Ventilation of the deep northeastern Atlantic

Comparison of the 1973 GEOSECS expedition results from the deep eastern basin of the North Atlantic with those for 1981 TTO expedition reveal no firm evidence for change in NO3, PO4, or a H4SiO4. concentration. While a 2–3 μmol/kg difference is seen for O2, it is more likely experimental than tempor...

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Bibliographic Details
Published in:Journal of Geophysical Research
Main Authors: Broecker, W. S., Rooth, C., Peng, T.-H.
Format: Article in Journal/Newspaper
Language:English
Published: AGU 1985
Subjects:
North Atlantic
Online Access:https://oceanrep.geomar.de/id/eprint/33109/
https://oceanrep.geomar.de/id/eprint/33109/1/scan_2016-06-15_14-22-26r.pdf
https://doi.org/10.1029/JC090iC04p06940
Description
Summary:Comparison of the 1973 GEOSECS expedition results from the deep eastern basin of the North Atlantic with those for 1981 TTO expedition reveal no firm evidence for change in NO3, PO4, or a H4SiO4. concentration. While a 2–3 μmol/kg difference is seen for O2, it is more likely experimental than temporal in origin. The combined TTO-GEOSECS data sets reveal no evidence for ventilation of the bottom waters of the eastern basin by waters from the north.

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