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ECOLOGICAL AND HYGIENIC PROBLEMS OF THE APPLICATION OF ANTI-ICING AGENTS IN A LARGE METROPOLIS (FOR EXAMPLE, THE TERRITORY OF MOSCOW)


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Abstract

Anti-icing reagents (AIR) are one of the main soil pollutions of large cities of countries with the cold climate. The salinization adversely affects the environment and urban health. The data on the content of readily soluble salts, the response of the medium, and a number of other indices of soils of Moscow’s different functional areas are presented. Stocks of ion-pollutants in the root zone soil layers have been identified. The expansion of anomalies of salt reserves and enhancement of the salt process within individual functional areas was noted. The maximum pollution was observed in the soils of the transport zone (dissolved solids reached 0.19%), which corresponds to the average degree of salinity. According to the prevailing ionic composition, most of the soils was foundd to belong to the sodium chloride class. Revealed growth of fine silt fraction (fine dust) during soil salinization was detected.


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