Elucidating the Reactivity and Fate of Dissolved Organic Matter in Groundwater Entering the Alaska Beaufort Sea Coast Using 14C Ramped Oxidation

Abstract Supra‐permafrost groundwater (SPGW) is a significant but understudied source of dissolved organic matter (DOM) to Arctic coastal systems. We applied ramped pyrolysis/oxidation (RPO) with Δ14C and δ13C isotopic analysis to assess DOM reactivity and origin in SPGW, river, and lagoon waters al...

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Hauptverfasser:	C. T. Connolly, R. G. M. Spencer, J. W. McClelland
Format:	Artigo
Sprache:	Inglês
Veröffentlicht:	Wiley 2026-06-01
Schriftenreihe:	Geophysical Research Letters
Schlagworte:	dissolved organic matter reactivity and transformation supra‐permafrost groundwater rivers estuaries Arctic coastal regions
Online-Zugang:	https://doi.org/10.1029/2025GL121357
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