SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE
Normal saturated dicarboxylic acids (C_2-C_<11>) and unsaturated diacids (maleic, fumaric, methylmaleic, phthalic acids) were detected in Arctic aerosol samples collected from Alert (82.5°N, 62.3°W), Canada, in 1987-1988,by capillary gas chromatography (GC) and GC-mass spectrometry employing d...
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ftnipr:oai:nipr.repo.nii.ac.jp:00003836 2023-05-15T14:50:24+02:00 SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE カスカベ ヒデキ カワムラ キミタカ / Hideki KASUKABE Kimitaka KAWAMURA Leonard A BARRIE 1994-11 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3836 http://id.nii.ac.jp/1291/00003836/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3836&item_no=1&attribute_id=18&file_no=1 en eng ABSTRACT Department of Chemistry, Faculty of Science, Tokyo Metropolitan University Atmospheric Environment Service National Institute of Polar Research https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3836 http://id.nii.ac.jp/1291/00003836/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 8, 179(1994-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3836&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1994 ftnipr 2022-12-17T19:45:54Z Normal saturated dicarboxylic acids (C_2-C_<11>) and unsaturated diacids (maleic, fumaric, methylmaleic, phthalic acids) were detected in Arctic aerosol samples collected from Alert (82.5°N, 62.3°W), Canada, in 1987-1988,by capillary gas chromatography (GC) and GC-mass spectrometry employing dibutyl ester derivatization. In addition to diacids, ω-oxo acids (C_2-C_5,C_9), pyruvic acid and α-dicarbonyls (methylglyoxal and glyoxal) were detected. Oxalic (C_2) acid was generally found as a dominant diacid species (1.8-70ng/m^3,av. 14±12ng/m^3) followed by malonic (C3; 0.05-19ng/m^3,av. 2.5±3.3ng/m^3) and succinic (C_4; 0.51-18ng/m^3,av. 3.8±3.5ng/m^3) acids throughout all seasons. Total concentrations of dicarboxylic acids showed seasonal variation (4.3-97ng/m^3,av. 25±20ng/m^3), with two maxima both in September to October and in March to April. The autumn peak was suggested to be caused by enhanced contributions from both biogenic and anthropogenic sources followed by photo-chemical reactions, because this was consistent with higher concentrations of η-alkanes from terrestrial plant waxes and of soil-derived aluminum in the autumn aerosol samples. On the other hand, the spring peak was observed during the period of "Arctic Sunrise". This result suggested that diacids in the spring aerosols were secondarily produced by photochemical reactions of organic pollutants carried into the Arctic during the winter season, with O_3 and OH radicals which were produced under a strong solar radiation. Report Arctic Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology National Institute of Polar Research Repository, Japan Arctic Canada |
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Open Polar |
collection |
National Institute of Polar Research Repository, Japan |
op_collection_id |
ftnipr |
language |
English |
description |
Normal saturated dicarboxylic acids (C_2-C_<11>) and unsaturated diacids (maleic, fumaric, methylmaleic, phthalic acids) were detected in Arctic aerosol samples collected from Alert (82.5°N, 62.3°W), Canada, in 1987-1988,by capillary gas chromatography (GC) and GC-mass spectrometry employing dibutyl ester derivatization. In addition to diacids, ω-oxo acids (C_2-C_5,C_9), pyruvic acid and α-dicarbonyls (methylglyoxal and glyoxal) were detected. Oxalic (C_2) acid was generally found as a dominant diacid species (1.8-70ng/m^3,av. 14±12ng/m^3) followed by malonic (C3; 0.05-19ng/m^3,av. 2.5±3.3ng/m^3) and succinic (C_4; 0.51-18ng/m^3,av. 3.8±3.5ng/m^3) acids throughout all seasons. Total concentrations of dicarboxylic acids showed seasonal variation (4.3-97ng/m^3,av. 25±20ng/m^3), with two maxima both in September to October and in March to April. The autumn peak was suggested to be caused by enhanced contributions from both biogenic and anthropogenic sources followed by photo-chemical reactions, because this was consistent with higher concentrations of η-alkanes from terrestrial plant waxes and of soil-derived aluminum in the autumn aerosol samples. On the other hand, the spring peak was observed during the period of "Arctic Sunrise". This result suggested that diacids in the spring aerosols were secondarily produced by photochemical reactions of organic pollutants carried into the Arctic during the winter season, with O_3 and OH radicals which were produced under a strong solar radiation. |
format |
Report |
author |
カスカベ ヒデキ カワムラ キミタカ / Hideki KASUKABE Kimitaka KAWAMURA Leonard A BARRIE |
spellingShingle |
カスカベ ヒデキ カワムラ キミタカ / Hideki KASUKABE Kimitaka KAWAMURA Leonard A BARRIE SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE |
author_facet |
カスカベ ヒデキ カワムラ キミタカ / Hideki KASUKABE Kimitaka KAWAMURA Leonard A BARRIE |
author_sort |
カスカベ ヒデキ |
title |
SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE |
title_short |
SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE |
title_full |
SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE |
title_fullStr |
SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE |
title_full_unstemmed |
SEASONAL VARIATION OF LOW MOLECULAR WEIGHT DICARBOXYLIC ACIDS IN THE ARCTIC ATMOSPHERE |
title_sort |
seasonal variation of low molecular weight dicarboxylic acids in the arctic atmosphere |
publisher |
ABSTRACT |
publishDate |
1994 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3836 http://id.nii.ac.jp/1291/00003836/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3836&item_no=1&attribute_id=18&file_no=1 |
geographic |
Arctic Canada |
geographic_facet |
Arctic Canada |
genre |
Arctic Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology |
genre_facet |
Arctic Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3836 http://id.nii.ac.jp/1291/00003836/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 8, 179(1994-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3836&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766321431502651392 |