{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/22468"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/22468","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"A holocene sea surface temperature record in mollusc shells from the South African coast","abstract":"This thesis describes the construction of a Holocene history of sea surface temperatures in coastal regions of the southern Benguela and eastern Agulhas Bank of South Africa, using marine mollusc shells preserved in archaeological middens. Two independent palaeothermometers were employed: the traditional oxygen isotope technique and a new, alternative technique based on temperature-dependent changes in structure and mineralogy of the shell of a South African limpet species, Patella granularis. 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The relationship between the isotopic and structural aspects of shell composition, and habitat temperature was confirmed through examination of living populations.","abstract_has_math":false,"creators":["Cohen, Anne Louise"],"institution":"Department of Archaeology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Van der Merwe, Nikolaas","Branch, George"],"committee_chairs":[],"committee_members":[],"year":1993,"date_issued":"1993","date_published":"1993","updated_at":"2026-07-22T22:23:26Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/22468","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Van der Merwe, Nikolaas","Branch, George"]},{"key":"dc:creator","label":"Author","values":["Cohen, Anne Louise"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-11-10T06:47:02Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-11-10T06:47:02Z"]},{"key":"dc:date.issued","label":"Date","values":["1993"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Archaeology"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["PhD"]}]},{"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/11427/22468"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Summary in English.","Bibliography: pages 140-163."]},{"key":"dc:description.abstract","label":"Abstract","values":["This thesis describes the construction of a Holocene history of sea surface temperatures in coastal regions of the southern Benguela and eastern Agulhas Bank of South Africa, using marine mollusc shells preserved in archaeological middens. Two independent palaeothermometers were employed: the traditional oxygen isotope technique and a new, alternative technique based on temperature-dependent changes in structure and mineralogy of the shell of a South African limpet species, Patella granularis. The relationship between the isotopic and structural aspects of shell composition, and habitat temperature was confirmed through examination of living populations."]},{"key":"dc:title","label":"Title","values":["A holocene sea surface temperature record in mollusc shells from the South African coast"]}]}],"canonical_facts":{"dc:contributor.advisor":["Van der Merwe, Nikolaas","Branch, George"],"dc:creator":["Cohen, Anne Louise"],"dc:date.accessioned":["2016-11-10T06:47:02Z"],"dc:date.available":["2016-11-10T06:47:02Z"],"dc:date.issued":["1993"],"dc:description":["Summary in English.","Bibliography: pages 140-163."],"dc:description.abstract":["This thesis describes the construction of a Holocene history of sea surface temperatures in coastal regions of the southern Benguela and eastern Agulhas Bank of South Africa, using marine mollusc shells preserved in archaeological middens. Two independent palaeothermometers were employed: the traditional oxygen isotope technique and a new, alternative technique based on temperature-dependent changes in structure and mineralogy of the shell of a South African limpet species, Patella granularis. The relationship between the isotopic and structural aspects of shell composition, and habitat temperature was confirmed through examination of living populations."],"dc:identifier.uri":["http://hdl.handle.net/11427/22468"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Archaeology"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["A holocene sea surface temperature record in mollusc shells from the South African coast"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:23:26Z"}