Detecting the signature of permafrost thaw in Arctic rivers

RGM Spencer, PJ Mann, T Dittmar… - Geophysical …, 2015 - Wiley Online Library
Climate change induced permafrost thaw in the Arctic is mobilizing ancient dissolved
organic carbon (DOC) into headwater streams; however, DOC exported from the mouth of …

High biolability of ancient permafrost carbon upon thaw

JE Vonk, PJ Mann, S Davydov… - Geophysical …, 2013 - Wiley Online Library
Ongoing climate warming in the Arctic will thaw permafrost and remobilize substantial
terrestrial organic carbon (OC) pools. Around a quarter of northern permafrost OC resides in …

The role of watershed characteristics, permafrost thaw, and wildfire on dissolved organic carbon biodegradability and water chemistry in Arctic headwater streams

JR Larouche, BW Abbott, WB Bowden… - Biogeosciences, 2015 - bg.copernicus.org
In the Alaskan Arctic, rapid climate change is increasing the frequency of disturbance
including wildfire and permafrost collapse. These pulse disturbances may influence the …

Utilization of ancient permafrost carbon in headwaters of Arctic fluvial networks

PJ Mann, TI Eglinton, CP McIntyre, N Zimov… - Nature …, 2015 - nature.com
Northern high-latitude rivers are major conduits of carbon from land to coastal seas and the
Arctic Ocean. Arctic warming is promoting terrestrial permafrost thaw and shifting hydrologic …

An abrupt aging of dissolved organic carbon in large Arctic rivers

MS Schwab, RG Hilton, PA Raymond… - Geophysical …, 2020 - Wiley Online Library
Permafrost thaw in Arctic watersheds threatens to mobilize hitherto sequestered carbon. We
examine the radiocarbon activity (F14C) of dissolved organic carbon (DOC) in the northern …

The ephemeral signature of permafrost carbon in an Arctic fluvial network

TW Drake, F Guillemette, JD Hemingway… - Journal of …, 2018 - Wiley Online Library
Arctic fluvial networks process, outgas, and transport significant quantities of terrestrial
organic carbon (C), particularly dissolved organic carbon (DOC). The proportion of …

Pan‐Arctic riverine dissolved organic matter: Synchronous molecular stability, shifting sources and subsidies

MI Behnke, JW McClelland, SE Tank… - Global …, 2021 - Wiley Online Library
Climate change is dramatically altering Arctic ecosystems, leading to shifts in the sources,
composition, and eventual fate of riverine dissolved organic matter (DOM) in the Arctic …

Dissolved organic matter composition of Arctic rivers: Linking permafrost and parent material to riverine carbon

JA O'Donnell, GR Aiken, DK Swanson… - Global …, 2016 - Wiley Online Library
Recent climate change in the Arctic is driving permafrost thaw, which has important
implications for regional hydrology and global carbon dynamics. Permafrost is an important …

Origins and transformations of dissolved organic matter in large Arctic rivers

K Kaiser, M Canedo-Oropeza, R McMahon… - Scientific Reports, 2017 - nature.com
Arctic river watersheds are important components of the global climate system and show an
amplified response to climate change. Here, we characterize origins and transformations of …

Elevated dissolved organic carbon biodegradability from thawing and collapsing permafrost

BW Abbott, JR Larouche, JB Jones Jr… - Journal of …, 2014 - Wiley Online Library
As high latitudes warm, a portion of the large organic carbon pool stored in permafrost will
become available for transport to aquatic ecosystems as dissolved organic carbon (DOC). If …