Radiation-Geochemical Characteristics of Cryoconite Sediments on the Witte Glacier (Novaya Zemlya Archipelago)статья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 апреля 2024 г.
Аннотация:The article presents the results of studying specific organomineral formations—cryoconite sedi-
ments—samples of which were taken on the surface of the Witte Glacier (Medvezhiy Bay, Novaya Zemlya)
on cruise 76 of the R/V Akademik Mstislav Keldysh. The specific activities of 137Cs, 241Am, 207Bi, 210Pb, and
7Be were measured in 14 samples. Analysis of the materials suggests that cryoconite contains radioactive con-
tamination deposited in the glacier in the period from September 1957 to December 1962 as a result of atmo-
spheric nuclear explosions at the Sukhoy Nos test site, located 100 km from the glacier. Extremely high Bi,
Ag, Sb, Mo, Pb, Sn contents with resepct to the composition of the upper part of the continental crust and a
strong correlation with anthropogenic radionuclides may indicate the technogenic emission of these elements
during the destructive effect of nuclear explosions on bedrock, the metallogenic specialization of which cor-
responds to rich polymetallic mineralization.