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Record #180916:
Seasonal Pb changes in snow from winter to early summer 1998 in Livingston Island, Antarctic Peninsula / Sungmin Hong.
Title: | Seasonal Pb changes in snow from winter to early summer 1998 in Livingston Island, Antarctic Peninsula / Sungmin Hong. |
Author(s): | Hong, Sungmin. |
Date: | 2001. |
Publisher: | Ansan, Korea: Polar Sciences Laboratory, Korea Ocean Research & Development Institute |
In: | Proceedings of the joint international seminar Recent Interests on Antarctic Earth Sciences of Korea and Japan. (2001.), |
Abstract: | Presents data on short-term changes in concentrations of lead from shallow snow collected on Livingston Island, a location close to South America which is possible source region of anthropogenic Pb entering Antarctica. Pb concentrations in 26 snow samples ranged from 0.16 to 17.6 pg g⁻¹ with average of 4.97 pg g⁻¹, and pronounced spring maximum. Contributions from natural sources were estimated from Al and Na concentrations and average black carbon concentration reported in Antarctic Holocene ice, and were only ~25%. Excess Pb over Pb from natural sources is probably anthropogenic and due to long-range transport from South America. Results show that yearly Pb fallout flux is much greater in Antarctic coastal areas than at locations far from coast, indicating complex patterns of transport and deposition of pollutant aerosols. Recycling of anthropogenic Pb from seawater to atmosphere may significantly contribute to Pb fallout flux in Antarctic coastal regions. |
Notes: | In: Proceedings of the joint international seminar Recent Interests on Antarctic Earth Sciences of Korea and Japan / Y. Kim, B.K. Khim, eds. |
Keywords: | 502 -- Environmental issues. 504.054 -- Pollution. 551.32 -- Glaciology. 551.578.46 -- Snow cover and snow patches. 628.53 -- Industrial emissions. 546.815 -- Lead. 551.510.42 -- Atmospheric impurities, dust and aerosols. 91(08) -- Expeditions: 1978- Korean Antarctic Research Program. 91(08) -- Expeditions: 1998 KARP. D -- Atmospheric sciences. (*7) -- Antarctic regions. (*726) -- Maritime Antarctic. (*726.1) -- South Shetland Islands. (*726.16) -- Livingston Island group. (8) -- South America. |
SPRI record no.: | 180916 |
LDR 02670naa#a2200000#a#4500 001 SPRI-180916 005 20240329023810.0 007 ta 008 240329s2001####ko#ab##|#####|0||#0#eng#d 035 ## ‡aSPRI-180916 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aHong, Sungmin. 245 10 ‡aSeasonal Pb changes in snow from winter to early summer 1998 in Livingston Island, Antarctic Peninsula /‡cSungmin Hong. 260 ## ‡aAnsan, Korea :‡bPolar Sciences Laboratory, Korea Ocean Research & Development Institute,‡c2001. 300 ## ‡ap. 151-168 :‡bill., diags., tables, map. 500 ## ‡aIn: Proceedings of the joint international seminar Recent Interests on Antarctic Earth Sciences of Korea and Japan / Y. Kim, B.K. Khim, eds. 520 3# ‡aPresents data on short-term changes in concentrations of lead from shallow snow collected on Livingston Island, a location close to South America which is possible source region of anthropogenic Pb entering Antarctica. Pb concentrations in 26 snow samples ranged from 0.16 to 17.6 pg g⁻¹ with average of 4.97 pg g⁻¹, and pronounced spring maximum. Contributions from natural sources were estimated from Al and Na concentrations and average black carbon concentration reported in Antarctic Holocene ice, and were only ~25%. Excess Pb over Pb from natural sources is probably anthropogenic and due to long-range transport from South America. Results show that yearly Pb fallout flux is much greater in Antarctic coastal areas than at locations far from coast, indicating complex patterns of transport and deposition of pollutant aerosols. Recycling of anthropogenic Pb from seawater to atmosphere may significantly contribute to Pb fallout flux in Antarctic coastal regions. 650 07 ‡a502 -- Environmental issues.‡2udc 650 07 ‡a504.054 -- Pollution.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc 650 07 ‡a628.53 -- Industrial emissions.‡2udc 650 07 ‡a546.815 -- Lead.‡2udc 650 07 ‡a551.510.42 -- Atmospheric impurities, dust and aerosols.‡2udc 650 07 ‡a91(08) -- Expeditions: 1978- Korean Antarctic Research Program.‡2udc 650 07 ‡a91(08) -- Expeditions: 1998 KARP.‡2udc 650 07 ‡aD -- Atmospheric sciences.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*726) -- Maritime Antarctic.‡2udc 651 #7 ‡a(*726.1) -- South Shetland Islands.‡2udc 651 #7 ‡a(*726.16) -- Livingston Island group.‡2udc 651 #7 ‡a(8) -- South America.‡2udc 773 0# ‡7nnam ‡aY. Kim, B.K. Khim, eds. ‡tProceedings of the joint international seminar Recent Interests on Antarctic Earth Sciences of Korea and Japan. ‡dAnsan, Korea : Polar Sciences Laboratory, Korea Ocean Research & Development Institute, 2001. ‡wSPRI-157703 916 ## ‡aHS 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329 ‡bHS