Geophysical Institute research at the American Geophysical Union 2023 Fall Meeting

December 11, 2023 /

Geophysical Institute researchers and students are attending the American Geophysical Union Fall Meeting 2023 from Dec. 11–15 in San Francisco, Calif., and virtually.

SCIENCE REPORTERS: For interview requests before or during AGU, contact University of Alaska Fairbanks Geophysical Institute science communicator Rod Boyce at 907-347-9105 (cell) or rcboyce@alaska.edu.

Read our media tip sheets for these GI research disciplines:

Read our media tip sheets by daily schedule:

Coming soon

Follow the GI on LinkedIn, X (Twitter) or Facebook for updates during the meeting. Check out the hashtag #UAFxAGU to see how UAF is participating in AGU 2023.

If you're attending AGU in San Francisco, visit the UAF booth #431 to meet researchers, students and staff from the Alaska Satellite Facility, Geophysical Institute, International Arctic Research Center and more. Read the International Arctic Research Center schedule of talks and posters at AGU.

The schedule for GI talks and posters is listed below. All times are shown in Pacific Standard Time. Download a PDF of this full schedule.

Monday, Dec. 11, 2023
Talks

Time (PST)	Presenter	Title	Type	Location
8:30-8:39	Lynda McGilvary	Cultural Connections to Alaska Science (CCAS): A Process for Co-Creating Place-Based, Culturally Grounded Resources for Indigenous Learners	Talk	205-206 - South
8:40-8:50	Bryant Chow	Ambient Noise Adjoint Tomography of Northern Alaska	Talk	156 - South
8:45-8:48	David Fee	Towards a Generalized Machine Learning Model to Detect and Classify Volcano Seismicity	eLightning	eLightning Theater V, Hall D - South
8:57-9:06	Doğacan Ozturk	Advancing Space Weather Research in Alaska Through Collaborations with High Schools: The Space Weather UnderGround Program	Talk	205-206 - South
10:40-10:50	Peter Delamere	Alfven waves and electron energization in the Kinetic-Scale Energy and Momentum Transport Experiment (KiNET-X) sounding rocket mission	Talk	207 - South
10:45-11:00	Mark Conde	Neutral Winds and Ion Drifts Within the Thermospheric Footprint of Earth's Northern Geomagnetic Cusp, Measured Using Drifts of Vapor Tracer Clouds Released by the C-REX-2 Sounding Rocket	Invited Talk	208 - South
10:52-11:02	Alexander Kholodov	Dynamics of the active layer thickness in the watershed of Yukon River: Indigenous Observation Network (ION) 2.0	Talk	2005 - West
11:10-11:20	Tianlang Zhao	Global evaluation of Formaldehyde (HCHO) summertime diurnal variability using Pandonia Global Network (PGN)	Talk	3002 - West
11:20-11:30	Peter Damiano	Model-data comparisons of electron signatures associated with kinetic Alfven waves in the magnetotail and cusp.	Talk	207 - South
14:28-14:31	Xi Lu	Interaction between the Bow Shock and a Solar Wind Density Hole	eLightning	eLightning Theater IV, Hall D - South
16:00-16:10	Darren Tan	Volcano seismic and acoustic tremor regimes at Pavlof Volcano, Alaska revealed by machine learning	Talk	153 - South
16:06-16:09	Victor Devaux-Chupin	20 years of Climatic Mass Balance of Sít' Tlein (Malaspina Glacier), Southeast Alaska	eLightning	eLightning Theater III, Hall D - South
16:10-16:20	David Polashenski	Borehole tiltmeters constrain changes in basal motion over >50 years on Athabasca Glacier, Alberta, Canada	Talk	2005 - West
17:04-17:14	Simon Zwieback	Profiles of Near-surface Excess Ground Ice from Satellite Radar Interferometry	Talk	2004 - West

Posters (12/11)

Time (PST)	Presenter	Title	Type	Location
8:30-12:50	Paul Bernhardt	Identification of Inert Satellites and Space Debris with Measurements of Self Generated Electrostatic and Electromagnetic Waves in Space Plasmas	Poster	Poster Hall A-C - South
8:30-12:50	Charles Owolabi	Global Ionospheric Current Response to the Annular Solar Eclipse on 21 June 2020: Observation and Modeling.	Poster	Poster Hall A-C - South
8:30-12:50	Victor Devaux-Chupin	ITS_LIVE Tools: a comprehensive python package and interactive notebooks to download and analyze global glacier surface velocity data	Poster	Poster Hall A-C - South
8:30-12:50	Ezgi Karasozen	Can a diverse array of monitoring techniques reveal insights into precursor activity in the Barry Arm Landslide, Alaska?	Poster	Poster Hall A-C - South
8:30-12:50	Kenneth Macpherson	Estimating Crustal Velocity Structure in Alaska from Acoustic-to-Seismic Coupling of Infrasound from the 2022 Hunga Eruption, Tonga	Poster	Poster Hall A-C - South
8:30-12:50	James Milburn *first author Franz Meyer	Open Science at the Alaska Satellite Facility	Poster	Poster Hall A-C - South
8:30-12:50	Sumana Sahoo	Monitoring Forest Disturbances in Alaska using Polarimetric synthetic aperture radar (PolSAR)	Poster	Poster Hall A-C - South
14:10-18:30	Nathaniel Brockway	Refining satellite-based NOx emission estimates via airborne remote sensing	Poster	Poster Hall A-C - South
14:10-18:30	Michael Christoffersen	No Measurable Inflation-Deflation Cycles Associated with Strombolian Eruptions at Mt. Erebus	Poster	Poster Hall A-C - South
14:10-18:30	Nathan Graham	Post-Emplacement Degassing at Obsidian and South Deadman Lava Domes, Mono-Inyo Craters, Eastern California	Poster	Poster Hall A-C - South
14:10-18:30	Pralhad Itani	Investigation of Cross Polar Cap Potential Uncertainties due to Estimation Sources and Solar wind Data Gaps	Poster	Poster Hall A-C - South
14:10-18:30	Ezgi Karasozen	A call from early-career Turkish scientists: seismic resilience is only feasible with “earthquake culture”	Poster	Poster Hall A-C - South
14:10-18:30	Kaytan Kelkar	Geomorphological Characteristics of Rock Glaciers in the Central Alaska Range, Alaska	Poster	Poster Hall A-C - South
14:10-18:30	Gunther Kletetschka	Workflow for non-destructive cryptotephra identification, extraction, and quantification from lacustrine sediment cores	Poster	Poster Hall A-C - South
14:10-18:30	Gunther Kletetschka	Molten Fragments Found 60 km West from the Epicentre of the Tunguska Airburst	Poster	Poster Hall A-C - South
14:10-18:30	Quetzal Larrick	Additively Manufactured Plastic Top-Hat Electrostatic Analyzer	Poster	Poster Hall A-C - South

Tuesday, Dec. 12, 2023
Talks

Time (PST)	Presenter	Title	Type	Location
8:30-8:45	Vladimir Romanovsky	High-Resolution Permafrost Modeling Across the Yamal Peninsula, Russia	Invited Talk	2010 - West
9:40-9:50	Yuan Tian	Analysis of Seismic Wave Amplification in Basins Using 3D Seismic Simulations	Talk	156 - South
10:25-10:35	Mark Fahnestock	Insights From the Combination of Decadal-Scale Observational Records of Alaskan Glaciers	Invited Talk	2004 - West
10:30-10:40	Franz Meyer	Validation Results of the OPERA RTC-S1 Product	Talk	158 - South
10:30-10:40	Victor Devaux-Chupin	Streamlined processing and analysis of glacier surface velocity data using ITS_LIVE Tools	Talk	2005 - West
16:10-16:20	Florian Hofmann	Exploring microCT pre-screening as a tool to improve the accuracy and precision of 40Ar/39Ar ages	Talk	154 - South
16:30-16:40	Doğacan Ozturk	Disentangling the solar wind drivers of asymmetric ground magnetic field response through numerical experiments	Talk	205-206 - South
16:51-17:03	Taryn Lopez	Recycling of Slab Carbon to the Atmosphere: New Insights from the Aleutian-Alaska Arc	Invited Talk	151 - South

Posters (12/12)

Time (PST)	Presenter	Title	Type	Location
8:30-12:50	Joshua Hostler	Exploring the Climate Variability of Lighting in Alaska using a SOM-Random Forest Model	Poster	Poster Hall A-C - South
8:30-12:50	Gabrielle Nowak	Asymmetric Responses in Geomagnetic Perturbations During Active Times	Poster	Poster Hall A-C - South
8:30-12:50	Tara Shreve	Time-dependent Numerical Modelling of Gas and Heat Transfer Through a Solidified Lava Dome	Poster	Poster Hall A-C - South
14:10-18:30	Uma Bhatt	Developing models using teleconnections, sea ice, snow-off, and air temperatures to predict NDVI in Western Alaska	Poster	Poster Hall A-C - South
14:10-18:30	James Campbell	First in-situ characterization of organic aerosols in North American boreal forest	Poster	Poster Hall A-C - South
14:10-18:30	Kim Fairbanks	Sentinel-1 Bursts: Bite-sized, Consistently Framed SLC Data from ASF	Poster	Poster Hall A-C - South
14:10-18:30	Emily Graves	In a State of Deformation: Statewide InSAR Observations of Surface Deformation in New Mexico, USA	Poster	Poster Hall A-C - South
14:10-18:30	Chung-Sang Ng	Alfvén Wave Propagation Through Jupiter’s Magnetodisc	Poster	Poster Hall A-C - South
14:10-18:30	Austin Smith	Meridional Magnetic Flux and Plasma Flow in Jupiter’s Midnight-Dawn Magnetosphere: A Juno Data - GAMERA Model Comparison	Poster	Poster Hall A-C - South
14:10-18:30	Chynna Spitler	Examining the Variability of Jupiter’s Magnetodisc Through Analysis of Juno Data	Poster	Poster Hall A-C - South
14:10-18:30	Amrit Thapa	Evaluating Atmospheric Correction Methods for Sentinel-1 Interferometry on the South Side of the Himalayas	Poster	Poster Hall A-C - South
14:10-18:30	Valerie Kelly Wasser	Exploring the Magmatic Plumbing System of Pavlof Volcano, Alaska over Time with Olivine-Hosted Melt Inclusions	Poster	Poster Hall A-C - South
14:10-18:30	Forrest Williams	On-Demand Burst-Based InSAR Products Now Available via HyP3!	Poster	Poster Hall A-C - South

Wednesday, Dec. 13, 2023
Talks

Time (PST)	Presenter	Title	Type	Location
8:30-8:40	Taryn Lopez	Lessons learned from using ~4 years of satellite SO2 observations to inform volcano monitoring and eruption warnings by the Alaska Volcano Observatory	Invited Talk	152 - South
8:39-8:48	Lynda McGilvary	Engaging Young Rural Alaska Learners in Place-based STEM Learning with Drone-based Activities	Talk	203 - South
9:10-9:20	Simon Zwieback	Satellite Observations of Variable Stand-level Tree Mortality Following the Ongoing Spruce Beetle Outbreak in Alaska	Talk	3006 - West
9:30-9:40	Vanesa Burgos	Towards Developing a Probabilistic Eruption Forecasting Model for Redoubt Volcano, Alaska	Talk	152 - South
9:32-9:42	Jamshid Moshrefzadeh	Two is Better than One: Multi-Phase Crystal Clusters Pinpoint Pre- and Syn-Eruptive Magmatic Processes	Talk	153 - South
15:04-15:17	Emily Fedders	Observations of Dynamic Floe Rearrangement in Wintertime Beaufort Sea Pack Ice	Invited Talk	2003 - West

Posters (12/13)

Time (PST)	Presenter	Title	Type	Location
8:30-12:50	Heidi Kristenson	Cloud-Optimized Access for OPERA Sentinel-1 RTC Products	Poster	Poster Hall A-C - South
8:30-12:50	Juliann Coffey	Towards Improving Remote Infrasound Station Uptime with Machine Learning Regression	Poster	Poster Hall A-C - South
8:30-12:50	David McAlpin	Evaluating the Contribution of High-resolution X-band SAR Data From TerraSAR-X to Flood Extent Mapping in the Hindu-Kush-Himalaya	Poster	Poster Hall A-C - South
8:30-12:50	Carl Schmitt	A natural laboratory for studying early ice crystal growth in clouds and contrails	Poster	Poster Hall A-C - South
14:10-18:30	Laura Conner	Using small sensors in the context of a co-created, classroom-based citizen science project	Poster	Poster Hall A-C - South
14:10-18:30	Louise Farquharson	Hazard mapping in the discontinuous permafrost zone of Fairbanks, Alaska, USA	Poster	Poster Hall A-C - South
14:10-18:30	Louise Farquharson	Coastal change and ground thermal dynamics across three communities in the Alaska North Slope Borough	Poster	Poster Hall A-C - South
14:10-18:30	Rajan Itani	An update on Long-Term Trends in Fabry-Perot Interferometer Observations of Thermospheric F-Region Neutral Temperature	Poster	Poster Hall A-C - South
14:10-18:30	Skye Kushner	Characterizing Volcanic SO2 Emission Rates Using Single-Station Scanning DOAS Instrumentation; Measurements from Cleveland, Korovin, and Gareloi Volcanoes, Alaska	Poster	Poster Hall A-C - South
14:10-18:30	Kaytan Kelkar	A Very-Low Frequency Survey on the Rainbow Ridge Rock Glacier, Alaska	Poster	Poster Hall A-C - South
14:10-18:30	Hans Stenbaek- Nielsen	High-speed Imaging of Sprite Streamers	Poster	Poster Hall A-C - South

Thursday, Dec. 14, 2023
Talks

Time (PST)	Presenter	Title	Type	Location
9:20-9:30	Andy Aschwanden	Calibrated mass loss predictions for the Greenland Ice Sheet	Talk	2005 - West
11:40-11:50	Indujaa Ganesh	On the detectability of young lava flows on Venus using orbital microwave radiometry	Talk	211 - South
14:13-14:16	Yitian Cheng	Analysis of 2016-2018 inflation in Alaskan Makushin Volcano and its potential relation to the 2020 earthquake swarm, revealed by GNSS observations	eLightning	eLightning Theater V, Hall D - South
15:30-15:40	Wisnu Priyanto	Crustal Images of the Canada Basin and Its Relationship with the Extinct Mid Oceanic Ridge	Talk	155 - South
16:45-16:55	Doğacan Ozturk	Fostering Diversity in Space Science: Insights from the Nomination Task Force's Ongoing Efforts in Recognizing Underrepresented Scientists	Talk	203 - South

Posters (12/14)

Time (PST)	Presenter	Title	Type	Location
8:30-12:50	Cecilia Borries-Strigle	Impact of Bering Strait Heat Transport on Regional Arctic Sea Ice Predictability	Poster	Poster Hall A-C - South
8:30-12:50	Achille Capelli	Deriving sea ice thickness and water depth with UAV and ground-based multifrequency EM sounding	Poster	Poster Hall A-C - South
8:30-12:50	Jennifer Delamere	Tracking Natural Hazards Over Alaska with Satellite Direct-Broadcast Products	Poster	Poster Hall A-C - South
8:30-12:50	Gunther Kletetschka	A sequence of volcanic events from sediment cores IODP398, U1589, near Santorini	Poster	Poster Hall A-C - South
8:30-12:50	Thomas Logan	Assessing CEOS-ARD Adoption at the ASF DAAC	Poster	Poster Hall A-C - South
14:10-18:30	Matthew Franciscovich	High-Resolution Three-Dimensional Particle-In-Cell Simulations of Two-Dimensional Bernstein-Greene-Kruskal Modes	Poster	Poster Hall A-C - South
14:10-18:30	Ronni Grapenthin	Magmatic intrusion at Aniakchak Caldera, Alaska, related to the 2021 M8.2 Chignik earthquake?	Poster	Poster Hall A-C - South
14:10-18:30	Amy Jenson	Disentangling the drivers of flow variability on Greenland outlet glaciers	Poster	Poster Hall A-C - South
14:10-18:30	Andrew Johnson	Spatial analysis of snowmelt on glaciers in Alaska and High Mountain Asia using Sentinel-1 SAR observations	Poster	Poster Hall A-C - South
14:10-18:30	Sam McKay	High Latitude Ionospheric Variability over HAARP as Monitored with the Cordova-Delta Junction Oblique Ionosonde in Alaska	Poster	Poster Hall A-C - South

Friday, Dec. 15, 2023
Talks

Time (PST)	Presenter	Title	Type	Location
9:00-9:10	Hannah Mevenkamp	Arctic ecosystem modeling: What role can paleo history play in reducing model uncertainty?	Talk	3009 - West
9:36-9:44	Chung-Sang Ng	Local Kinetic Analysis for the Instability Observed in Particle-In-Cell Simulations of Two-Dimensional Bernstein-Greene-Kruskal Modes	Talk	213-214 - South
10:40-10:55	Vladimir Romanovsky	Ground Heat Flux into Permafrost as an Indicator of Permafrost Degradation	Invited Talk	2004 - West
14:10-14:25	Dmitry Nicolsky *first author Elena Suleimani	In Search of the Missing Tsunami: Is There a Tsunami Threat to Anchorage?	Talk	2016 - West
14:30-14:40	Paul Bernhardt	Controlled Ionospheric Amplification of Whistler and EMIC Waves from Ground VLF/ELF Transmitters for Removal of Radiation Belt Particles	Invited Talk	207 - South

Posters (12/15)

Time (PST)	Presenter	Title	Type	Location
8:30:-12:50	Dillon Gillespie	Relative Contribution of Whistler Mode Chorus and Electron Cyclotron Harmonic Waves to Global Diffuse Electron Aurora and Ionospheric Conductance patterns.	Poster	Poster Hall A-C - South
8:30:-12:50	Vincent Ledvina	Observations of Pseudo Auroral Breakups preceded by Auroral Beads	Poster	Poster Hall A-C - South
8:30:-12:50	Annegret Pohle	The Greenland Ice Sheet in the 1980s -- Reconstructing a DEM from Coastal Observations by Learning from Modeled Geometries	Poster	Poster Hall A-C - South
8:30:-12:50	Revathy Parameswaran	Catalog of Rapidly Characterized Earthquakes using Instantaneous GNSS Velocities	Poster	Poster Hall A-C - South
8:30:-12:50	Anika Pinzner	An Examination of Water-Related Melt Processes in Arctic Tundra and Sea-Ice Snow	Poster	Poster Hall A-C - South
14:10-18:30	Louise Farquharson *first author Nicholas Hasson	Estimating century scale carbon emissions across a sub-aerial talik chronosequence in yedoma permafrost near Fairbanks Alaska	Poster	Poster Hall A-C - South
14:10-18:30	Sergey Marchenko	Assessment of Gravel Pad Effect on Permafrost Across Different Ecosystems of Alaska.	Poster	Poster Hall A-C - South
14:10-18:30	Dmitry Nicolsky	Impacts of climate warming on ice rich permafrost on the North Slope of Alaska	Poster	Poster Hall A-C - South
14:10-18:30	Cameron Westerlund	Probing the viability of auroral emission ratio inversion techniques for determining ionospheric modification.	Poster	Poster Hall A-C - South

Monday, Jan. 22, 2024

Time (PST)	Presenter	Title	Type	Location
8:00-9:30	Vikas Sonwalkar	A new interpretation of Nu whistlers observed on the OGO-1 satellite: Nu specularly reflected (SR) whistlers	Poster*	*Online
8:00-9:30	Amani Reddy	Occurrence Patterns of Magnetospherically Reflected (MR) and Specularly Reflected (SR) Whistlers Observed on Van Allen Probes	Poster*	*Online

Thursday, Jan. 25, 2024

Time (PST)	Presenter	Title	Type	Location
10:00-11:30	Bryant Chow	adjTomo: An Open-source, Python Toolkit for Adjoint Tomography and Full Waveform Inversion	Poster*	*Online