Phase 3 | NGEE Arctic

Content

Accomplishments

NGEE Arctic Continues to Scale Up Collaborations with NASA's ABoVE
June 24th, 2024
NGEE Arctic's Engagement Across Alaska
June 24th, 2024
The NGEE Arctic Seminar Series
June 24th, 2024
Ground Truthing Land Surface Models: A Multi-Data Approach for Validation
June 24th, 2024
Thermokarst Wetland Vegetation and Root Systems Alter Soil Biogeochemistry and Gas Fluxes
June 24th, 2024
Wildfire Changes Carbon Dynamics on the Tundra
June 24th, 2024
Peat Soils and Snow Schemes Mutually Impact Permafrost Simulations
June 23rd, 2024
Insights on Seasonal Solifluction Processes in a Warm Permafrost Arctic Landscape
June 24th, 2024
Arctic Thermokarst Wetland Vegetation Alters Belowground Biogeochemistry and Soil Gas Flux
March 31st, 2024
Deep Permafrost Thaw: A Significant and Overlooked Source of Greenhouse Gas
April 12th, 2024
Improving Our Understanding of Permafrost Extent With Machine Learning and Remote Sensing
April 12th, 2024
Reducing Uncertainty of High-Latitude Ecosystem Models Through Identification of Key Parameters
March 31st, 2024
Progress Report to Council Native Corporation
December 31st, 2023
Promoting Inclusive and Equitable Research in the Arctic
December 31st, 2023
DOE Office of Science Director Visits Climate Research Facilities
December 31st, 2023
Permafrost Soil Biogeochemistry and Vegetation Type Control GHG Fluxes Across a Thermokarst Transect
December 31st, 2023
The Eco-Evolutionary Role of Wildfire in Shaping Terrestrial Ecosystems
December 31st, 2023
How Deep Should We Go To Understand Roots At The Top Of The World?
December 31st, 2023
Arctic Permafrost Chapter in the Second Edition of the Encyclopedia of Soils in the Environment
December 31st, 2023
Environmental Controls on Spatial Variability of Pore Water Geochemistry
December 31st, 2023
NGEE Arctic team outlines anticipated approach for Phase 4 (2025–2027) of the project
April 5th, 2023
Inhibition of methane (CH4) and methylmercury (MeHg) formation by nitrous oxide (N2O) in Arctic tundra soil microcosms
April 5th, 2023
Tabletop exercises for field preparedness
April 5th, 2023
Carbon allocation to above- and belowground tissues of an aerenchymous tundra sedge
April 5th, 2023
Machine learning models inaccurately predict current and future high-latitude C balances
April 5th, 2023
Integrating very-high-resolution unoccupied aerial system data and airborne imaging spectroscopy to map the fractional composition of Arctic plant functional types in western Alaska
April 5th, 2023
Metadata and NGEE Arctic Search Tool metrics
April 5th, 2023
The NGEE Arctic Rainfall Simulator: Deployment to the Kougarok Fire Complex
February 3rd, 2023
Quantification of the bedrock-through-canopy controls on subsurface thermal regimes
February 3rd, 2023
Factors controlling a synthetic aperture radar–derived root-zone soil moisture product
February 3rd, 2023
Wildfires exacerbate high-latitude soil carbon losses from climate warming
February 3rd, 2023
Global synthesis of nitrogen fixation
February 3rd, 2023
NGEE Arctic leads a “field-to-model” workshop
February 3rd, 2023
Estimating snow cover from high-resolution satellite imagery by thresholding blue wavelengths
February 3rd, 2023
High-resolution mapping of discontinuous near-surface permafrost
February 3rd, 2023
Enabling FAIR data in Earth and environmental science with community-centric (meta)data reporting formats
February 3rd, 2023
Annual activities report delivered to Mary’s Igloo Native Corporation board of directors
February 3rd, 2023
Metadata and NGEE Arctic search tool metrics
February 3rd, 2023
Metadata and NGEE Arctic Search Tool Metrics
February 3rd, 2023
Metagenomes from Arctic Soil Microbial Communities
February 3rd, 2023
Breaking Boundaries in Infrared Imaging
February 3rd, 2023
Simulated Hydrological Dynamics and Coupled Iron Redox Cycling Impact CH4 Production in an Arctic Soil
February 3rd, 2023
Near-Surface Hydrology and Soil Properties Drive Heterogeneity
February 3rd, 2023
The Influence of Time since Fire & Repeated Fire on Organic Carbon Storage
February 3rd, 2023
One Growing Season of Warming Increases Soil Nutrient Availability but Not Plant Nitrogen Uptake
February 3rd, 2023
From Leaves to the Rhizosphere
February 3rd, 2023
Dispersal and Fire Limit Arctic Shrub Expansion
February 3rd, 2023
Methane Emissions Show Exponential Inverse Relationship with Electrical Resistivity
February 3rd, 2023
A Signal of Sun-Induced Chlorophyll Fluorescence at Council, Alaska
February 3rd, 2023
The NGEE Arctic Rainfall Simulator: Development, Deployment, & First-Year Experiments
February 3rd, 2023
Probabilistic Estimation of Soil Thermal Diffusivity from Temperature Time Series
February 3rd, 2023

News

Remembering the Life and Impact of Joanne Childs
July 3rd, 2024
Eugenie Euskirchen Receives a Fulbright Scholar Award
July 3rd, 2024
DOE’s Northern Lights – Dr. Colleen Iversen
April 25th, 2024
Conducting safe science at the top of the world
November 28th, 2023
Tundra collapse is not likely to accelerate melting
February 25th, 2023
Sinking tundra surface unlikely to trigger runaway permafrost thaw
February 21st, 2023
Scientists find iron cycling key to permafrost greenhouse gas emissions
December 14th, 2022
Breaking Boundaries in IR Imaging to Explore Multiscale Microbial Activity in Arctic Soils
July 28th, 2022
Sebastian Uhlemann Receives Near-Surface Geophysics Honor
September 19th, 2022
2022 AGU Section Awardees and Named Lecturers
September 6th, 2022

People

Baptiste Dafflon

Lawrence Berkeley National Laboratory
Bob Bolton

University of Alaska Fairbanks

Posters

Science Highlights

Media

Images

Publications

2024

Briones, Valeria, et al. “A Model Parameter Sensitivity Approach to Understand Soil Thermal and Hydrological Linkages and Their Influence on Ecosystem Carbon Dynamics”. Environmental Research Letters , vol. 19, 2024, https://doi.org/10.1088/1748-9326/ad50ed .

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Wilcox, Evan J., et al. “Bridging Gaps in Permafrost-Shrub Understanding”. PLOS Climate, vol. 3, 2024, https://doi.org/10.1371/journal.pclm.0000360.

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Tao, Jing, et al. “Evaluating the Impact of Peat Soils and Snow Schemes on Simulated Active Layer Thickness at Pan-Arctic Permafrost Sites”. Environmental Research Letters, vol. 19, 2024, https://doi.org/10.1088/1748-9326/ad38ce.

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Li, Y, et al. “Genomic Insights into Redox-Driven Microbial Processes for Carbon Decomposition in Thawing Arctic Soils and Permafrost”. MSphere, vol. 9, 2024, https://doi.org/10.1128/msphere.00259-24.

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Del Vecchio, Joanmarie, et al. “Hillslope-Channel Transitions and the Role of Water Tracks in a Changing Permafrost Landscape”. Journal of Geophysical Research – Earth Surface, vol. 128, 2024, https://doi.org/10.1029/2023JF007156.

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Huang, Xiang, et al. “How Does Humidity Data Impact the Land Surface Modeling of Hydrothermal Regimes at a Permafrost Site in Utqiaġvik, Alaska?”. Science of The Total Environment, vol. 912, 2024, https://doi.org/10.1016/j.scitotenv.2023.168697.

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Fiolleau, Sylvain, et al. “Insights on Seasonal Solifluction Processes in Warm Permafrost Arctic Landscape Using a Dense Monitoring Approach across Adjacent Hillslopes”. Environmental Research Letters, vol. 19, 2024, https://doi.org/10.1088/1748-9326/ad28dc.

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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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Liu, Yanlan, et al. “Large Divergence of Projected High Latitude Vegetation Composition and Productivity Due To Functional Trait Uncertainty”. Earth’s Future , vol. 12, 2024, https://doi.org/10.1029/2024EF004563.

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Wang, Chen, et al. “Local-Scale Heterogeneity of Soil Thermal Dynamics and Controlling Factors in a Discontinuous Permafrost Region”. Environmental Research Letters, vol. 19, 2024, https://doi.org/10.1088/1748-9326/ad27bb .

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Crumley, Ryan, et al. “Snow Distribution Patterns Revisited: A Physics-Based and Machine Learning Hybrid Approach to Snow Distribution Mapping in the Sub-Arctic”. Water Resources Research, vol. 60, 2024, https://doi.org/10.1029/2023WR036180.

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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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Renner, Caleb, et al. “The Next-Generation Ecosystem Experiment Arctic Rainfall Simulator: A Tool to Understand the Effects of Changing Rainfall Patterns in the Arctic”. Hydrology Research, vol. 55, 2024, https://doi.org/10.2166/nh.2023.146.

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Abolt, Charles J., et al. “Topography Controls Variability in Circumpolar Permafrost Thaw Pond Expansion”. Journal of Geophysical Research: Earth Surface , vol. 129, 2024, https://doi.org/10.1029/2024JF007675.

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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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Boike, Julia, et al. “Arctic Permafrost”. Encyclopedia of Soils in the Environment, Elsevier, 2023, pp. 410-8, https://doi.org/10.1016/b978-0-12-822974-3.00141-5.

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Rowland, Joel. “Drainage Network Response to Arctic Warming”. Nature Communications, vol. 14, 2023, https://doi.org/10.1038/s41467-023-40796-8.

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Painter, Scott L., et al. “Drying of Tundra Landscapes Will Limit Subsidence-Induced Acceleration of Permafrost Thaw”. Proceedings of the National Academy of Sciences, vol. 120, no. 8, 2023, https://doi.org/10.1073/pnas.2212171120.

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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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Uhlemann, Sebastian, et al. “Estimating Permafrost Distribution Using Co-Located Temperature and Electrical Resistivity Measurements”. Geophysical Research Letters, vol. 50, 2023, https://doi.org/10.1029/2023GL103987.

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Thaler, Evan A., et al. “Estimating Snow Cover from High-Resolution Satellite Imagery by Thresholding Blue Wavelengths”. Remote Sensing of Environment, vol. 285, 2023, p. 113403, https://doi.org/10.1016/j.rse.2022.113403.

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Thaler, Evan A., et al. “High-Resolution Maps of Near-Surface Permafrost for Three Watersheds on the Seward Peninsula, Alaska Derived From Machine Learning”. Earth and Space Science, vol. 10, 2023, https://doi.org/10.1029/2023EA003015.

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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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Zhang, Lijie, et al. “Inhibition of Methylmercury and Methane Formation by Nitrous Oxide in Arctic Tundra Soil Microcosms”. Environmental Science and Technology, vol. 57, no. 14, 2023, pp. 5655-6, https://doi.org/10.1021/acs.est.2c09457.

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Yang, Dedi, et al. “Integrating Very-High-Resolution UAS Data and Airborne Imaging Spectroscopy to Map the Fractional Composition of Arctic Plant Functional Types in Western Alaska”. Remote Sensing of Environment, vol. 286, 2023, p. 113430, https://doi.org/10.1016/j.rse.2022.113430.

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Shirley, Ian A, et al. “Machine Learning Models Inaccurately Predict Current and Future High-Latitude C Balances”. Environmental Research Letters, vol. 18, no. 1, 2023, p. 014026, https://doi.org/10.1088/1748-9326/acacb2.

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Miraglio, Thomas, et al. “Mapping Canopy Traits over Québec Using Airborne and Spaceborne Imaging Spectroscopy”. Scientific Reports, vol. 13, no. 1, 2023, https://doi.org/10.1038/s41598-023-44384-0.

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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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Chang, Kuang‐Yu, et al. “Observational Constraints Reduce Model Spread But Not Uncertainty in Global Wetland Methane Emission Estimates”. Global Change Biology, vol. 29, no. 15, 2023, pp. 4298-12, https://doi.org/10.1111/gcb.16755.

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Del Vecchio, Joanmarie, et al. “Patterns and Rates of Soil Movement and Shallow Failures across Several Small Watersheds on the Seward Peninsula, Alaska”. Earth Surface Dynamics, vol. 11, no. 2, 2023, pp. 227-45, https://doi.org/10.5194/esurf-11-227-2023.

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Yang, Dedi, et al. “PiCAM: A Raspberry Pi-Based Open-Source, Low-Power Camera System for Monitoring Plant Phenology in Arctic Environments”. Methods in Ecology and Evolution, vol. 14, 2023, https://doi.org/10.1111/2041-210X.14231.

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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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Tang, Jinyun, and William J. Riley. “Revising the Dynamic Energy Budget Theory With a New Reserve Mobilization Rule and Three Example Applications to Bacterial Growth”. Soil Biology and Biochemistry, vol. 178, 2023, p. 108954, https://doi.org/10.1016/j.soilbio.2023.108954.

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Wielandt, Stijn, et al. “TDD LoRa and Delta Encoding in Low-Power Networks of Environmental Sensor Arrays for Temperature and Deformation Monitoring”. Journal of Signal Processing Systems, 2023, https://doi.org/10.1007/s11265-023-01834-2.

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Santos, Fernanda, et al. “The Eco-Evolutionary Role of Fire in Shaping Terrestrial Ecosystems”. Functional Ecology, vol. 37, no. 8, 2023, https://doi.org/https://doi.org/10.1111/1365-2435.14387.

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2022

Liu, Yanlan, et al. “Dispersal and Fire Limit Arctic Shrub Expansion”. Nature Communications, vol. 13, no. 1, 2022, https://doi.org/10.1038/s41467-022-31597-6.

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Crystal-Ornelas, Robert, et al. “Enabling FAIR Data in Earth and Environmental Science With Community-Centric (meta)data Reporting Formats”. Scientific Data, vol. 9, no. 1, 2022, https://doi.org/10.1038/s41597-022-01606-w.

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Dann, Julian, et al. “Factors Controlling a Synthetic Aperture Radar (SAR) Derived Root-Zone Soil Moisture Product over The Seward Peninsula of Alaska”. Remote Sensing, vol. 14, no. 19, 2022, p. 4927, https://doi.org/10.3390/rs14194927.

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Taş, Neslihan. “Metagenomes from Arctic Soil Microbial Communities from the Barrow Environmental Observatory, Utqiaġvik, AK, USA”. Microbiology Resource Announcements, vol. 11, no. 8, 2022, https://doi.org/10.1128/mra.00528-22.

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Shirley, Ian A., et al. “Near‐Surface Hydrology and Soil Properties Drive Heterogeneity in Permafrost Distribution, Vegetation Dynamics, and Carbon Cycling in a Sub‐Arctic Watershed”. Journal of Geophysical Research: Biogeosciences, vol. 127, no. 9, 2022, https://doi.org/10.1029/2022jg006864.

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Brunetti, Carlotta, et al. “Probabilistic Estimation of Depth-Resolved Profiles of Soil Thermal Diffusivity from Temperature Time Series”. Earth Surface Dynamics, vol. 10, no. 4, 2022, pp. 687-04, https://doi.org/10.5194/esurf-10-687-2022.

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Yang, Dedi, et al. “Remote Sensing from Unoccupied Aerial Systems: Opportunities to Enhance Arctic Plant Ecology in a Changing Climate”. Journal of Ecology, vol. 110, no. 12, 2022, pp. 2812-35, https://doi.org/10.1111/1365-2745.13976.

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Nelson, Peter R., et al. “Remote Sensing of Tundra Ecosystems Using High Spectral Resolution Reflectance: Opportunities and Challenges”. Journal of Geophysical Research: Biogeosciences, vol. 127, no. 2, 2022, https://doi.org/10.1029/2021jg006697.

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Sulman, Benjamin N., et al. “Simulated Hydrological Dynamics and Coupled Iron Redox Cycling Impact Methane Production in an Arctic Soil”. Journal of Geophysical Research: Biogeosciences, vol. 127, no. 10, 2022, https://doi.org/10.1029/2021jg006662.

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Virkkala, Anna-Maria, et al. “The ABCflux Database: Arctic–boreal CO2 Flux Observations and Ancillary Information Aggregated to Monthly Time Steps across Terrestrial Ecosystems”. Earth System Science Data, vol. 14, no. 1, 2022, pp. 179-08, https://doi.org/10.5194/essd-14-179-2022.

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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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Jafarov, Elchin E., et al. “The Importance of freeze–thaw Cycles for Lateral Tracer Transport in Ice-Wedge Polygons”. The Cryosphere, vol. 16, no. 3, 2022, pp. 851-62, https://doi.org/10.5194/tc-16-851-2022.

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Frost, GV, et al. “Tundra Greenness”. NOAA Arctic Report Card 2022, 2022, https://doi.org/10.25923/g8w3-6v31.

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Abbott, Benjamin W., et al. “We Must Stop Fossil Fuel Emissions to Protect Permafrost Ecosystems”. Frontiers in Environmental Science, vol. 10, 2022, https://doi.org/10.3389/fenvs.2022.889428.

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Mekonnen, Zelalem A, et al. “Wildfire Exacerbates High-Latitude Soil Carbon Losses from Climate Warming”. Environmental Research Letters, vol. 17, no. 9, 2022, p. 094037, https://doi.org/10.1088/1748-9326/ac8be6.

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2021

Hollingsworth, Teresa N., et al. “Does Fire Always Accelerate Shrub Expansion in Arctic Tundra? Examining a Novel Grass-Dominated Successional Trajectory on the Seward Peninsula”. Arctic, Antarctic, and Alpine Research, vol. 53, no. 1, 2021, pp. 93-109, https://doi.org/10.1080/15230430.2021.1899562.

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2020

Abolt, Charles J., et al. “Feedbacks Between Surface Deformation and Permafrost Degradation in Ice Wedge Polygons, Arctic Coastal Plain, Alaska”. Journal of Geophysical Research: Earth Surface, vol. 125, no. 3, 2020, https://doi.org/10.1029/2019jf005349.

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Collins, A. D., et al. “UAS LIDAR MAPPING OF AN ARCTIC TUNDRA WATERSHED: CHALLENGES AND OPPORTUNITIES”. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, vol. XLIV-M-2-2020, 2020, pp. 1-8, https://doi.org/10.5194/isprs-archives-xliv-m-2-2020-1-2020.

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