Thermodynamic influences on the marine carbon isotope record

Christopher D. Charles, James D. Wright, Richard G. Fairbanks

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

Air‐sea exchange represents an important controlling factor for the distribution of carbon isotopes in the modern ocean, even below the surface mixed layer. Here we show that this thermodynamic influence varies between water masses with a magnitude which is large relative to the amplitude of typical deep sea sediment δ13C records. Thus, changes in air‐sea exchange processes must be regarded as a significant source of variability for any marine δ13C signal.

Original languageEnglish (US)
Pages (from-to)691-697
Number of pages7
JournalPaleoceanography
Volume8
Issue number6
DOIs
StatePublished - Dec 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Palaeontology

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