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Abstract:
Results obtained in the course of unique observations (as part of the TROICA project) of the composition and state of the atmosphere over Russia have been summarized. Scientists and engineers from different countries took part in these observations. The main task of these observations was to measure atmospheric contents of trace gases and aerosols and both meteorological and radiative characteristics of the atmosphere using a mobile laboratory designed and brought into operation specially for transcontinental observations along the network of Russian electrified railroads. A large database obtained in the TROICA experiments using the mobile laboratory, in field experiments, and at scientific stations is still under analysis. In this work, the most important results published earlier and obtained recently are discussed, which makes it possible to form a comprehensive picture of the spatial distribution and temporal variability of the atmospheric composition over northern Eurasia.
