2 documents found, page 1 of 1
Atlantic sea surface temperatures estimated from planktonic foraminifera off th...
Alves Martins, Maria Virgínia; Perretti, Adriana Rodrigues; Salgueiro, Emilia; Frontalini, Fabrizio; Moreno, João; Soares, António M.; Mahiques, MichelSea surface temperatures (SSTs)were reconstructed fromplanktonic foraminiferal assemblages in two sediment cores off the NWIberian Continental Margin for the last 40 kyr. Results of this work were compared with published SSTs estimated in six cores from the Iberian Margin and the δ18O data from NGRIP ice core of Greenland. Longitudinal and latitudinal SST changes were identified in several intervals related to ...
The ITRAX core scanner, a useful tool to distinguish anthropic vs. climatic inf...
Martins, Virgínia A.; Dias, João A.; Bernardes, Cristina; Rubio, Belén; Bernabeu, Ana; Rey, Daniel; Soares, António M.; Sobrinho, FredericoThe main goal of this work is to distinguish anthropic and climatic influences in sediments from the lagoon of Aveiro (Portugal). This study is based on a core (240-cm long) collected in Murtosa Channel. Optical and X-radiographic images and high-resolution elemental profiles were acquired with ITRAX micro-X-ray fluorescence (XRF) core scanner. Samples collected at each ≈3 cm along the core were analysed for gr...