2024 AGU

The American Geophysical Union's Annual Fall Meeting in 2024 is in Washington DC from December 9-13th.  Numerous Toolik Field Station community members will be presenting about Toolik and region throughout the week.

ID Title First author Type Time Location

Geochemical phosphorus sequestration in tundra soils impedes delivery of bioavailable phosphorus to an Arctic headwater river – regional and pan-Arctic implications
William Bowden iPoster 08:30-17:30 iPoster Gallery (Online)
A Low-cost Space Weather Observatory for the UAF Space Weather UnderGround High School Participants Austin Cohen Oral 8:30-10:00 Liberty L (Marriott Marquis)
Analysis of Sounding Rocket Observations of Ion-Neutral Coupling in the E-region during Aurora

Stephan Kepplaer

Oral 16:00-16:10 Independence E (Marriott Marquis)
Recent advances in estimating auroral electron energetics with ground-based optics.  Don Hampton  Oral  16:30-16:40 Independence D (Marriott Marquis)
  Remote Sensing and Modeling of Seismic Exploration Impacts on Arctic Permafrost Ecosystems Julian Dann   Poster  13:40-17:30 Poster Hall
NASA SnowEx Community-Collected Snow Pit Measurements (2017-2023)
Megan Mason Oral 16:40-16:50 101 (Convention Center)

 

ID Title First Author Type Time Location

Geochemical phosphorus sequestration in tundra soils impedes delivery of bioavailable phosphorus to an Arctic headwater river – regional and pan-Arctic implications
William Bowden iPoster 08:30-17:30 iPoster Gallery (Online)
Differential responses of sap flux to soil moisture reflects diverse stomatal regulation of water loss Adrian Rocha  Poster 8:30-12:20 Poster Hall
Climate Change Doesn’t Bode Well for Boreal AVÀÇÂÛ̳ Given Projected Increases in Area Burned, Rate of Reburning, Dominance by Deciduous Species, and Permafrost Thaw Melissa Lucash Oral 9:10-9:20 150 A (Convention Center)
Combining Physics-based and Deep Learning Data-driven Methods to Model Wildfire Ignition Probability for the Arctic Boreal and Tundra Ecosystems

Jordan Caraballo-Vega

Oral 9:20-9:30 150 A (Convention Center)
Arctic Education and Outreach: Effective Ways of Engaging Diverse Learners in Arctic Science   Anne Gold Session  10:20-11:50 Archives (Marriott Marquis)
Comparing the Magnitude of Hillslope and Channel Erosion in Continuous and Discontinuous Permafrost Areas in AVÀÇÂÛ̳  Emrah Ozpolat Oral 10:35-10:43 146 C (Convention Center)
Local scale Mapping of Soil Organic Carbon in the Permafrost Active Layer Using Polarimetric Radar and a Physics-Based Computational Algorithm  Kazem Bakian Dogaheh Oral 

10:30-10:40

150 A (Convention Center)
Quantifying changes in gully abundance using repeat high-resolution LiDAR and an Arctic gully identification method  Brandon Yokeley Oral  10:55-10:03 146 C (Convention Center)
Is There a Landscape Signature of Permafrost?  Joanmarie Del Vecchio Oral  11:20-11:28 152 A (Convention Center)
The Effects of Air Temperature and Light Variability on Leaf-level Dark Respiration and Photosynthesis of Arctic Plant Species  Julie Gan Poster 13:40 - 17:30 Poster Hall
The response of Arctic soils to ex-situ storm simulations  Erin VanderJeugdt Poster 13:40 - 17:30 Poster Hall
Radial Tree Growth Proceeds Leaf Production and the Induction of Photosynthesis in Balsam Poplar Beyond Treeline  Amelia Harris Poster 13:40 - 17:30 Poster Hall
Role of permafrost degradation and cracking in shaping post-fire tundra ecosystems  Rachel Badzioch Poster 13:40 - 17:30 Poster Hall

Study of Post Fire Recovery in Permafrost Region Using InSAR Alexandre Lasalarie Poster 13:40 - 17:30 Poster Hall

Shrub Trait Variation Influences Year-Round Soil Respiration in Northern AVÀÇÂÛ̳ Jennifer Fraterrigo Poster 13:40 - 17:30 Poster Hall

Displacement Heterogeneity Contributes to Non-Zero Closure Phases in InSAR Observations of Permafrost Landscapes Rowan Biessel Poster 13:40 - 17:30 Poster Hall

Photosynthetic Thermal Tolerance of Shrubs and Sedges in the Arctic Over an Increasing Gradient of Nitrogen Fertilization Frances Cohen Poster 13:40 - 17:30 Poster Hall

Soil configurations that lead to retrogressive thaw slumps and thermoerosional gullies Cansu Culha Poster 13:40 - 17:30 Poster Hall
Employing Spectral Signatures in Vegetation to Differentiate Hydrologic Features Above Continuous Permafrost Key Hatch Poster 13:40 - 17:30 Poster Hall
Determining the Snow Duration of Water Tracks and Thermoerosional Gullies on the North Slope of AVÀÇÂÛ̳, USA Kaden Cusack Poster 13:40 - 17:30 Poster Hall
Hydro-stratigraphy of the active layer in riparian valley bottoms of an arctic watershed Sydney Villaruel Poster 13:40 - 17:30 Poster Hall
Using Data From the Lamp Rocket to Investigate Microbursts and Pulsating Aurora Marc Lessard Poster 13:40 - 17:30 Poster Hall
Near-surface drying of a continuous permafrost hillslope with water tracks following ground collapse Sarah Evans Poster 13:40 - 17:30 Poster Hall
Arctic Education and Outreach: Effective Ways of Engaging Diverse Learners in Arctic Science II Poster Anne Gold Session 13:40 - 17:30 Poster Hall
Ground-based Fabry-Perot measurements of horizontal wind and temperature gradients in Earth's auroral-zone thermosphere Mark Conde Oral 16:25-16:38 Independence E (Marriott Marquis)

 

ID Title First author Type Time Location

Geochemical phosphorus sequestration in tundra soils impedes delivery of bioavailable phosphorus to an Arctic headwater river – regional and pan-Arctic implications
William Bowden iPoster 08:30-17:30 iPoster Gallery (Online)
Photoperiod Regulates Phenology of Arctic Plants Ned Fetcher  Poster  8:30-12:20 Poster Hall
Modeling Net Carbon Uptake Over an Environmental and Latitudinal Gradient in Northern AVÀÇÂÛ̳ from 1990 – 2030: Comparisons with Novel Plant Trait Maps Eugenie Euskirchen

 Oral

  150 A (Convention Center)
Soundscapes of small poplar groves in Northern AVÀÇÂÛ̳ suggest shifts in consumer communities will occur as warming facilitates expansion of trees in arctic tundra  Natalie Boelman  Oral   151 A (Convention Center)
Identifying Bacterial and Fungal Taxa Associated with Soil Organic Matter and Exudate Degradation in Rhizosphere and Permafrost Communities Using Quantitative Stable Isotope Probing (qSIP)  Sean Schefer  Oral   150 B (Convention Center)
Progress on the Arctic LTER's Efforts Towards Long-lasting Inclusion and Equity (Invited)  Laura Gough  Oral   Salon I (Convention Center)
Microbial Assembly and Succession Patterns During Permafrost Thaw Impacts C Cycling  Lyndsey Marquez Poster 13:40 - 17:30  Poster Hall
Revealing the Arctic’s Hidden Layers: Circumarctic Zero-Curtain Mapping with Radar Polarimetry, Thermal Imaging, and Quantum AI Technology  Bradley Gay Poster 13:40 - 17:30  Poster Hall
Modeling ground temperature dynamics around three communities on the AVÀÇÂÛ̳ North Slope  Dmitry Nicolsky Poster 13:40 - 17:30  Poster Hall
Long-term trends in active layer thickness: Insights from the Circumpolar Active Layer program, Northern AVÀÇÂÛ̳  Vasily Tolmanov Poster 13:40 - 17:30  Poster Hall
Frost boils increase rates of permafrost degradation in northern AVÀÇÂÛ̳  Mark Lara Poster 13:40 - 17:30  Poster Hall
Potential Controls of Ground Collapse Along a Water Track, North Slope, AVÀÇÂÛ̳  Emma Ferm Poster 13:40 - 17:30  Poster Hall
Designing and Testing a Water Track Field Identification Protocol for Permafrost Hillslopes on the North Slope of AVÀÇÂÛ̳, USA  Lauren Best Poster 13:40 - 17:30  Poster Hall
Inferring Permafrost Response to Extremely Warm Summers from Sentinel-1 and ALOS-2 InSAR  Jei Chen Poster 13:40 - 17:30  Poster Hall
A decade of snowshoe hare density dynamics: Insights from remote sensing and modeled snow depth  Jan Eitel Poster 13:40 - 17:30  Poster Hall
Assessing rain-on-snow event dynamics over AVÀÇÂÛ̳ using 30-year satellite microwave observations  Jinyang Du Poster 13:40 - 17:30  Poster Hall
Large-scale Mapping of Soil Organic Carbon in the Northern AVÀÇÂÛ̳n Tundra by Upscaling High-Resolution Swaths of SOC from P-Band PolSAR Imagery  Jane Whitcomb Poster 13:40 - 17:30  Poster Hall

Direction Finding of Multiple Simultaneous Auroral Radio Emissions Tedi Gofrey Poster 13:40 - 17:30  Poster Hall

Control of Global and Local Drivers on F-Region Neutral Wind Behavior Rajan Itani Poster 13:40 - 17:30  Poster Hall

Combining Scenarios Storytelling and Community and Citizen Science Data to Envision the Future and Take Local Action Katie Spellman

Poster

13:40 - 17:30  Poster Hall

Poplars beyond treeline have reduced photosynthetic capacity but maintain an advantage over tundra shrubs. Kevin Griffin eLightning 16:09-16:12 eLightning Theater 3 (Convention Center)

The Anaktuvuk River Fire as a Driver of Vegetation Change Colette Brown eLightning 16:15-16:18 eLightning Theater 3 (Convention Center)

Tall Shrub Expansion as a Driver of Rapid Permafrost Loss in Thermokarst Lakes

Darko Radakovic

eLightning 16:18-16:21 eLightning Theater 3 (Convention Center)

 

ID Title First author Type Time Location

Geochemical phosphorus sequestration in tundra soils impedes delivery of bioavailable phosphorus to an Arctic headwater river – regional and pan-Arctic implications
William Bowden iPoster 08:30-17:30 iPoster Gallery (Online)
Multi-year Increases in Shrub Cover, Solar-induced Fluorescence, and Gross Primary Production Following a Wildfire in Arctic Tundra Jinhyuk Kim Poster  8:30-12:250 Poster Hall
Interactions between plants, microbes, and minerals tilt the carbon balance in permafrost-affected soils: a holistic view developed across three priming experiments Jessica Ernakovich 

 Oral

10:20-10:30 149 A-B (Convention Center)
How Organo-Mineral Interactions Affect the Priming of Permafrost Soil Upon Thaw Caitlin Hicks Pries  Oral 10:40-10:50 149 A-B (Convention Center)
The influence of cryo-hydrological processes on the young water fraction in Arctic hillslopes drained by water tracks and thermoerosional gullies  Rebecca Frei  Oral 10:40-10:50 Salon C (Convention Center)
Impacts of climate conditions on groundwater flow and reactive solute transport in supra-permafrost aquifers  Neelarun Mukherjee  Oral 10:59-11:11 Salon I (Convention Center)

Arctic AVÀÇÂÛ̳ River Chemistry Controlled by Topography, Vegetation, and Seasonality across Headwater Catchments Jay Zarnetske Oral 11:36-11:48 143 A-C (Convention Center)
An Updated Water Balance of Three AVÀÇÂÛ̳n Arctic Streams  Emily Youcha Poster  13:40 - 17:30 Poster Hall

Shrub expansion: impacts on organic soil and permafrost stability on the North Slope of AVÀÇÂÛ̳ Allison Welch Poster  13:40 - 17:30 Poster Hall

Impact of Landscape Position on Soil Organic Matter Composition and Degradation in the Arctic Foothills of AVÀÇÂÛ̳ Roser Matamala Poster  13:40 - 17:30 Poster Hall

Linking Carbon and Nitrogen Stocks of Arctic Coastal Lowland Soils to Ice-Wedge Polygon Development, Geomorphology, and Parent Material Julie Jastrow Poster  13:40 - 17:30 Poster Hall

Spatial and Vertical Heterogeneity of AVÀÇÂÛ̳n Soil C and N Stocks and C:N Relationships Joshua Minai Poster  13:40 - 17:30 Poster Hall

Investigating the Spatial Variability of Carbon Stabilization with Metals in Arctic Lake Sediments Chelsea Smith Poster  13:40 - 17:30 Poster Hall

Comparison of Airborne Lidar and In Situ Snow Depth Measurements in the AVÀÇÂÛ̳ Boreal Forest
Lora May Poster 13:40-17:30 Poster Hall
Forty Years of Changes in Ground Temperature in the Greater Toolik Lake Station Area Vladimir Romanovsky  Oral 14:46-15:01 102 A-B (Convention Center)
Electron measurements from the Beam-PIE sounding rocket: a comparison of two pitch-angles Robert Michell  Oral 15:00-15:10 Independence F-H (Marriott Marquis)
Microbial activity and weathering reactions in Arctic retrogressive thaw slumps Alexander Michaud  Oral 15:05-15:15 101 (Convention Center)
Methane emissions from upland Yedoma thermokarst mounds (Invited) Katey Walter Anthony  Oral 15:25-15:40 101 (Convention Center)
GNEISS: an auroral ionospheric sounding rocket campaign for a heterogeneous system science case study of auroral current closure (Invited) Kristina Lynch  Oral 16:30-16:45 Archives (Marriott Marquis)
ID Title First author Type Time Location

Geochemical phosphorus sequestration in tundra soils impedes delivery of bioavailable phosphorus to an Arctic headwater river – regional and pan-Arctic implications
William Bowden iPoster

08:30-17:30

iPoster Gallery (Online)
Responses of methane and carbon dioxide flux to a nine-year-old experimental tundra fire in northern AVÀÇÂÛ̳, U.S.A. Jennifer Chandler  Poster

08:30 - 12:20

Poster Hall
High Temperature Sensitivity of Isoprene Emissions from Sedges: Implications For A Warming Planet  Hui Wang

 Poster

08:30 - 12:20 Poster Hall
Measurements from the Dissipation Auroral Sounding Rocket Mission: Estimates of the Interactions between Precipitating Electrons and the Thermosphere  Lance Davis  Poster 08:30 - 12:20 Poster Hall
Thermospheric Density and Wind Response to Auroral Activity Observed by the Dissipation Sounding Rocket Mission  Diana Swanson  Poster 08:30 - 12:20 Poster Hall
Structured auroral and neutral atmosphere coupling Emma Spanswick Oral 08:39-8:48 Independence F-H (Marriott Marquis)
Investigation of 3-Dimensional Thermospheric Neutral Wind with Tri-Static Observations by Scanning Doppler Imagers in AVÀÇÂÛ̳  Myeong Kim  Oral 09:42-9:51 Independence F-H (Marriott Marquis)
Did permafrost thaw contribute to the deglacial rise in greenhouse gases? (Invited)  Miriam Jones  Poster 13:40 - 17:30 Poster Hall