Solar and Stellar Variability and its Impacts on Earth and Exoplanets
October 16-20, 2023
Flagstaff, Arizona
(Preliminary as of September 19, 2023)Monday, October 16
Welcoming Reception (Lowell Observatory)
Tuesday, October 17
Continental Breakfast
8:00 – 8:10 am
Welcome/Introduction
Tom Woods, LASP, University of Colorado, Boulder
8:10 – 8:35 am
Overview of NASA Sun-Climate Missions and Research Projects
Erik Richard, LASP, University of Colorado, Boulder
Session 1. Solar and Stellar Activity Cycles
Chair: Greg Kopp
8:35 – 9:10 am
9:10 – 9:35 am
Travis Metcalfe (Invited), WDRC
Constraints on Dynamo Evolution from Spectropolarimetry of Solar Analogs
9:35 – 10:00 am
Chair: Joe Llama
10:00 – 10:25 am
Adam Kowalski (Invited), University of Colorado, LASP, NSO
Recent Advances in Electron Beam Transport and Implications for White-Light Flares
10:25 – 10:40 am
Debi Prasad Choudhary, Department of Physics and Astronomy, California State University Northridge
Sun-as-a-star spectral line variability using high resolution daily spectra
10:40 – 10:55 am
Garrett Zills, Augusta University, National Solar Observatory
Variability of Sun-as-a-star observations of Hα and Ca II 854.2 nm lines
10:55 – 11:10 am
Lisa Upton, SWRI, CU/LASP, SSRC, NRL
AFT: A Window into the Past – Simulating the Sun’s Photospheric Magnetic Field for a Historical TSI Reconstruction
11:10 – 11:25 am
11:25 – 11:50 am
Moira Jardine (Invited), University of St. Andrews
Twists and turns: Space weather around other Suns
11:50 – 1:00 pm
Chair: Joe Llama
1:00 – 1:15 pm
Juan Carlos Trelles Arjona, LASP, CU
Solar-cycle and Latitude Variations in the Internetwork Magnetism
1:15 – 1:30 pm
Andrés Munoz-Jaramillo, Southwest Research Institute, National Solar Observatory, University of Colorado ‐ Boulder, Universidad Nacional de Colombia
Solar Dynamo Davaverse Update: A repository of long-term Magnetic and Optical Data
1:30 – 1:45 pm
Dan Lubin, UCSD Scripps Institution of Oceanography and Department of Astronomy and Astrophysics
Hamilton Echelle Spectrograph Observations of Solar Analog Field Stars
Session 2. Impacts of Stellar Variability on Planetary Atmospheres
Chair: Tyler Ryburn
1:50 – 2:25 pm
Aline Vidotto (Keynote), Leiden Observatory
The impact of stellar activity and winds on the escaping atmospheres of exoplanets
2:25 – 2:50 pm
Robin Ramstad (Invited), Laboratory for Atmospheric and Space Physics, University of Colorado Boulder
Does Earth’s Intrinsic Magnetosphere Protect our Atmosphere from the Solar Wind? Comparative Measurements of Atmospheric Ion Escape at Earth, Venus, and Mars
2:50– 3:05 pm
3:05 – 3:35 pm
Break
Chair: Tyler Ryburn
3:35 – 4:00 pm
Laura Amaral (Invited, Thomas Metcalf Lecturer), Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, School of Earth and Space Exploration, Arizona State University, NASA Virtual Planetary Laboratory Lead Team, Department of Astronomy, University of Washington,Center for Computational Astrophysics
XUV-Driven Atmospheric Mass Loss of M Dwarf Planets due to Flaring
4:00 – 4:25 pm
Ward Howard (Invited), University of Colorado, Boulder
Constraining Exoplanet Atmospheres with Multi-wavelength Flare Campaigns
4:25 – 4:40 pm
Yuta Notsu, CU Boulder / LASP / NSO, NAOJ, JAXA/ISAS, NASA/GSFC, American Univ., Univ. of Tokyo, National Defense Academy of Japan
XUV Spectra of Active Sun-like Stars and the Young Sun: Scaling Relations based on the Long-term Sun-as-a-star datasets
4:40 – 4:55 pm
Nina-Elisabeth Nemec, University of Göttingen
Spectral profile of Short-Term Irradiance Variations of Solar-like Stars
Wednesday, October 18
7:00 – 8:00 am
Continental Breakfast
Session 3. Evidence of Centennial and Longer-term Variability in Climate Change
Chair: Jae Lee
8:00 – 8:35 am
V. Ramaswamy (Keynote), NOAA Geophysical Fluid Dynamics Laboratory
Radiative Forcing of Earth’s Climate in the 20th and 21st Centuries: Theory, Modeling and Observations
8:35 – 9:00 am
Timothy Jull (Invited), Department of Geosciences, University of Arizona, Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, Laboratory for Tree-Ring Research, University of Arizona, National Physical Laboratory, Siberian Federal University, SBRAS Institute of Archaeology and Ethnography, School of Natural Resources, College of Wooster, Institute for Space-Earth Environmental Research, Nagoya University
Records of space weather found in 14C production rates in tree rings and connections to solar activity and solar flare events
9:00 – 9:25 am
9:25 – 9:40 am
Hisashi Hayakawa, Nagoya University / Rutherford Appleton Laboratory
Contrasts of the Maunder Minimum and the Dalton Minimum: Archival Analyses
9:40 – 9:55 am
Dan Lubin, UCSD Scripps Institution of Oceanography
Response of the North Atlantic Oscillation in a Future Grand Minimum
9:55 – 10:20 am
Chair: Dan Lubin
10:20 – 10:45 am
Georg Feulner (Invited), Potsdam Institute for Climate Impact Research (PIK), Potsdam, Germany
Implications of long-term changes in solar luminosity on habitability and climate dynamics.
10:45 – 11:00 am
Bernhard Hofer, Max‐Planck‐Institut für Sonnensystemforschung, Justus‐von‐Liebig‐Weg 3, Göttingen, Germany, Georg‐August‐Universität Göttingen, Institute for Astrophysics, Göttingen, Germany
Reconstructing solar irradiance since 1700 from simulated magnetograms
11:00 – 11:15 am
11:15 – 11:40 am
Bibhuti Kumar Jha (Invited, Thomas Metcalf Lecturer), Southwest Research Institute, Boulder, CO; Aryabhatta Research Institute of Observational Sciences, Nainital, India; Max Planck Institute for Solar System Research, Göttingen, Germany
A Century of Solar Observations from Kodiakanal Solar Observatory: New Insights from Ca K Data
11:40 – 11:55 am
Kalevi Mursula, University of Oulu
Oscillating relic magnetic field in the Sun: A new paradigm for space climate allowing multi-cycle forecasting.
11:55 – 12:10 pm
Irina Panyushkina, Laboratory for Tree-Ring Research, University of Arizona
Two in one: climate and solar activity proxies from tree rings.
12:10 – 1:30 pm
1:30 – 4:00 pm
- Sample some of the great breweries or coffee shops in Flagstaff!
- Go for a hike around the Snowbowl Ski Resort – it’s a great time for leaf peeping!
- Check out Walnut Canyon National Monument!
- Check out the art galleries, boutiques and outdoor outfitters in Downtown Flagstaff!
- Take a walk around campus!
4:00 – 6:00 pm
Thursday, October 19
7:00 – 8:00 am
Continental Breakfast
Session 3. (cont.)
Chair: Peter Pilewskie
8:00 – 8:15 am
Serena Criscuoli, Università di Roma Tor Vergata, National Solar Observatory, Zurich University of Applied Sciences
A New Reconstruction of the Total Solar Irradiance During the Last Millennium
Session 4. Evidence of Short-term Variability in Climate Change
Chair: Peter Pilewskie
8:20 – 8:45 am
Bill Collins (Invited), Lawrence Berkeley National Laboratory, University of California, Berkeley
Evidence for hemispheric spectral albedo inequality.
8:45 – 9:00 am
Lon Hood, Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona
Arctic Sea Ice Loss, Long-Term Trends in Extratropical Wave Forcing, and the emergence of the QBO/Solar-MJO Connection
9:00 – 9:30 am
9:30 – 9:45 am
Joachim Raeder, Space Science Center, UNH
Solar Storm Effects on Local Weather
9:45 – 10:15 am
BREAK
10:15 – 10:30 am
Abdanour Irbah, LATMOS/IPSL, UVSQ Université Paris‐Saclay, Sorbonne Université, Space Research Institute, Moscow, Russia
High-resolution solar spectrum in the 0.7-1.7μm domain obtained from TGO observations shows solar lines unreached from ground
10:30 – 10:55 am
Alexei Lyapustin (Invited), NASA GSFC
Trend Analysis of the Northern Hemisphere Wildfires Using MAIAC MODIS Records
10:55 – 11:20 am
Luiz Millan (Invited), Jet Propulsion Laboratory, California Institute of Technology
The Hunga-Tonga-Hunga-Ha’apai water vapor wandering within the atmosphere a 2-year journey.
11:20 – 11:35 am
Jae Lee, University of Maryland, Baltimore County, NASA Goddard Space Flight Center
The Absent Solar Cycle Response of the Polar Mesospheric Clouds.
11:35 – 2:00 pm
Lunch – on your own
Session 5. Trending of Solar Variability and Climate Change for Solar Cycle 25 (present and future)
Chair: Odelle Coddington
2:00 – 2:25 pm
Lisa Upton (Invited), Southwest Research Institute
The Solar Cycle 25 Prediction, Progress, and Prospects
2:25 – 2:40 pm
Matthew Deland, Science Systems and Applications, Inc.
Solar Spectral Irradiance Variability in Solar Cycle 25: Observations and Context
2:40 – 2:55 pm
Sergey Marchenko, Science Systems and Applications, Inc., Lanham, MD
Sun-as-a-Star spectral line variability in 300-2400nm range
2:55 – 3:20 pm
Angie Cookson (Invited), San Fernando Observatory, California State University Northridge
A short history of the San Fernando Observatory and its
Photometry Program
3:20 – 3:50 pm
BREAK
Chair: Tom Woods
3:50 – 4:05 pm
Dave Harber (Invited), Laboratory for Atmospheric and Space Physics, National Institute of Standards and Technology
Low Uncertainty in a Small Package: Results from the first year of on-orbit operations of the CTIM CubeSat instrument and implications for future solar observations from SmallSats
4:05 – 4:30 pm
Don Wuebbles (Invited), University of Illinois Urbana-Champaign
Past and Projected Changes in the Earth’s Climate: The Science
4:30 – 4:45 pm
Margit Haberreiter, Physikalisch‐Meteorologisches Observatorium Davos and World Radiation Center, WSL, Schnee‐ und Lawinenforschung, Laboratory for Atmospheric and Space Physics, University of Oslo and Norwegian Space Agency, UTIAS, Statsat
Total Solar Irradiance as Measured with CLARA onboard NorSat-1- In Orbit Performance and Data Release
6:00 – 7:00 pm
Reception – 1899 Ballroom and Patio
7:00 – 9:00 pm
Chair: Tom Woods
Friday, October 20
7:00 – 8:00 am
Chair: Erik Richard
8:00 – 8:15 am
Marty Snow, South African National Space Agency (SANSA), Laboratory for Atmospheric and Space Physics (LASP)
Validation of operational TSI using TSIS-1/SIM data
8:15– 8:30 am
8:30 – 8:45 am
Tom Woods, LASP, University of Colorado
Next-generation Irradiance Proxies using TSIS-1 Data
8:45 – 9:00 am
Dong Wu, NASA Goddard Space Flight Center
Post-Tonga Climate Impacts: PSC and Aerosol Observations from GEO Limb Sounding
9:00 – 9:15 am
Steve Penton, Laboratory for Atmospheric and Space Physics (LASP)
TSIS-1 SIM Updates on Science Processing
9:15 – 9:30 am
Odele Coddington, LASP, University of Colorado
Solar Spectral Irradiance Variability in Solar Cycle 25 in Direct Observations and in a New, Improved Solar Variability Model
9:30 – 9:45 am
Peter Pilewskie, Laboratory for Atmospheric and Space Physics, University of Colorado Boulder; NASA Langley Research Center; NASA Jet Propulsion Laboratory
The Value of Spectrally Resolved Measurements in Understanding Earth’s Energy Flows
9:45 – 10:00 am
Susan Breon, NASA Goddard Space Flight Center, Goddard Earth Sciences Technology and Research, University of Maryland
TSIS-2 Mission Status
10:00 – 10:15 am
Tom Patton, LASP, University of Colorado
Compact TSIS: Future Program Implementation for Solar Irradiance Data Continuity
Meeting Wrap-Up / Summary
10:15 – 10:45 am
Peter Pilewskie and Tom Woods
LASP, University of Colorado – Boulder
Meeting Summary