Composite MG II solar activity index for solar cycles 21 and 22

Details Composite MG II solar activity index for solar cycles 21 and 22 Composite MG II solar activity index for solar cycles 21 and 22

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....9812809d&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. D7, p. 12,809-12,823.

Physics

52

Magnesium, Satellite Observation, Solar Activity, Solar Cycles, Irradiance, Nimbus 7 Satellite, Noaa Satellites, Time Series Analysis

Scientific paper

On the basis of version 1.0 of the composite MG II solar activity index data set, it is shown that the change in the 27-day running average of the Mg II index from solar maximum to solar minimum is about 8 percent for solar cycle 21 and about 9 percent for solar cycle 22 through January 1992. Scaling factors based on the short-term variations in the Mg II index and solar irradiance data sets are developed for each instrument to estimate solar variability at mid-UV and near-UV wavelengths. A set of composite scale factors are derived for use with the present composite MG index. Near 205 cm, where solar irradiance variations are important for stratospheric chemistry, the estimated change in irradiance during solar cycle 22 is about 10 +/- 1 percent using the composite Mg II index (version 1.0) and scale factors.

Affiliated with

Also associated with

No associations

Rating

Composite MG II solar activity index for solar cycles 21 and 22 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Composite MG II solar activity index for solar cycles 21 and 22, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composite MG II solar activity index for solar cycles 21 and 22 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1072265