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Lead 210 or climatic changes at South Pole?
Author(s) -
Sanak J.,
Lambert G.
Publication year - 1977
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl004i009p00357
Subject(s) - firn , snow , lead (geology) , geology , physical geography , environmental science , atmospheric sciences , mineralogy , geomorphology , geography
The 210 Pb concentration has been measured in 92 adjacent firn samples collected at the South Pole along a 18 m depth profile. The decay analysis shows that significant changes happened around 1920 and 1954 either in the accumulation rate or in the 210 Pb content of the new fallen snow.