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KPDC, Korea Polar Data Center

Korea Polar Data Center Scientific observations and results from Antarctica shall
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Trace elements in Vostok Antarctic Ice

Lead (Pb), cadmium (Cd), copper (Cu) and zinc (Zn) have been measured by electrothermal atomic absorption spectrometry in various sections of the 3623m deep ice core drilled at Vostok, in central East Antarctica. The sections were dated from 240 to 410 kyear BP (Marine Isotopic Stages (MIS) 7.5 to 11.3), which corresponds to the 3rd and 4th glacial interglacial cycles before present. Concentrations are found to have varied greatly during this 170 kyear time period, with high concentration values during the coldest climatic stages such as MIS 8.4 and 10.2 and much lower concentration values during warmer periods, such as the interglacials MIS 7.5, 9.3 and 11.3. Rock and soil dust were the dominant sources for Pb, whatever the period, and for Zn and Cu and possibly Cd during cold climatic stages. The contribution from volcanic emissions was important for Cd during all periods and might have beensignificant for Cu and Zn during warm periods.

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Entry ID
KOPRI-KPDC-00000013
KPDC-MD-2006-003 (Old ID)
DOI
https://dx.doi.org/doi:10.22663/KOPRI-KPDC-00000013.1
Science Keyword
EARTH SCIENCE > Cryosphere > Snow/Ice > Snow/Ice Chemistry
EARTH SCIENCE > Terrestrial Hydrosphere > Snow/Ice > Snow/Ice Chemistry
ISO Topic
ENVIRONMENT
GEOSCIENTIFIC INFORMATION
Personnel
SUNGMIN Hong
Soon Do Hur (sdhur@kopri.re.kr)
Create/Update Date
2011-08-26 / 2011-08-26
Location
Continent > Antarctica > Geographic Region > Polar
Citation
The data(KOPRI-KPDC-00000013) used in this work was provided by the Korea Polar Research Institute.

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