EGU22-10660
https://doi.org/10.5194/egusphere-egu22-10660
EGU General Assembly 2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

The TSI Instruments – What’s Old, What’s New, and What’s Next

Greg Kopp
Greg Kopp
  • University of Colorado / LASP, United States of America (greg.kopp@lasp.colorado.edu)

What is the Earth’s incoming energy, that is, the value of the total solar irradiance (TSI) powering the entire Earth’s climate system on an absolute scale? How accurate are the instruments providing these data? How stable are they on climate-relevant timescales? How well can the 43-year spaceborne TSI measurement record from over a dozen instruments be put into a single time-series composite for the climate- and solar-research communities? How can that composite be extrapolated to historical times using other solar-activity proxies via reconstructions? How do these historical-reconstruction models differ from each other, and how well do they agree with the current measurements? And what is the future of those measurements?

How to cite: Kopp, G.: The TSI Instruments – What’s Old, What’s New, and What’s Next, EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022, EGU22-10660, https://doi.org/10.5194/egusphere-egu22-10660, 2022.

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