Intensity of Th and Pa scavenging partitioned by particle chemistry in the North Atlantic Ocean

Intensity of Th and Pa scavenging partitioned by particle chemistry in the North Atlantic Ocean

The natural radionuclides 231Pa and 230Th are incorporated into the marine sediment record by scavenging, or adsorption to various particle types, via chemical reactions that are not fully understood. Because these isotopes have potential value in tracing several oceanographic processes, we investig...

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Veröffentlicht in:Marine chemistry 2015-03, Vol.170, p.49-60
Hauptverfasser: Hayes, Christopher T., Anderson, Robert F., Fleisher, Martin Q., Vivancos, Sebastian M., Lam, Phoebe J., Ohnemus, Daniel C., Huang, Kuo-Fang, Robinson, Laura F., Lu, Yanbin, Cheng, Hai, Edwards, R. Lawrence, Moran, S. Bradley
Format: Artikel
Sprache:eng
Schlagworte:
Adsorption
Atlantic Ocean
Dissolution
GEOTRACES
Iron
Marine
Marine chemistry
Radioactive tracers
Ridges
Scavenging
Sea beds
Sediments
Suspended particulate matter
Trace elements
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Zusammenfassung:The natural radionuclides 231Pa and 230Th are incorporated into the marine sediment record by scavenging, or adsorption to various particle types, via chemical reactions that are not fully understood. Because these isotopes have potential value in tracing several oceanographic processes, we investigate the nature of scavenging using trans-Atlantic measurements of dissolved (
ISSN:0304-4203
1872-7581
DOI:10.1016/j.marchem.2015.01.006