NASA Logo in the header
Climate and Radiation 
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Operational

Total and Spectral Solar Irradiance Sensor (TSIS-1)

NASA's Total and Spectral Solar Irradiance Sensor, or TSIS-1, is a mission to measure the Sun's energy input to Earth. Various satellites have captured a continuous record of this solar energy input since 1978. TSIS-1 sensors advance previous measurements, enabling scientists to study the Sun’s natural influence on Earth’s ozone layer, atmospheric circulation, clouds and ecosystems. These observations are essential for a scientific understanding of the effects of solar variability on the Earth system.

Organizations
Launch Date
December 15, 2017
Class
--
Website
Key Staffs
  • Project Scientist
  • Deputy Project Scientist

NASA's Total and Spectral Solar Irradiance Sensor, or TSIS-1, is a mission to measure the Sun's energy input to Earth. Various satellites have captured a continuous record of this solar energy input since 1978. TSIS-1 sensors advance previous measurements, enabling scientists to study the Sun’s natural influence on Earth’s ozone layer, atmospheric circulation, clouds and ecosystems. These observations are essential for a scientific understanding of the effects of solar variability on the Earth system.

Related Publications

2026. "Dynamic and chemical drivers of the Antarctic ozone hole: A multiple regression analysis of QBO and CFCs.", Climate Physics and Atmospheric Science: Scientific Insights and Societal Challenges, 1-2 100008 [10.1016/j.cpas.2026.100008] [Journal Article/Letter]

2025. "Dynamic Impact of the Southern Annular Mode on the Antarctic Ozone Hole Area.", Remote Sensing, 17 (5): 835 [10.3390/rs17050835] [Journal Article/Letter]

2023. "Decadal changes in the Antarctic sea ice response to the changing ENSO in the last four decades.", Atmosphere, 14 (11): 1659 [https://doi.org/10.3390/atmos14111659] [Journal Article/Letter]

2024. "Comparison of proxy-Shortwave Cloud albedo from SBUV observations with CMIP6 models.", Journal of Climate, [10.1175/jcli-d-23-0170.1] [Journal Article/Letter]

2024. "The Sensitivity of Polar Mesospheric Clouds to Mesospheric Temperature and Water Vapor.", Remote Sensing, 16 (9): 1563 [10.3390/rs16091563] [Journal Article/Letter]

Contact Us

For general inquiries about the Climate and Radiation Laboratory.

Lazaros Oreopoulos

Chief

301-614-6128 lazaros.oreopoulos@nasa.gov
Debbie Compere

Project Support Specialist

301-614-6183 deborah.h.compere@nasa.gov
General inquiries about the scientific programs at NASA's Goddard Space Flight Center may be directed to the Center Office of Communications at 1.301.286.8955.