Physics
Scientific paper
Jan 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3302801d&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 2, CiteID L02801
Physics
2
Atmospheric Composition And Structure: Constituent Sources And Sinks, Atmospheric Composition And Structure: Middle Atmosphere: Composition And Chemistry, Atmospheric Composition And Structure: Thermosphere: Composition And Chemistry
Scientific paper
To understand the mid-summer nocturnal mesospheric K layer over the Arecibo Observatory (18.35°N, 66.75°W) a one dimensional model has been developed. Focusing on nights with no sporadic layer activity, we identify possible molecular reservoirs and sinks in the K layer using ab initio calculations to estimate the thermochemistry. Reactions KN2+ + O, KN2+ + CO2, and KHCO3 + H play primary roles in the chemistry of ionic and neutral potassium in the mesospheric cycle. The predominant potassium species is KHCO3 as a result of the influence of odd oxygen/hydrogen chemistry. The study of the metal layer contributes to a better understanding of chemical and dynamic changes that affect atmospheric composition.
Delgado Rubén
Friedman Jonathan S.
Weiner Brad R.
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