Aerosol chemical elemental mass concentration at lower free troposphere
Proceedings of the 11th Symposium on Radiation Measurements and Applications. Copyright © 2007 Elsevier B.V. All rights reserved. This paper shows the use of Instrumental neutron activation analysis (INAA) technique to determine elemental masses collected by a seven-wavelength Aethalometer instrumen...
Published in: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
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ftunivacores:oai:repositorio.uac.pt:10400.3/1507 2023-05-15T17:32:42+02:00 Aerosol chemical elemental mass concentration at lower free troposphere Freitas, Maria do Carmo Dionísio, Isabel Fialho, Paulo Barata, Filipe 2007-04-25 http://hdl.handle.net/10400.3/1507 eng eng Elsevier info:eu-repo/grantAgreement/FCT/SFRH/BD/9049/2002 http://www.sciencedirect.com/science/article/pii/S0168900207007012 Freitas, M.D.C.; Dionísio, I.; Fialho, P.; Barata, F. (2007), «Aerosol chemical elemental mass concentration at lower free troposphere», "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment", 579(1), 507-509. http://dx.doi.org/10.1016/j.nima.2007.04.148. 0168-9002 http://hdl.handle.net/10400.3/1507 openAccess Chemical Elements INAA Iron/Cesium Aerosol Aethalometer PICO-NARE article 2007 ftunivacores https://doi.org/10.1016/j.nima.2007.04.148 2022-05-01T14:30:26Z Proceedings of the 11th Symposium on Radiation Measurements and Applications. Copyright © 2007 Elsevier B.V. All rights reserved. This paper shows the use of Instrumental neutron activation analysis (INAA) technique to determine elemental masses collected by a seven-wavelength Aethalometer instrument at the summit of Pico mountain in the Azorean archipelago, situated in the Central North Atlantic Ocean. Each sample corresponds to air particulate matter measured continuously for periods of approximately 24 h taken from 14th July 2001 through 14th July 2002. The statistical analysis of the coefficients of correlation between all the elements identified, permitted to establish six groups that could potentially be associated with the type of source responsible for the aerosol sampled in the lower free troposphere at the Azorean archipelago. Calculation of the synoptic back trajectories helped to corroborate the use of the iron/cesium relation as a tracer for the Saharan dust aerosol. It was demonstrated that INAA constituted an important tool to identify these events. Article in Journal/Newspaper North Atlantic Repositório da Universidade dos Açores Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 579 1 507 509 |
institution |
Open Polar |
collection |
Repositório da Universidade dos Açores |
op_collection_id |
ftunivacores |
language |
English |
topic |
Chemical Elements INAA Iron/Cesium Aerosol Aethalometer PICO-NARE |
spellingShingle |
Chemical Elements INAA Iron/Cesium Aerosol Aethalometer PICO-NARE Freitas, Maria do Carmo Dionísio, Isabel Fialho, Paulo Barata, Filipe Aerosol chemical elemental mass concentration at lower free troposphere |
topic_facet |
Chemical Elements INAA Iron/Cesium Aerosol Aethalometer PICO-NARE |
description |
Proceedings of the 11th Symposium on Radiation Measurements and Applications. Copyright © 2007 Elsevier B.V. All rights reserved. This paper shows the use of Instrumental neutron activation analysis (INAA) technique to determine elemental masses collected by a seven-wavelength Aethalometer instrument at the summit of Pico mountain in the Azorean archipelago, situated in the Central North Atlantic Ocean. Each sample corresponds to air particulate matter measured continuously for periods of approximately 24 h taken from 14th July 2001 through 14th July 2002. The statistical analysis of the coefficients of correlation between all the elements identified, permitted to establish six groups that could potentially be associated with the type of source responsible for the aerosol sampled in the lower free troposphere at the Azorean archipelago. Calculation of the synoptic back trajectories helped to corroborate the use of the iron/cesium relation as a tracer for the Saharan dust aerosol. It was demonstrated that INAA constituted an important tool to identify these events. |
format |
Article in Journal/Newspaper |
author |
Freitas, Maria do Carmo Dionísio, Isabel Fialho, Paulo Barata, Filipe |
author_facet |
Freitas, Maria do Carmo Dionísio, Isabel Fialho, Paulo Barata, Filipe |
author_sort |
Freitas, Maria do Carmo |
title |
Aerosol chemical elemental mass concentration at lower free troposphere |
title_short |
Aerosol chemical elemental mass concentration at lower free troposphere |
title_full |
Aerosol chemical elemental mass concentration at lower free troposphere |
title_fullStr |
Aerosol chemical elemental mass concentration at lower free troposphere |
title_full_unstemmed |
Aerosol chemical elemental mass concentration at lower free troposphere |
title_sort |
aerosol chemical elemental mass concentration at lower free troposphere |
publisher |
Elsevier |
publishDate |
2007 |
url |
http://hdl.handle.net/10400.3/1507 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
info:eu-repo/grantAgreement/FCT/SFRH/BD/9049/2002 http://www.sciencedirect.com/science/article/pii/S0168900207007012 Freitas, M.D.C.; Dionísio, I.; Fialho, P.; Barata, F. (2007), «Aerosol chemical elemental mass concentration at lower free troposphere», "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment", 579(1), 507-509. http://dx.doi.org/10.1016/j.nima.2007.04.148. 0168-9002 http://hdl.handle.net/10400.3/1507 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1016/j.nima.2007.04.148 |
container_title |
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
container_volume |
579 |
container_issue |
1 |
container_start_page |
507 |
op_container_end_page |
509 |
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1766130936527716352 |