Climatic and oceanographic changes in the Azores region during the last 74.7 Ka

6533b7d0fe1ef96bd125b569

RESEARCH PRODUCT

Climatic and oceanographic changes in the Azores region during the last 74.7 Ka

A. Bonfardeci Antonio Caruso A. Bartolini F. Bassinot M. -M Blanc-valleron

subject

Subtropical Gyre Palaeoceanography Palaeoclimatology Archeology (arts and humanities)Earth-Surface Processe Paleontology Azores Front/Current System Geology Foraminifera Stable isotope

description

In this study, we reconstruct the complex palaeoclimatic and palaeohydrographic history of the North Atlantic Ocean during the Upper Pleistocene-Holocene, through a high-resolution Globigerinoides ruber - Globigerinoides elongatus plexus study. The studied core (ATA13-OF-KT1) was collected southwest of the Azores islands near the present-day boundary of the Subtropical Gyre/Azores Front Current System (STG/AFCS). Quantitative and stable isotope data of the G. ruber - G. elongatus plexus chromotypes and selected morphotypes showed cyclic oscillations of the STG/AFCS boundary linked to climatic variability at orbital and millennial scales, during the last 74.7 ka.

year	journal	country	edition	language
2018-01-01

http://hdl.handle.net/10447/297066

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