globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.01.020
论文题名:
Reconstruction of southwestern Atlantic sea surface temperatures during the last Century: Cabo Frio continental shelf (Brazil)
作者: Cordeiro L.G.M.S.; Belem A.L.; Bouloubassi I.; Rangel B.; Sifeddine A.; Capilla R.; Albuquerque A.L.S.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 415
起始页码: 225
结束页码: 232
语种: 英语
英文关键词: Cabo Frio ; SW Atlantic ; UK'37-SST ; Western boundary upwelling system
英文摘要: Modern sea surface temperatures (SSTs) were estimated from UK'37 values of ten core-top sediment samples collected under the Cabo Frio upwelling system and validated by comparison with satellite-derived SSTs. UK'37-SSTs were found to reflect annual SST means in the offshore area and seasonal means (winter/spring) in the inshore and central areas. The latter areas are mainly influenced by upwelling processes whereas the offshore area is under the influence of the thermal front of the Brazil Current (BC). SST variability during the last century was then reconstructed from three short sediment cores. The record showed a general cooling trend in the inshore and central areas, suggesting intensification of the upwelling process. The trends at the offshore area reflected oscillations of the BC thermal front, with piling up of warmer BC waters closer to the coast since ca. 1950. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69159
Appears in Collections:过去全球变化的重建

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作者单位: Geochemistry Department, Universidade Federal Fluminense, Niterói, RJ, Brazil; LOCEAN-IPSL (CNRS/IRD/UPMC/MNHN), Paris, France; LMI PALEOTRACES (IRD/UFF/Uantof), Geochemistry Department, UFF, Niterói, RJ, Brazil; CENPES-PETROBRAS, Rio de Janeiro, RJ, Brazil

Recommended Citation:
Cordeiro L.G.M.S.,Belem A.L.,Bouloubassi I.,et al. Reconstruction of southwestern Atlantic sea surface temperatures during the last Century: Cabo Frio continental shelf (Brazil)[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,415
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