Exploring the Sun's Role in a Changing Cryosphere
March 31 - April 4, 2025
Fairbanks, Alaska
Science Program Agenda
The full Abstract Book with details about the presentation summaries and authors will be distributed at the Symposium
Monday, March 31
Welcoming Reception
Fountainhead Antique Auto Museum at Wedgewood Resort
Tuesday, April 1
Sunrise Breakfast Buffet – Scrambled Eggs, Sausage and Bacon, Seasonal Fruit, Assorted Pastries, Breakfast Potatoes
Welcome/Introduction
Tom Woods, LASP, University of Colorado Boulder
Tristan L’Ecuyer (Keynote), University of Wisconsin-Madison
The Arctic Energy Balance Response to Increasing Solar Absorption
Patrick Taylor (Invited), NASA Langley Research Center
The albedo of sea ice: Observations, Models, and Arctic Climate Change
Svetlana Stuefer (Invited), University of Alaska Fairbanks
Overview of NASA SnowEx Alaska field campaigns in 2022-2023
Sebastian Schmidt (Invited), University of Colorado, Boulder
The 2024 Arctic Radiation – Cloud-Aerosol-Surface Interaction Experiment (ARCSIX) – Background, Implementation First Results
Break
Armin Sorooshian (Invited), University of Arizona
Overview of NASA’s Aerosol Cloud Meteorology Interactions over the Western Atlantic Experiment (ACTIVATE)
Dong Wu, NASA Goddard Space Flight Center
Polar Cloud Observations from Multi-LEO Stereo IR Imaging During Day and Night
Scott Bailey (Invited), Virginia Tech
Natural and Anthropogenic Influences on Polar Mesospheric Clouds: What We’ve Learned from Satellite Observations
Lunch Buffet – Taco Bar
Francesco Berrilli (Keynote), Dipartimento di Fisica, Universitá degli Studi di Roma Tor Vergata, Rome, Italy
Reconstructing a Thousands Years of Solar Irradiance
Theodosios Chazistergos (Invited), Max Planck institute for solar system research, Göttingen, Germany
Reassessing the Hoyt and Schatten 1993 Total Solar Irradiance Model
Erik Richard (Invited), LASP, University of Colorado Boulder
The TSIS-1 & 2 Contributions to a Long-term Solar Spectral Irradiance Data Record
Break
Natalie Krivova (Invited), Max Planck institute for solar system research, Göttingen, Germany
Understanding Modeling, and Reconstructing Solar Irradiance Variability Across Different Time Scales
Odele Coddington and Judith Lean (Invited), Laboratory for Atmospheric and Space Physics, University of Colorado Boulder
Recent Advances in Modeling the Magnitude and Variability of Solar Irradiance: The New Version 3 of the Operational NOAA/NCEI Solar Irradiance Climate Data Record
Greg Kopp, LASP, University of Colorado Boulder
TSI Topics
Mustapha Meftah, CNRS-UVSQ-LATMOS
The SOLAR-HRS New High-Resolution Solar Spectra for Disk-Integrated, Disk-Center, and Intermediate Cases
Tom Woods, LASP, University of Colorado Boulder
Creation and Testing of Next-generation Irradiance Proxies (CATNIP): Filling the Gaps in TSIS-1 Observations
Janet Machol, CIRES, University of Colorado Boulder
Fifty Years of GOES Solar Irradiance Measurements
Wednesday, April 2
Sunrise Breakfast Buffet
Scrambled Eggs, Sausage and Bacon, Seasonal Fruit, Assorted Pastries, Breakfast Potatoes
Mark Serreze (Keynote), CIRES National Snow and Ice Data Center, University of Colorado, Boulder
Albedo Feedback and Arctic Amplification: A Complex Beast
Xianglei Huang (Invited), University of Michigan, Ann Arbor
Understand the influence of solar spectral irradiance on the high-latitude climate: a spectral albedo feedback perspective and implication for the 2020s temperature anomaly
Leah Bertrand (Invited), CIRES, University of Colorado Boulder
Increasing wintertime Arctice cloud opacity increases surface longwave radiation at a long-term observatory
Lorenza Lucaferri, University of Rome Tor Vergata
Climate sensitivity of polar regions to solar irradiance minima
Break
Lynn Harvey (Invited), LASP, University of Colorado Boulder
The role of polar vortex in Sun-Earth coupling via the descent of EPP-produced NOx.
Jae Lee, UMBC and GSFC
Dynamical Impact of the Southern Annular Mode on the stratospheric temperature and ozone hole
Matt Deland, Science Systems and Applications, Inc, (SSAI)
Polar Mesospheric Clouds: Hemispheric Differences and Long-Term Behavior
Lunch Buffet – Chicken Teriyaki
Tim Jull (Keynote), Geosciences, University of Arizona
Large solar flares and other events recorded in carbon-14 in tree rings
Tiehan Zhou, NASA Goddard Institute for Space Studies, New York
Exploring the Modulation of the QBO Periods by the Solar Cycle.
Jia Yue, NASA Goddard Space Flight Center
Two solar cycles of SABER/TIMED middle atmosphere observations and lessons learned.
C.A. Hoopes, Lunar and Planetary Laboratory, University of Arizona, Tucson
Effects on the North Pacific Storm Track of 27-day Solar UV Forcing of Stratospheric Circulation.
FREE TIME! Take a breather before the evening poster session!
Wedgewood Resort has a 75-acre wildlife sanctuary and a 2,000-acre migratory waterfowl refuge to explore!
Poster Session / Reception
Wedgewood Conference Center – Garden Room
Chair: Odele Coddington, Tom Woods
There are 30 posters to view and discuss during the poster session along with drinks and light refreshments. The poster presentations are listed at the end of this schedule.
Thursday, April 3
Wedgewood Resort - Lobby
OVERNIGHT – BOREALIS TOUR (WEATHER PERMITTING) – MEET IN LOBBY TO DRIVE TO POKER FLATS OR OTHER DESIGNATED LOCATION
TIME AND LOCATION WILL BE DETERMINED ON TUESDAY, APRIL 1
NO GROUP BREAKFAST SERVED – LATE START
PERMAFROST TOUR – SESSION 1 MEET IN LOBBY – DEPART NO LATER THAN 8:20!
PERMAFROST TOUR – SESSION 1
PERMAFROST TOUR – SESSION 2
LUNCH – ON YOUR OWN
Wedgewood Conference Center – Borealis Ballroom/Board Room
Ralph Kahn (Keynote), LASP, University of Colorado Boulder and NASA GSFC
Volcanic Solar-Radiation (Mis)Management – The Historical Record
Matthew Toohey (Invited), University of Saskatchewan
Volcanic eruptions and climate: tracing impacts through time
Nicolas Brehm (Invited), Laboratory of Tree Ring Research, University of Arizona, and Laboratory of Ion Beam Physics, ETH Zurich
Studying solar variability with radiocarbon in tree rings
Irina Panyushkina, (1) Laboratory of Tree-Ring Research, University of Arizona, USA (2) Earth Systems Research Center, University of New Hampshire, USA
Tree rings as proxy of Arctic hydrology interactions
Break
Francois LaPointe, University of Massachusetts, and WCRP Climate & Cryosphere Office
Exploring the Sun-Climate Connection through Annually Laminated Sediments
R.J. Graham (Keynote), University of Chicago
Resilience of Neoproterozoic Earth to Snowball Glaciation by CO2 Drawdown
Yang Wang (Invited), Florida State University, Tallahassee
Tropical cyclone activity over the last millennia tempered by solar and climatic variability
MEET IN LOBBY FOR CAR-POOLING TO PUMP HOUSE
Science Dinner – Pump House
view menu
Friday, April 4
Rise n Shine Breakfast Buffet
Hot Breakfast Sandwich, Cheesy Hash Brown Bake, Seasonal Fruit, Reindeer Sausage, Greek Yogurt with Granola and Dried Fruit
Andy Aschwanden (Keynote), University of Alaska Fairbanks
Contribution of the Greenland Ice Sheet to sea level over the next millennium
Peter Pilewskie (Invited), LASP, University of Colorado Boulder
Libera’s Contributions to Earth Radiation Budget Continuity
Jake Gristey (Invited), CIRES, University of Colorado Boulder
Monitoring Earth’s Spectral Reflected Solar Radiation to Reveal Properties and Processes that Control Albedo
Yolanda Shea (Invited), NASA LaRC
CLARREO Pathfinder: A Key Component of the Space-based Climate Observing System
Cameron Straatsma (Invited), LASP, University of Colorado Boulder
BABAR-ERI and SABAR – Innovative Instrumentation for Imaging Earth’s Broadband Radiation at Hight Spatial Resolution and Low Uncertainty
Madhulika Guhathakurta, NASA HQ
Building Community-Oriented AI Foundation Models in Heliophysics and Its Potential for Sun Climate Research
Shah Bahauddin, LASP, University of Colorado Boulder
SMART: Solar Irradiance science team’s ML-Automated Retrieval of TSI
Serena Criscuoli, National Solar Observatory
Validating solar atmosphere models with IAG spectra: the case of Balmer lines
Susan Breon, NASA Goddard Space Flight Center
TSIS-2 Preparing for Launch
Tom Woods, LASP, University of Colorado Boulder
Wednesday, April 2, 4:30 – 6:30 pm
Organized by Session Themes (as of February 8, 2025):
- Debi Choudhary, California State University Northridge
Variability of Solar Chromospheric Spectral Lines and the Magnetic Field - Angela Cookson, San Fernando Observatory, California State University Northridge
Investigating solar irradiance variability from space-based Solar Dynamics Observatory images - Valentina Penza Universitá degli Studi di Roma Tor Vergata, Rome, Italy
Long-term Reconstruction of Solar UV Bands - Adriana Valio, Center for Radio Astronomy and Astrophysics Mackenzie, Mackenzie Presbyterian University, Sãu Paulo, Brazil
Submillimeter Solar Radius as a Proxy for Solar Irradiance: Implications for Earth’s Climate Variability - Steven Penton, LASP, University of Colorado Boulder
GHOTI: GOES High-Cadence Operational Total Irradiance 2025 Status Update - Matt DeLand, Science Systems and Applications, Inc, (SSAI)
Solar Spectral Irradiance Variability – Cycles 24,25 and Beyond - Tom Eden, LASP, University of Colorado Boulder
Degradation Correction Method for GOES-R Series EXIS EUVS-C Signals - Abagail Mthethwa, South African National Space Agency
Can Geostationary Operational Environmental Satellite (GOES) ultraviolet measurements predict the X-ray properties of flares? - Marty Snow, South African National Space Agency
Once is not enough: Why high-cadence Mg II is important - Katlego Makgatle, Department of Physics and Astronomy, University of Western Cape, South Africa
Solar flare duration forecast: Will you be there in the morning? - Shun-Rhong Zhang, MIT Haystack Observatory
M1.0 class solar flare induced ionospheric perturbations and concurrent atmospheric gravity waves around the flare on 29 November 2015? - Hunter Leise, LASP, University of Colorado Boulder
LASP Interactive Solar Irradiance Datacenter (LISIRD) - Michael Chambliss, LASP, University of Colorado Boulder
TSIS-1 SIM Electrical Substitution Radiometer Anomaly and Irradiance Corrections - Courtney Peck, LASP, University of Colorado Boulder
A New Method to Model Diode Degradation for TSIS-1 SIM - Caitlin Kessler, LASP, University of Colorado Boulder
TSIS-1 SIM Extended and Long Integration Scan Activities - Lizzie McMaster, LASP, University of Colorado Boulder
Improved TSIS-1 SIM Measurement Precisions for Version 13 - Matthew Maclay, LASP, University of Colorado Boulder
A Study in Blue: Version 13 Updates and Improvements to TSIS-1 SIM UV Solar Record - Ke Yuxuan, of Statistics, University of Michigan
A Novel Approach to Solar Spectral Irradiance Missing Data Imputation with Uncertainty Quantification - Kariyappa, Indian Institute of Astrophysics
Solar EUV, UV & X-ray Irradiance Variability and Their Impacts on Earth’s Climate and Space Weather - Binod Adhikari, Nepal Academy of Science and Technology
Investigating the Eastward Electric Field Penetration in Relation to Solar Activity Indices during Solar Storms. - Robert Weber
Arctic Sea Ice Responds to Ocean Warming/Cooling Dependent on Solar Activity Above/Below Threshold - Ranjikhumar Solanki
Hourly PM 2.5 and PM10 Matter Concentrations Prediction in Pune, India, Using AERONET Aerosol Optical Depth (AOD) and Meteorological Data - Stéphane Beland, LASP, University of Colorado Boulder
Preparation for TSIS-2 Commissioning and Science Data Processing - Stéphane Beland, LASP, University of Colorado Boulder
Exploring New Instrument degradation Models and Algorithms (ENIGMA) - Francesco Berrilli, Dipartimento di Fisica, Universitá degli Studi di Roma Tor Vergata, Rome
SEE: a CubeSat to Study Solar Activity and Space Weather - Tom Patton, LASP, University of Colorado Boulder
The ESCAPE Mission: Exploring the Stellar Drivers of Exoplanet Habitability - Ishay Haykeen
Automated Sunspot and Faculae Segmentation for Total Solar Irradiance Prediction using Attention U-Net - Nouhaila Bouhadi, Chouaïb Doukkali University, El Jadida
Hybrid Optimization for Space Weather Parameterization: Exploring Solar Influences on Climate Variability - Pascal Buri, University of Alaska Fairbanks
Land Surface Modeling Informed by Earth Observation Data: Towards Understanding Blue-Green-White Water Fluxes in High Mountain Asia - MS Midhun, Astrophile-India-Kerala
These studies are crucial in understanding the Earth’s climate system & how it responds to different factors, including volcanic eruptions, solar radiation, ocean circulation, and human activity.
- Debi Choudhary, California State University Northridge
