Mathematics – Logic
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.590..245p&link_type=abstract
In: 17th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 30 May - 2 June 2005, Sandefjord, Norway.
Mathematics
Logic
Earth Atmosphere, Temperatures
Scientific paper
Some new results are given on the empirical model of midlatitude (40° - 55°N, altitudes 25 - 110 km) based on the Soviet and Russian rocket, emission and radioionospheric temperature data and also aerologic pressure data, obtained during 1955-1995. It revealed a long-term trend and solar activity effect in seasonal variations of temperature profiles. The results presented now correspond to shorter range of years, 1976-1991, covering the two solar minima and the two maxima. Some conclusions, concerning the seasonal, solar activity and long-term variations in vertical structure of the middle atmosphere are presented. The linear regression coefficients for temperature and number density logarithm vs. time (years) and the F10.7 index are calculated for the four seasons. The largest regression coefficients both for time and for F10.7 correspond to the altitude ~100 km.
Pertsev Nikolay N.
Semenov Anatoly I.
Shefov Nicolay N.
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