Estimation of SO2 Emission into the Air of the Norilsk Industrial Region
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The data from aircraft sounding of the emission plume in the atmosphere of the Norilsk industrial region in summer are numerically analyzed. A two-parameter model was developed for numerical retrieval of impurity concentrations in directions transverse to the plume. The lower limits of sulfur dioxide emission corresponding to different emission times are estimated on the basis of the model. Considerable variability of the estimates is found due to nonstationarity of sulfur dioxide emission into the atmosphere. The average emission of SO2 into the atmosphere is estimated as 1.86 million tons/year, which is close to the official statistics.
Keywords:atmosphere sulfur dioxide smoke plume emission of impurity estimation model
The work was performed within the State Assignment (project nos. 0315-2019-0004 and 0368-2018-0011) under partial financial support of the Presidium of the Russian Academy of Sciences (Program no. 51 “Climate Change: Causes, Risks, Consequences, and Adaptation and Control Problems” (project no. 0315-2018-0016) and the Russian Foundation for Basic Research and Novosibirsk Region Administration (project no. 19-47-540 008).
CONFLICT OF INTEREST
The authors declare that they have no conflicts of interest.
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