Two three-dimensional reanalysis datasets of atmospheric composition, the Copernicus Atmosphere Monitoring Service (CAMSRA) and Modern-Era Retrospective Analysis for Research Applications, version 2 (MERRA-2), are analyzed years 2003–2018 with respect to dust transport into Arctic. The reanalyses agree on that largest mass Arctic occurs across western Russia during spring early summer, bu...

The subject of this research is source base financial policy the voivodeship chancelleries Prikamye in XVII–XVII centuries.  Systematization material that contains records on administration Russian State, including regional material, relevant at current stage development historical science. Detailed analysis conducted sources for studying county establishments Prikamye, prese...