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Record #170967:
Sazonalidade de aerossóis atmosféricos e microanálise individual por EDS em testemunho de gelo da ilha Rei George / Kely C. Dalia, Heitor Evangelista, Jefferson C. Simões, Enio B. Pereira.
Title: | Sazonalidade de aerossóis atmosféricos e microanálise individual por EDS em testemunho de gelo da ilha Rei George / Kely C. Dalia, Heitor Evangelista, Jefferson C. Simões, Enio B. Pereira. |
Translated title: | Seasonality and individual analysis by EDS of atmospheric aerosols in ice of King George island. |
Author(s): | Dalia, Kely C. Evangelista, Heitor. Simões, Jefferson C. Pereira, Enio B. |
Date: | 2004. |
Language: | Portuguese. |
In: | Pesquisa Antártica Brasileira. (2004.), Vol. 4 (2004) |
Abstract: | Investigates concentration and elemental composition of atmospheric and ice-deposited aerosols on King George island (KGI), South Shetland islands. Determines elemental composition of coarse mode aerosol using energy dispersive spectrometry of samples from 7 intervals down 49.9 m snow/firn core from KGI ice cap. Observes systematic contribution of marine and crustal aerosol throughout core. Presence of giant S-enriched aerosol particles in bottom core layers suggests volcanic signature. Attributes seasonal pattern in atmospheric aerosol concentration, similar to those from other polar and sub-polar sites, to oceanic biological activity and cyclonic frequency. Aerosol number concentration higher at KGI than other Antarctic sites due to proximity of South American continent and transport efficiency of regional cyclone systems. |
Notes: | Pesquisa Antártica Brasileira. Vol. 4 :25-36 (2004). English abstract. |
Keywords: | 551.32 -- Glaciology. 551.324 -- Land ice. 551.324.24 -- Ice sheets and caps. 551.578.46 -- Snow cover and snow patches. 551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc. 622.14 -- Core sampling, ice and snow. 551.324.84 -- Land ice, impurities. 54 -- Chemistry. 551.21 -- Volcanoes. 551.510.42 -- Atmospheric impurities, dust and aerosols. 551.217.2 -- Lapilli, ashes and other loose volcanic products. 551.582 -- Climatology of particular places. 551.515.1 -- Polar lows and extratropical cyclones. 574.55 -- Productivity, aquatic ecology. E4 -- Glaciology: physics and chemistry of ice. (*7) -- Antarctic regions. (*726.1) -- South Shetland Islands. (*726.14) -- King George Island group. |
SPRI record no.: | 170967 |
LDR 02765naa#a2200000#a#4500 001 SPRI-170967 005 20240329093036.0 007 ta 008 240329s2004####xx#a##|##|###|0||#0|por#d 035 ## ‡aSPRI-170967 040 ## ‡aUkCU-P‡beng‡eaacr 041 0# ‡apor 242 00 ‡aSeasonality and individual analysis by EDS of atmospheric aerosols in ice of King George island.‡yeng 245 00 ‡aSazonalidade de aerossóis atmosféricos e microanálise individual por EDS em testemunho de gelo da ilha Rei George /‡cKely C. Dalia, Heitor Evangelista, Jefferson C. Simões, Enio B. Pereira. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2004. 300 ## ‡ap. 25-36 :‡bdiags., tables. 500 ## ‡aPesquisa Antártica Brasileira. Vol. 4 :25-36 (2004). 500 ## ‡aEnglish abstract. 520 3# ‡aInvestigates concentration and elemental composition of atmospheric and ice-deposited aerosols on King George island (KGI), South Shetland islands. Determines elemental composition of coarse mode aerosol using energy dispersive spectrometry of samples from 7 intervals down 49.9 m snow/firn core from KGI ice cap. Observes systematic contribution of marine and crustal aerosol throughout core. Presence of giant S-enriched aerosol particles in bottom core layers suggests volcanic signature. Attributes seasonal pattern in atmospheric aerosol concentration, similar to those from other polar and sub-polar sites, to oceanic biological activity and cyclonic frequency. Aerosol number concentration higher at KGI than other Antarctic sites due to proximity of South American continent and transport efficiency of regional cyclone systems. 546 ## ‡aIn Portuguese. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc 650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc 650 07 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc 650 07 ‡a622.14 -- Core sampling, ice and snow.‡2udc 650 07 ‡a551.324.84 -- Land ice, impurities.‡2udc 650 07 ‡a54 -- Chemistry.‡2udc 650 07 ‡a551.21 -- Volcanoes.‡2udc 650 07 ‡a551.510.42 -- Atmospheric impurities, dust and aerosols.‡2udc 650 07 ‡a551.217.2 -- Lapilli, ashes and other loose volcanic products.‡2udc 650 07 ‡a551.582 -- Climatology of particular places.‡2udc 650 07 ‡a551.515.1 -- Polar lows and extratropical cyclones.‡2udc 650 07 ‡a574.55 -- Productivity, aquatic ecology.‡2udc 650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*726.1) -- South Shetland Islands.‡2udc 651 #7 ‡a(*726.14) -- King George Island group.‡2udc 700 1# ‡aDalia, Kely C. 700 1# ‡aEvangelista, Heitor. 700 1# ‡aSimões, Jefferson C. 700 1# ‡aPereira, Enio B. 773 0# ‡7nnas ‡tPesquisa Antártica Brasileira. ‡gVol. 4 (2004) ‡wSPRI-169822 916 ## ‡aRF 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240329 ‡bRF