Peculiarities of the chemical composition of the snow cover in the northern basin of Lake Baikal

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This article presents the 2023 data on the snow cover in the northern basin of Lake Baikal. We estimated the spatial distribution of the main chemical elements in the snow cover. The high relative concentration of nitrates and hydrogen ions was a characteristic of the ionic composition of snowmelt water in comparison with the industrial areas of the Baikal region. We calculated the accumulation of major ions and biogenic elements in the snow cover. A comparative analysis of the obtained experimental data with regional background values and results of the similar previous studies revealed a trend towards a decrease in mineralization and an increase in the acidity of snow melt waters over the past 11 years. Low values of the total amount of ions and pH in the snow cover of some areas of the northern basin of Lake Baikal allowed us to classify them as a background for the entire Baikal region.

Sobre autores

N. Chebunina

Limnological Institute Siberian Branch of the Russian Academy of Sciences

Autor responsável pela correspondência
Email: nchebun@lin.irk.ru
ORCID ID: 0000-0002-2524-8526
Rússia, Ulan-Batorskaya Str., 3, Irkutsk, 664033

E. Lutskin

Limnological Institute Siberian Branch of the Russian Academy of Sciences

Email: nchebun@lin.irk.ru
ORCID ID: 0009-0007-4078-2165
Rússia, Ulan-Batorskaya Str., 3, Irkutsk, 664033

M. Sakirko

Limnological Institute Siberian Branch of the Russian Academy of Sciences

Email: nchebun@lin.irk.ru
ORCID ID: 0000-0002-5492-7296
Rússia, Ulan-Batorskaya Str., 3, Irkutsk, 664033

O. Netsvetaeva

Limnological Institute Siberian Branch of the Russian Academy of Sciences

Email: nchebun@lin.irk.ru
ORCID ID: 0000-0002-9007-3697
Rússia, Ulan-Batorskaya Str., 3, Irkutsk, 664033

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