Solar Physics

, Volume 224, Issue 1–2, pp 209–216 | Cite as

Measurement and Uncertainty of the Long-Term Total Solar Irradiance Trend

  • Steven Dewitte
  • Dominique Crommelynck
  • Sabri Mekaoui
  • Alexandre Joukoff
Article

Abstract

A possible long-term trend of the total solar irradiance could be a natural cause for climate variations on Earth. Measurement of the total solar irradiance with space radiometers started in 1978. We present a new total solar irradiance composite, with an uncertainty of ± 0.35 W m−2. From the minimum in 1995 to the maximum in 2002 the total solar irradiance increased by 1.6 W m−2. In between the minima of 1987 and 1995 the total solar irradiance increased by 0.15 W m−2.

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Copyright information

© Springer Science + Business Media, Inc. 2004

Authors and Affiliations

  • Steven Dewitte
    • 1
  • Dominique Crommelynck
    • 1
  • Sabri Mekaoui
    • 1
  • Alexandre Joukoff
    • 1
  1. 1.Royal Meteorological Institute of BelgiumBrusselsBelgium

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