Advanced Molecular Techniques Provide New Rigorous Tools for Characterizing Organic Matter Quality in Complex Systems

Rachel M. Wilson, Malak M. Tfaily

Research output: Contribution to journalComment/debatepeer-review

15 Scopus citations

Abstract

Carbon flux rates are widely understood to be substrate controlled; however, characterizing substrate quality continues to be a challenge. We suggest that, while optical measurements have their place, they are not the only, or the best, tool for characterizing organic matter quality. Nominal oxidation state of the carbon provides a thermodynamically relevant measure, which could be used as a metric of organic matter quality. Calculating nominal oxidation state of the carbon requires a suite of advanced complementary analysis but is then trivial to calculate from the resulting data sets.

Original languageEnglish (US)
Pages (from-to)1790-1795
Number of pages6
JournalJournal of Geophysical Research: Biogeosciences
Volume123
Issue number6
DOIs
StatePublished - Jun 2018
Externally publishedYes

Keywords

  • dissolved organic matter
  • FTICRMS
  • humics
  • OM quality
  • optical measurements

ASJC Scopus subject areas

  • Soil Science
  • Forestry
  • Water Science and Technology
  • Palaeontology
  • Atmospheric Science
  • Aquatic Science
  • Ecology

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