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Laboratory for Atmospheric and Space Physics


As the science program develops, confirmed speakers will be posted to the Sun-Climate Symposium website.  A complete agenda as well as abstracts will be available in early December.  As of December 3, 2019, the following invited speakers have been confirmed:

Tuesday, Jan. 28, 2020

Session 1. The Sunset of SORCE

Gary Rottman (invited), LASP/University of Colorado, Boulder, CO
SORCE — Important Factors of Concept and Development

Robert Cahalan (invited), NASA GSFC (Emeritus), Greenbelt, MD
Celebrating SORCE

Greg Kopp, LASP/University of Colorado – Boulder
Highlights from SORCE / TIM

Jerry Harder, LASP/University of Colorado – Boulder
SORCE SIM Instrument Highlights for Middle Ultraviolet, Visible, and Near Infrared

Bill McClintock, LASP/University of Colorado – Boulder  (Note: Marty Snow likely to present)
Highlights from 17 Years of SORCE / SOLSTICE Observations

Tom Woods, LASP/University of Colorado – Boulder, CO
SORCE X-ray Ultraviolet Photometer System (XPS) Highlights

Sean Ryan, LASP/University of Colorado – Boulder, CO
SORCE’s Flexible Satellite Architecture Allows Science to Continue Despite Hardware Challenges

Tom Sparn, LASP/University of Colorado – Boulder, CO
SORCE Management in a Civilized Time

Session 2. Recent/Space-Era Solar Cycle Timescales

Bo Andersen (invited), Norwegian Space Agency, Oslo, Norway
Homage to Claus Fröhlich
What is the TSI Value at Solar Minima in the Space Age?

Serena Criscuoli (invited), Natl. Solar Observatory, Boulder, CO
Modern and Historical Reconstructions of Solar UV Irradiance Variability

Erik Richard, LASP, University of Colorado – Boulder
Solar Spectral Irradiance Measurements from the TSIS-1 SIM:  Data continuity and comparisons to other records

Stéphane Béland, LASP, University of Colorado – Boulder
SORCE / TSIS Overlap Analysis

Margit Haberreiter, Physikalisch-Metorologisches Observatorium / World Radiation Center (PMOD/WRC), Davos Dorf, Switzerland
TSI Measurements from NORSAT-1 / CLARA

James Limbacher, NASA GSFC and SSAI, Greenbelt, MD
Estimating the Precision of TSI Measured from VIRGO, SORCE, TCTE, and TSIS-1 Using the Triple Differencing Technique

Shashi Gupta, NASA Langley Research Center and SSAI, Hampton, VA
A Comparative Examination of SORCE and TSIS-1 TSI Data during the Overlap Period

Hanna Strecker, Leibniz (KIS), Germany
On the Decay of Sunspots

Pradeep Kayshap (invited), Inst. of Physics, Univ. of South Bohemia, Ceske Budjejovice, Czech Republic
Variability of Mg II Line in Quiet Sun and Coronal Hole

Debi P. Choudhary, San Fernando Observatory, California State University – Northridge, CA
Solar Irradiance Variations in Chromospheric Spectral Lines

Sergey Marchenko, NASA GSFC and SSAI, Greenbelt, MD
Solar Activity and Responses Observed in Balmer Lines

Thierry Dudok de Wit (invited), Univ. of Orléans, LPC2E, Orléans, France
Response of Solar Irradiance to Solar Proxies:  Is it instantaneous?

Wednesday, Jan. 29, 2020

Session 3.  Solar Variability and Climate Trends on Secular Timescales (formerly Session 4)

Alexander Shapiro (invited), Max Planck Institute for Solar System Research, Goettingen, Germany
Solar Activity over the Last Five Billion Years

Frédéric Clette, Royal Observatory of Belgium, Brussels  (Note: Greg Kopp to present)
Re-evaluation of the 400-Year Sunspot Record

Lisa Upton (invited), Space System Research Corporation (SSRC), Boulder, CO
Reconstructing Historical Solar Activity with the Advective Flux Transport Model

Leif Svalgaard, Stanford University, Stanford, CA
Validation of the Group Sunspot Series

Matthias Rempel, Natl. Center for Atmospheric Research / High Altitude Observatory (NCAR/HAO), Boulder, CO
On the Contribution of Quiet Sun Magnetism to Solar Irradiance Variations

Valerie Trouet (invited), Univ. of Arizona, Laboratory of Tree-Ring Research, Tucson, AZ
Reduced Caribbean Hurricane Activity during the Maunder Solar Minimum

Alexander Ruzmaikin, Jet Propulsion Laboratory, California Inst. of Technology, Pasadena, CA
The Earth Climate at Deep Minima of the Solar Activity

Jennifer van Saders (Invited), University of Hawaii, Honolulu
The Sun in Stellar Context:  Stellar Windows into Solar Magnetic Evolution

Tom Ayres, CASA, University of Colorado – Boulder
Seeking the Quiet Sun Among the Stars

Thursday, Jan. 30, 2020

Session 4. Solar Influence on the Atmosphere and Climate (formerly Session 3)

Judith Lean (invited), LASP/Univ. of Colorado, Boulder, CO; Naval Research Laboratory (Emeritus)
Navigating the Causes of Modern Climate Change

Vikram Mehta, The Center for Research on the Changing Earth System (CRCES), Catonsville, MD
Solar Influences and the Earth’s Decadal Climate Variability

Karen Rosenlof (invited), NOAA Earth System Research Laboratory, Boulder, CO
Stratospheric Ozone Change and Its Influence on Climate

Lon Hood (invited), Univ. of Arizona, Tucson, AZ
Top-Down Solar Influences on the Madden-Julian Short-Term Climate Oscillation

Bob Meier (invited), George Mason University, Fairfax, VA
Solar EUV Irradiance and Thermospheric Composition Trends Retrieved from FUV Dayglow Observations

Scott McIntosh, Natl. Center for Atmospheric Research / High Altitude Observatory (NCAR/HAO), Boulder, CO
A New Clock for the Sun:  Sun-Climate Implications & What May Be Looming

Han-Li Liu, Natl. Center for Atmospheric Research / High Altitude Observatory (NCAR/HAO), Boulder, CO
Atmosphere and Ocean Responses to Extreme Low Solar Activity and Their Hemispheric Differences

Cornelius Csar Jude H. Salinas (invited), National Central University, Taoyuan City, Taiwan
Possible Solar Cycle Responses of Eddy Diffusion in the Mesosphere and Lower Thermosphere as inferred from SABER CO2

Jae Lee, University of Maryland, Baltimore County, MD and NASA GSFC, Greenbelt, MD
Solar Cycle Modulation of MLS Nighttime Ozone near the Secondary Ozone Maximum Layer

Christopher Castro (invited), Univ. of Arizona, Tucson, AZ
The North American Monsoon in a Changing Climate

Session 5.  A New Reference Spectrum for Remote Sensing (formerly Session 6)

David Doelling (invited), NASA Langley Research Center, Hampton, VA
GSICS Applications and the Need of a Solar Irradiance Reference Spectrum

David Crisp (invited), JPL / California Inst. of Technology, Pasadena, CA
The Impact of the TSIS-SIM Data on the OCO-2/OCO-3 Data Analysis

Brent Holben (invited), NASA Goddard Space Flight Center< Greenbelt, MD
AERONET the Ground-based Aerosol Satellite

Tom Stone (invited), U.S. Geological Survey, Astrogeology Science Center, Flagstaff, AZ
Requirements for a Reference Solar Spectrum for Lunar Calibration Applications

Odele Coddington, LASP, University of Colorado – Boulder
Progress towards a New, High-Resolution, High-Accuracy Solar Reference Spectrum based on TSIS-1 SIM

Marty Snow, LASP, University of Colorado – Boulder
Solar Spectral Irradiance during WHPI and Comparison to WHI and WSM

Nuno Pereira (invited), Royal Belgium Institute for Space Aeronomy (BIRA-IASB), Brussels
Near Infrared Ground-based Spectrum

Luc Damé, Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), France
New Absolute Reference Spectrum SOLAR-ISS2 at 2008 Solar Minimum and its Extension at Very High Resolution (0.01 nm) from 500 nm up to 4200 nm for Atmospheric Modeling and Remote Sensing

Friday,Jan. 31, 2020

Session 6.  Observational Predictions (formerly Session 5)

W. Dean Pesnell (invited), NASA GSFC, Greenbelt, MD
How Well Can We Be at Predicting Solar Cycle 35?

Philip Judge (invited), High Altitude Observatory, NCAR, Boulder, CO
The Next Five Decades Under the Sun

Andrés Muñoz-Jaramillo (invited), Southwest Research Institute (SwRI), Boulder, CO
How Hemispheric Polar Field Reversal Sets the Timing and Shape of the Solar Cycle

Session 7.  Looking Ahead — Future Observations of the Sun and Earth

Yolanda Shea (invited), NASA Langley Research Center, Hampton, VA
CLARREO Pathfinder:  Mission Overview

Julien Amand, Royal Meteorological Institute of Belgium, Brussels
SIMBA, Measuring the Earth’s Radiation (im)Balance

Wolfgang Finsterle, Physikalisch-Metorologisches Observatorium / World Radiation Center (PMOD/WRC), Davos Dorf, Switzerland
Calibrating Space Radiometers to Ground-based TSI Standards

Susan Breon, NASA Goddard Space Flight Center, Greenbelt, MD
TSIS-2:  Continuing the Solar Irradiance Data Record

Brian Boyle, LASP, University of Colorado – Boulder
TSIS-2 and Beyond

Dave Harber, LASP, University of Colorado – Boulder
The Compact SIM (CSIM), Compact TIM (CTIM) and Future Compact Earth Radiation Budget Instruments

Charles Kankelborg, Montana State University, Bozeman
The FURST Mission