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Solar Cycle Variation in the Occurence Rate of Pc 1 and IPDP Type Magnetic Pulsations at Sodankylä
Magnetic pulsations solar cycle
2009/6/10
The observations of short-period magnetic pulsations at Sodankylä in the years 1974-1995
confirm that there is a 11-year solar cycle in the occurrence rate of both Pc1 and IPDP type magnetic pul...
Geomagnetic Observations at Sodankylä During the First International Polar Year
Geomagnetic observations Polar Year
2009/6/10
Sodankylä was one of the 11 stations that were in operation during the First International Polar Year 1882-1883. In this study we re-analyze the magnetic observations carried out in Sodankylä...
A Short History of the Sodankylä Geophysical Observatory
Geophysical observatory Polar Years
2009/6/10
The first geophysical observatory at Sodankylä was the Polar Year observatory in years 1882-84.The Finnish Academy of Science and Letters, established in 1908, set up the Sodankylä Geophysic...
The Ice Season of Lake Pääjärvi in Southern Finland
Lake Pä ä jä rvi ice season ice stratification
2009/6/10
Wintertime observations in Lake Pääjärvi have been made since the beginning of the 20th century.In this study the existing ice data has been collected and analysed. Long time series are...