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  4. Atlantic Water advection and glacier responses at the margins of Svalbard since the deglaciation
 
Zitierlink URN
https://nbn-resolving.de/urn:nbn:de:gbv:46-00106355-14

Atlantic Water advection and glacier responses at the margins of Svalbard since the deglaciation

Veröffentlichungsdatum
2017-11-08
Autoren
Bartels, Martin  
Betreuer
Hebbeln, Dierk  
Gutachter
Schmiedl, Gerhard  
Zusammenfassung
Atlantic Water (AW) advection plays an important role in climatic, oceanographic and environmental conditions in the Arctic. Situated along the only deep connection between the Atlantic and the Arctic oceans, the Svalbard Archipelago is an ideal location to reconstruct the past AW advection history and document its linkage with local glacier dynamics. In the framework of this thesis, three sediment cores from the northern margins of Svalbard were chosen covering up to 15,500 years. Multi-proxy based reconstructions (applying benthic foraminiferal assemblages, sediment properties and geochemical tracers) revealed a rapid retreat of the ice sheet covering Svalbard during the deglaciation, closely connected to AW inflow. While conditions during the early Holocene were warmer than today when AW caused open waters and retreated glaciers, Arctic Water gained influence at the transition to the mid-Holocene, whereas glaciers re-advanced during the late Holocene.
Schlagwörter
Svalbard

; 

Atlantic Water

; 

deglaciation

; 

Holocene

; 

palaeoceanography

; 

benthic foraminifera

; 

IRD

; 

high latitude fjords

; 

Arctic

; 

glacier
Institution
Universität Bremen  
Fachbereich
Fachbereich 05: Geowissenschaften (FB 05)  
Dokumenttyp
Dissertation
Zweitveröffentlichung
Nein
Sprache
Englisch
Dateien
Lade...
Vorschaubild
Name

00106355-1.pdf

Size

11.68 MB

Format

Adobe PDF

Checksum

(MD5):6bdcc41985f268a5adcb351b5ad2568a

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