Density and temperature structure over northern Europe

Details Density and temperature structure over northern Europe Density and temperature structure over northern Europe

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jatp...47..159p&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 47, Jan.-Mar. 1985, p. 159-172. Research supported by the

Computer Science

Sound

47

Atmospheric Density, Atmospheric Heating, Atmospheric Sounding, Atmospheric Temperature, Magnetic Storms, Rocket Sounding, Auroras, Energy Budgets, Gravity Waves, Internal Waves, Mesosphere, Meteorological Instruments, Scandinavia, Thermosphere

Scientific paper

During the Energy Budget Campaign, a number of profiles of the density and temperature were obtained to study the structure and variability of the atmosphere. The measurements were made using rocketborne instrumentation launched from Esrange, Sweden, and Andoya Rocket Range, Norway, during November and December 1980. The techniques included meteorological temperature sondes, passive falling sphere, accelerometer instrumented falling spheres, density gauges, mass spectrometers and infrared emission experiments. The instruments provided data covering the altitude range from 20 to 150 km. The measurements were made during periods which have been grouped into three categories by level of geomagnetic activity. Analysis has been made to compare the results and to examine the wave features and variations in the vertical profiles for scales ranging between hundreds of meters and tens of kilometers. Most of the features observed fit qualitatively within the range expected for internal gravity waves. However, the features in the profiles during one of the measurement periods are unusual and may be due to aurorally generated shock waves. The geomagnetic storm conditions caused temperature increases in the lower thermosphere which maximized in the 120-140 km region.

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