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Mass concentrations and elemental composition of urban atmospheric aerosols in Addis Ababa, Ethiopia
, 2010 E. Sahle-Demissie +2 more
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Atmospheric Composition Change
2012Chemically active climate compounds are either primary compounds like methane (CH4), removed by oxidation in the atmosphere, or secondary compounds like ozone (O-3), sulfate and organic aerosols, both formed and removed in the atmosphere. Man-induced climate-chemistry interaction is a two-way process: Emissions of pollutants change the atmospheric ...
N Altimir +56 more
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Composite Atmospheric Profiling
2021Each observation system that vertically profiles one or several atmospheric parameters by performing in-situ or remote-sensing measurements has its own distinct characteristics in terms of vertical range and resolution, temporal resolution, and height-dependent error.
Norbert Kalthoff +5 more
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Isotopic Composition of the Martian Atmosphere
Science, 1976Results from the neutral mass spectrometer carried on the aeroshell of Viking 1 show evidence for NO in the upper atmosphere of Mars and indicate that the isotopic composition of carbon and oxygen is similar to that of Earth. Mars is enriched in 15 N relative to Earth by about 75 percent, a consequence of escape ...
Nier, Alfred O. +2 more
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The composition of museum atmospheres
Atmospheric Environment. Part B. Urban Atmosphere, 1990Indoor pollutants can damage cultural property stored in museums, art galleries, libraries and archives. The paper reviews the atmospheric substances of concern and their sources. A relatively small number of measurements available for the interiors are restricted to just a few gases.
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Structure and Composition of the Atmosphere
2020Earth is a complex system, which covers four main spheres given below and shown in Fig. 4.1:
Vlado Spiridonov, Mladjen Ćurić
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The composition of planetary atmospheres
Journal of Quantitative Spectroscopy and Radiative Transfer, 1971Abstract The present status of research on the composition of planetary atmospheres is reviewed. It is shown that CO 2 is the major constituent in the atmospheres of Venus and Mars, and that H 2 is almost certainly the dominant constituent for the outer planets Jupiter, Saturn, Uranus, and Neptune. Ground based i.r.
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Atmospheric Scales of Motion and Atmospheric Composition
2000Weather phenomena occur over a very broad range of scales of space and time, from the global circulation systems that extend around the earth’s circumference to the small eddies that cause cigarette smoke to swirl and mix with clear air. Each circulation can be described in terms of its approximate horizontal diameter and lifetime.
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Composition of the Martian atmosphere
Space Science Reviews, 1991Data on the composition of the Martian atmosphere obtained by instruments aboard the Viking spacecraft are not of sufficient accuracy to address important questions regarding the composition and history of Mars. Laboratory analyses of gases trapped in glassy phases of shergottite meteorite EETA 79001 yield precise data, but it remains to be ascertained
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Primer for the Atmospheric Composition
2010The objective of this chapter is to give the fundamentals of atmospheric composition and of air pollution. The terminology is also determined and a few key data are given.
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