Solar UV temporal variations during solar cycle 22 and the twentieth century

Details Solar UV temporal variations during solar cycle 22 and the twentieth century Solar UV temporal variations during solar cycle 22 and the twentieth century

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3086..328d&link_type=abstract

In NASA, Goddard Space Flight Center, Climate Impact of Solar Variability p 328-335 (SEE N91-12456 03-92)

Computer Science

4

Irradiance, Solar Activity Effects, Solar Cycles, Solar Radiation, Solar Rotation, Sunspots, Temporal Distribution, Ultraviolet Radiation, Blocking, Estimates, Stratosphere, Variations

Scientific paper

Solar ultraviolet measurements of the Mg II core-to-wing ratio from the NOAA9 satellite show a fast rise for solar cycle 22 from the minimum in September 1986. The high values in late 1989 are comparable to the maximum values for cycle 21. Estimates of earlier solar UV variations are made back to 1947 using a combination of the 10 cm solar radio flux (F10) and the sunspot blocking function. The latter is interpreted to partially remove the gyroresonance component from F10, which is not present in the UV flux.

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