Distribution of the Daily Sunspot Number Variation for the Last 14 Solar Cycles
- 134 Downloads
The difference between consecutive daily Sunspot Numbers was analysed. Its distribution was approximated on a large time scale with an exponential law. In order to verify this approximation a Maximum Entropy distribution was generated by a modified version of the Simulated Annealing algorithm. The exponential approximation holds for the generated distribution too. The exponential law is characteristic for time scales covering whole cycles, and it is mostly a characteristic of the Sunspot Number fluctuations and not of its average variation.
KeywordsSolar cycle, models Sunspots, statistics
Unable to display preview. Download preview PDF.
- Jaynes, E.T.: 1963, Information theory and statistical mechanics. In: Ford, K. (ed.) Statistical Phys., Benjamin, New York, 181 – 218. Google Scholar
- SIDC-team: 1848 – 2010, World Data Center for the Sunspot Index, Royal Observatory of Belgium, Monthly Report on the International Sunspot Number, Online catalogue of the sunspot index: http://www.sidc.be/sunspot-data/.