
| Reference: | Levitus, S., Boyer, T.P., Conkright, M.E., O'Brien, T., Antonov, J., Stephens, C., Stathoplos, L., Johnson, D., Gelfeld, R., 1998. World Ocean Database 1998. Vol. 1: Introduction. NOAA Atlas NESDIS 18. U.S. Gov. Printing Off., Washington, DC. 346 pp. Thorpe, S.E., 2001. Variability of the southern Antarctic Circumpolar Current in the Scotia Sea and its implications for transport to South Georgia. PhD thesis, University of East Anglia, Norwich, UK, 212 pp. Thorpe, S.E., Heywood, K.J., Brandon, M.A., Stevens, D.P. (2002) Variability of the southern Antarctic Circumpolar Current front north of South Georgia. Journal of Marine Systems, 37. 87-105. https://doi.org/10.1016/S0924-7963(02)00197-5 |
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| Quality: | Quality control procedures for the data in the World Ocean Atlas 1998 are detailed by Levitus et al (1998). The frontal position analysis in this study required profiles to have measurements from the upper 1000 m of the water column; stations shallower than this, or with insufficient vertical resolution for the study, were excluded. | |
| Lineage: | The dataset was derived from data contained in the World Ocean Database 1998 (Levitus et al, 1998) supplemented by an additional hydrographic profile obtained from the Scripps Institute of Oceanography. Full details of the method used to determine the front position is given by Thorpe (2001) and Thorpe et al (2002). | |
| Temporal Coverage: | |
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| Start Date | 1911-01-01 |
| End Date | 1990-12-31 |
| Spatial Coverage: | |
| Latitude | |
| Southernmost | -63 |
| Northernmost | -51 |
| Longitude | |
| Westernmost | -65 |
| Easternmost | -31 |
| Altitude | |
| Min Altitude | N/A |
| Max Altitude | N/A |
| Depth | |
| Min Depth | N/A |
| Max Depth | N/A |
| Location: | |
| Location | Southern Ocean |
| Detailed Location | Scotia Sea |
| Location | Southern Ocean |
| Detailed Location | southwest Atlantic sector of the Southern Ocean |
| Location | Southern Ocean |
| Detailed Location | South Georgia |
| Data Collection: | The dataset was derived from data contained in the World Ocean Database 1998 (Levitus et al, 1998) supplemented by an additional hydrographic profile obtained from the Scripps Institute of Oceanography. For full details see Thorpe et al (2002). |
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