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Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall
Bibliography: p. 293-304.
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| Format: | Thesis |
| Language: | English |
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Department of Environmental and Geographical Science
2014
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| _version_ | 1867613224536375296 |
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| access_status_str | Open Access |
| author | Hudson, Debra Alison |
| author2 | Hewitson, Bruce |
| author_browse | Hewitson, Bruce Hudson, Debra Alison |
| author_facet | Hewitson, Bruce Hudson, Debra Alison |
| author_sort | Hudson, Debra Alison |
| collection | Thesis |
| description | Bibliography: p. 293-304. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/9682 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:44.899Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2014 |
| publishDateRange | 2014 |
| publishDateSort | 2014 |
| publisher | Department of Environmental and Geographical Science |
| publisherStr | Department of Environmental and Geographical Science |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/9682 Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall Hudson, Debra Alison Hewitson, Bruce Environmental and Geographical Science Bibliography: p. 293-304. The study examines the response of an atmospheric general circulation model (OCM) to a reduction in Antarctic sea-ice extent during summer and winter, with emphasis on non-polar and southern African climates. Following an evaluation of the OCM, the control and perturbation simulations are analysed. The controls are forced by prescribed, observed sea surface temperatures (SSTs) and sea-ice extents, while in the perturbation simulations sea-ice is reduced and replaced with SSTs. The introduced anomalies are derived from an algorithm based on observed ice variability. The simulations are restarts of an AMIP (Atmospheric Model Intercomparison Project) configured simulation, and two summers (1979/80 and 1984185) and two winters (1980 and 1985) have been selected for the study. Three replicates have been performed for each time period for both the control and perturbation conditions. 2014-11-16T20:00:56Z 2014-11-16T20:00:56Z 1998 Doctoral Thesis Doctoral PhD http://hdl.handle.net/11427/9682 eng application/pdf Department of Environmental and Geographical Science Faculty of Science University of Cape Town |
| spellingShingle | Environmental and Geographical Science Hudson, Debra Alison Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall |
| thesis_degree_str | Doctoral |
| title | Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall |
| title_full | Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall |
| title_fullStr | Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall |
| title_full_unstemmed | Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall |
| title_short | Antarctic sea-ice extent, Southern hemisphere circulation and South African rainfall |
| title_sort | antarctic sea ice extent southern hemisphere circulation and south african rainfall |
| topic | Environmental and Geographical Science |
| url | http://hdl.handle.net/11427/9682 |
| work_keys_str_mv | AT hudsondebraalison antarcticseaiceextentsouthernhemispherecirculationandsouthafricanrainfall |