Rocket measurements and modeling of the nitric oxide distribution in the thermosphere and lower mesosphere

Details Rocket measurements and modeling of the nitric oxide distribution in the thermosphere and lower mesosphere Rocket measurements and modeling of the nitric oxide distribution in the thermosphere and lower mesosphere

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983esasp.183..123g&link_type=abstract

In ESA Sixth ESA Symp. on European Rocket and Balloon Programs and Related Res. p 123-130 (SEE N83-33397 21-46)

Computer Science

Sound

Dynamic Models, Mesosphere, Nitric Oxide, Resistance Heating, Rocket Sounding, Thermosphere, Annual Variations, Atmospheric Composition, Diurnal Variations, E Region, Latitude, Midlatitude Atmosphere, Ohmic Dissipation, Particle Precipitation, Resistance Heating, Two Dimensional Models

Scientific paper

Rocket and satellite measurements of the NO vertical distribution above 70 km are discussed. Seasonal and latitudinal effects clearly influence the magnitude of the E region maximum and the steepness of the vertical gradient below 100 km. One dimensional models give satisfactory results in regions where circulation does not strongly affect the distribution. Large differences between summer and winter profiles predicted at midlatitudes agree with observation. One dimensional models are also useful for modeling the diurnal variation of odd nitrogen for periods and locations when transport from the auroral zone is small. However, two dimensional models are necessary to investigate the global latitudinal distribution of NO even during quiet geomagnetic conditions. Particle precipitation and Joule heating play an important role because large amounts of odd nitrogen are produced and because they globally affect the temperature, wind and background composition fields.

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