Th-234 applied to particle removal rates from the surface ocean: A mathematical treatment revisited Public Deposited

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  • It has been recognized since the 1950's that radioisotopic disequilibrium between naturally occurring parent-daughter isotope pairs in seawater can provide information on the rate of processes segregating them. In the surface ocean, the U-238:Th-234 parent-daughter pair tends to display measurable disequilibrium that is attributable to the effects of scavenging on particle reactive thorium. A range of approaches has been applied to deriving quantitative information on particle scavenging and sinking rates from U-238:Th-234 measurements. Here, we review the mathematical underpinnings of a very basic conceptual model of the removal process in order to correct a misunderstanding that has arisen in recent literature.
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  • Alleau, Y., Colbert, D., Covert, P., Haley, B. A., Qiu, X., Collier, R. W., & Falkner, K. (2001). Th-234 applied to particle removal rates from the surface ocean: A mathematical treatment revisited [Electronic version]. Geophysical Research Letters, 28(14), 2855-2857.
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  • description.provenance : Submitted by David Moynihan (dmscanner@gmail.com) on 2010-07-19T18:52:28Z No. of bitstreams: 1 Alleau_et_al_Geophys_Res_Lett_2001.pdf: 229569 bytes, checksum: b4b2e6cc6769eafba01efbd43df9c090 (MD5)
  • Geophysical Research Letters
  • description.provenance : Approved for entry into archive by Sue Kunda(sue.kunda@oregonstate.edu) on 2010-07-22T20:33:04Z (GMT) No. of bitstreams: 1 Alleau_et_al_Geophys_Res_Lett_2001.pdf: 229569 bytes, checksum: b4b2e6cc6769eafba01efbd43df9c090 (MD5)
  • Vol. 28 (2001)
  • description.provenance : Made available in DSpace on 2010-07-22T20:33:04Z (GMT). No. of bitstreams: 1 Alleau_et_al_Geophys_Res_Lett_2001.pdf: 229569 bytes, checksum: b4b2e6cc6769eafba01efbd43df9c090 (MD5) Previous issue date: 2001-07-15

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