Articles | Volume 12, issue 12
Research article
17 Jun 2015
Research article |  | 17 Jun 2015

Patterns and persistence of hydrologic carbon and nutrient export from collapsing upland permafrost

B. W. Abbott, J. B. Jones, S. E. Godsey, J. R. Larouche, and W. B. Bowden


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Latest update: 21 Apr 2024
Short summary
As high latitudes warm, carbon and nitrogen stored in permafrost soil will be vulnerable to erosion and transport to Arctic streams and rivers. We sampled outflow from 83 permafrost collapse features in Alaska. Permafrost collapse caused substantial increases in dissolved organic carbon and inorganic nitrogen but decreased methane concentration by 90%. Upland thermokarst may be a dominant linkage transferring carbon and nutrients from terrestrial to aquatic ecosystems as the Arctic warms.
Final-revised paper