Atmospheric Trends Above Finland:
In the present study we analyse various long-term data series of measurements run by the Sodankylä Geophysical Observatory for possible indications of cooling trends in the upper atmosphere. We review trends seen in the ionospheric F2 peak altitude measured by ionosondes and compare them with the Fi...
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| Format: | Text |
| Language: | English |
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1998
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.544.2251 http://www.geophysica.fi/pdf/geophysica_1999_35_1-2_059_ulich.pdf |