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Progress in Extraterrestrial Solar Irradiance Science: Updates from the International Radiation Commission's Solar Irradiance Working Group

Authors

Coddington,  Odele
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Finsterle,  Wolfgang
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Haberreiter,  Margit
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Krivova,  Natalie
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Lean,  Judith
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Machol,  Janet
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Meftah,  Mustapha
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Richard,  Erik
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Snow,  Martin
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Weber,  Mark
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Zhang,  Peng
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Coddington, O., Finsterle, W., Haberreiter, M., Krivova, N., Lean, J., Machol, J., Meftah, M., Richard, E., Snow, M., Weber, M., Zhang, P. (2023): Progress in Extraterrestrial Solar Irradiance Science: Updates from the International Radiation Commission's Solar Irradiance Working Group, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2518


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019376
Abstract
The total and spectral solar irradiance (TSI and SSI, respectively) is the dominant energy source to the Earth and is therefore a key variable at the intersection of many diverse Earth science applications. In 2022, the Solar Irradiance Working Group became the newest of the International Radiation Commission’s working groups. Our goal is to properly represent the magnitude and variability of the extraterrestrial TSI and SSI on multiple time scales for diverse Earth science applications. To meet this goal, we have three focus areas: 1) specify and understand solar irradiance variability using measurements and models, 2) seek broad engagement with the atmospheric science community and define application-specific solar irradiance requirements to identify knowledge gaps or measurement needs, and 3) communicate recommendations to national and international scientific organizations and to the research community.In this presentation, we summarize recent progress in solar irradiance science. This progress spans new measurement capabilities, new data records and composite record development, solar irradiance variability model improvements in estimating present and past solar forcing, and more. Along the way, we highlight some important the synergistic activities underway by several national and international groups such as the NASA Solar Irradiance Science Team, the Scientific Committee on Solar-Terrestrial Physics (SCOSTEP), and the working group preparing the solar forcing dataset for the 7th Coupled Model Intercomparison Project (CMIP).