{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/4860"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/4860","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Sea surface temperature anomalies in the South Indian ocean : observations and atmospheric modelling","abstract":"Sea surface temperature (SSTs) variations in the South Indian Ocean have been found to influence rainfall over Southern Africa. As one of the modes of South Indian Ocean SST variability, the subtropical South Indian Ocean dipole is observed to be associated with dry and wet summer conditions over Southern Africa. The positive phase of the subtropical South Indian Ocean dipole is characterized by warm SST anomalies in the southwest South Indian Ocean and cool SST anomalies in the southeast. This phase is associated with above average summer rainfall over the subcontinent. The negative phase is associated with dry conditions over Southern Africa and is characterized by cool SST anomalies in the southwest and warm anomalies in the southeast South Indian Ocean. In order to investigate the atmospheric response over Southern Africa to this phenomenon, this study uses the MM5 regional climate model in which the model is forced with a warm pole SST anomaly south of Madagascar.","abstract_html":"Sea surface temperature (SSTs) variations in the South Indian Ocean have been found to influence rainfall over Southern Africa. As one of the modes of South Indian Ocean SST variability, the subtropical South Indian Ocean dipole is observed to be associated with dry and wet summer conditions over Southern Africa. The positive phase of the subtropical South Indian Ocean dipole is characterized by warm SST anomalies in the southwest South Indian Ocean and cool SST anomalies in the southeast. This phase is associated with above average summer rainfall over the subcontinent. The negative phase is associated with dry conditions over Southern Africa and is characterized by cool SST anomalies in the southwest and warm anomalies in the southeast South Indian Ocean. In order to investigate the atmospheric response over Southern Africa to this phenomenon, this study uses the MM5 regional climate model in which the model is forced with a warm pole SST anomaly south of Madagascar.","abstract_has_math":false,"creators":["Hansingo, Kabumbwe"],"institution":"Department of Environmental and Geographical Science","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Reason, Chris"],"committee_chairs":[],"committee_members":[],"year":2003,"date_issued":"2003","date_published":"2003","updated_at":"2026-07-22T22:23:09Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/4860","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Reason, Chris"]},{"key":"dc:creator","label":"Author","values":["Hansingo, Kabumbwe"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-07-31T08:04:58Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-07-31T08:04:58Z"]},{"key":"dc:date.issued","label":"Date","values":["2003"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Environmental and Geographical Science"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/4860"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: leaves 146-155."]},{"key":"dc:description.abstract","label":"Abstract","values":["Sea surface temperature (SSTs) variations in the South Indian Ocean have been found to influence rainfall over Southern Africa. As one of the modes of South Indian Ocean SST variability, the subtropical South Indian Ocean dipole is observed to be associated with dry and wet summer conditions over Southern Africa. The positive phase of the subtropical South Indian Ocean dipole is characterized by warm SST anomalies in the southwest South Indian Ocean and cool SST anomalies in the southeast. This phase is associated with above average summer rainfall over the subcontinent. The negative phase is associated with dry conditions over Southern Africa and is characterized by cool SST anomalies in the southwest and warm anomalies in the southeast South Indian Ocean. In order to investigate the atmospheric response over Southern Africa to this phenomenon, this study uses the MM5 regional climate model in which the model is forced with a warm pole SST anomaly south of Madagascar."]},{"key":"dc:title","label":"Title","values":["Sea surface temperature anomalies in the South Indian ocean : observations and atmospheric modelling"]}]}],"canonical_facts":{"dc:contributor.advisor":["Reason, Chris"],"dc:creator":["Hansingo, Kabumbwe"],"dc:date.accessioned":["2014-07-31T08:04:58Z"],"dc:date.available":["2014-07-31T08:04:58Z"],"dc:date.issued":["2003"],"dc:description":["Bibliography: leaves 146-155."],"dc:description.abstract":["Sea surface temperature (SSTs) variations in the South Indian Ocean have been found to influence rainfall over Southern Africa. As one of the modes of South Indian Ocean SST variability, the subtropical South Indian Ocean dipole is observed to be associated with dry and wet summer conditions over Southern Africa. The positive phase of the subtropical South Indian Ocean dipole is characterized by warm SST anomalies in the southwest South Indian Ocean and cool SST anomalies in the southeast. This phase is associated with above average summer rainfall over the subcontinent. The negative phase is associated with dry conditions over Southern Africa and is characterized by cool SST anomalies in the southwest and warm anomalies in the southeast South Indian Ocean. In order to investigate the atmospheric response over Southern Africa to this phenomenon, this study uses the MM5 regional climate model in which the model is forced with a warm pole SST anomaly south of Madagascar."],"dc:identifier.uri":["http://hdl.handle.net/11427/4860"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Environmental and Geographical Science"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Sea surface temperature anomalies in the South Indian ocean : observations and atmospheric modelling"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:09Z"}