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Mod-Ex Question 3

Snow - Vegetation - Permafrost

How will warming and seasonality of vegetation and snow processes, including energy and water balances, alter permafrost and carbon dynamics across the landscape?

In Phase 4, we hypothesize that snow-shrub interactions will lead to increased spatial variability in energy, water, and carbon fluxes in areas with increasing shrub dominance and canopy height, with the net effect being accelerated permafrost thaw across the landscape. 

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Publications

2025

  • Orndahl, Kathleen M., et al. “Next Generation Arctic Vegetation Maps: Aboveground Plant Biomass and Woody Dominance Mapped at 30 M Resolution across the Tundra Biome”. Remote Sensing of Environment, vol. 323, 2025, https://doi.org/10.1016/j.rse.2025.114717.
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  • Gallois, Elise, et al. “Tundra Vegetation Community, Not Microclimate, Controls Asynchrony of above and Belowground Phenology”. Global Change Biology, vol. 31, no. 4, 2025, https://doi.org/10.1111/gcb.70153.
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2024

  • Huo, X, et al. “Integrating State Data Assimilation and Innovative Model Parameterization Reduces Simulated Carbon Uptake in the Arctic and Boreal Region”. Journal of Geophysical Research: Biogeosciences , vol. 129, 2024, https://doi.org/10.1029/2024JG008004 .
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  • Berner, Logan T. “The Arctic Plant Aboveground Biomass Synthesis Dataset”. Scientific Data, vol. 11, 2024, https://doi.org/10.1038/s41597-024-03139-w.
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2023

  • Yuan, Fengming, et al. “An Ultrahigh-Resolution E3SM Land Model Simulation Framework and Its First Application to the Seward Peninsula in Alaska”. Journal of Computational Science, vol. 73, 2023, https://doi.org/10.1016/j.jocs.2023.102145.
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  • Conroy, Nathan A., et al. “Environmental Controls on Observed Spatial Variability of Soil Pore Water Geochemistry in Small Headwater Catchments Underlain With Permafrost”. The Cryosphere, vol. 17, no. 17, 2023, https://doi.org/ttps://doi.org/10.5194/tc-17-3987-2023.
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  • Weber, Sören E., and Colleen M. Iversen. “How Deep Should We Go to Understand Roots at the Top of the World?”. New Phytologist, 2023, https://doi.org/10.1111/nph.19220.
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  • Schore, Aiden I. G., et al. “Nitrogen Fixing Shrubs Advance the Pace of Tall-Shrub Expansion in Low-Arctic Tundra”. Communications Earth & Environment, vol. 4, 2023, https://doi.org/https://doi.org/10.1038/s43247-023-01098-5.
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  • Mevenkamp, Hannah, et al. “Reducing Uncertainty of High-Latitude Ecosystem Models through Identification of Key Parameters”. Environmental Research Letters, vol. 18, 2023, https://doi.org/10.1088/1748-9326/ace637.
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2022

  • Thoman, Richard L., et al. “The Arctic”. Bulletin of the American Meteorological Society, vol. 103, no. 8, 2022, pp. S257-S306, https://doi.org/10.1175/bams-d-22-0082.1.
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