Major 20th century changes of water-soluble humic-like substances (HULISWS) aerosol over Europe inferred from Alpine ice cores
Identifieur interne : 000634 ( PascalFrancis/Corpus ); précédent : 000633; suivant : 000635Major 20th century changes of water-soluble humic-like substances (HULISWS) aerosol over Europe inferred from Alpine ice cores
Auteurs : J. Guilhermet ; S. Preunkert ; D. Voisin ; C. Baduel ; M. LegrandSource :
- Journal of geophysical research. Atmospheres : (Print) [ 2169-897X ] ; 2013.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Using a newly developed method dedicated to measurements of water-soluble humic-like substances (HULISWS) in atmospheric aerosol samples, the carbon mass quantification of HULISWS in an Alpine ice core is achieved for the first time. The method is based on the extraction of HULISWS with a weak anion-exchanger resin and the subsequent quantification of the extracted carbon fraction with a total organic carbon (TOC) analyzer. Measurements were performed along a Col du Dôme (4250 m above sea level, French Alps) ice core covering the 1920-2004 time period. The HULISWS concentrations exhibit a well-marked seasonal cycle with winter minima close to 7 ppbC and summer maxima ranging between 10 and 50 ppbC. Whereas the winter HULISWS concentrations remained unchanged over the twentieth century, the summer concentrations increased from 20 ppbC prior to the Second World War to 35 ppbC in the 1970-1990s. These different trends reflect the different types of HULISWS sources in winter and summer. HULISWS are mainly primarily emitted by domestic wood burning in winter and secondary in summer being produced from biogenic precursors. For unknown reason, the HULISWS signal is found to be unusual in ice samples corresponding to World War II.
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Format Inist (serveur)
NO : | PASCAL 14-0009278 INIST |
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ET : | Major 20th century changes of water-soluble humic-like substances (HULISWS) aerosol over Europe inferred from Alpine ice cores |
AU : | GUILHERMET (J.); PREUNKERT (S.); VOISIN (D.); BADUEL (C.); LEGRAND (M.) |
AF : | UJF-Grenoble 1/CNRS, Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE) UMR 5183/Grenoble 38041/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut.); National Research Centre for Environmental Toxicology (Entox)/Coopers Plains, Queensland 4108/Australie (4 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Journal of geophysical research. Atmospheres : (Print); ISSN 2169-897X; Etats-Unis; Da. 2013; Vol. 118; No. 9; Pp. 3869-3878; Bibl. 1 p.1/2 |
LA : | Anglais |
EA : | Using a newly developed method dedicated to measurements of water-soluble humic-like substances (HULISWS) in atmospheric aerosol samples, the carbon mass quantification of HULISWS in an Alpine ice core is achieved for the first time. The method is based on the extraction of HULISWS with a weak anion-exchanger resin and the subsequent quantification of the extracted carbon fraction with a total organic carbon (TOC) analyzer. Measurements were performed along a Col du Dôme (4250 m above sea level, French Alps) ice core covering the 1920-2004 time period. The HULISWS concentrations exhibit a well-marked seasonal cycle with winter minima close to 7 ppbC and summer maxima ranging between 10 and 50 ppbC. Whereas the winter HULISWS concentrations remained unchanged over the twentieth century, the summer concentrations increased from 20 ppbC prior to the Second World War to 35 ppbC in the 1970-1990s. These different trends reflect the different types of HULISWS sources in winter and summer. HULISWS are mainly primarily emitted by domestic wood burning in winter and secondary in summer being produced from biogenic precursors. For unknown reason, the HULISWS signal is found to be unusual in ice samples corresponding to World War II. |
CC : | 001E02D |
FD : | Siècle 20eme; Aérosol; Carotte; Carbone organique total; Matière organique; Variation saisonnière; Analyse tendance; Facteur biogène; Précurseur; Glace; Europe; Alpes Françaises |
FG : | Alpes |
ED : | Century 20th; aerosols; drill cores; Total organic carbon; organic materials; seasonal variations; trend-surface analysis; Biogenic factor; Precursor; ice; Europe; French Alps |
EG : | Alps |
SD : | Siglo 20; Aerosol; Testigo; Carbono orgánico total; Materia orgánica; Variación estacional; Análisis tendencia; Factor biógeno; Precursor; Hielo; Europa; Alpes Franceses |
LO : | INIST-3144D1.354000140724180320 |
ID : | 14-0009278 |
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Pascal:14-0009278Le document en format XML
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<front><div type="abstract" xml:lang="en">Using a newly developed method dedicated to measurements of water-soluble humic-like substances (HULIS<sub>WS</sub>
) in atmospheric aerosol samples, the carbon mass quantification of HULIS<sub>WS</sub>
in an Alpine ice core is achieved for the first time. The method is based on the extraction of HULIS<sub>WS</sub>
with a weak anion-exchanger resin and the subsequent quantification of the extracted carbon fraction with a total organic carbon (TOC) analyzer. Measurements were performed along a Col du Dôme (4250 m above sea level, French Alps) ice core covering the 1920-2004 time period. The HULIS<sub>WS</sub>
concentrations exhibit a well-marked seasonal cycle with winter minima close to 7 ppbC and summer maxima ranging between 10 and 50 ppbC. Whereas the winter HULIS<sub>WS</sub>
concentrations remained unchanged over the twentieth century, the summer concentrations increased from 20 ppbC prior to the Second World War to 35 ppbC in the 1970-1990s. These different trends reflect the different types of HULIS<sub>WS</sub>
sources in winter and summer. HULIS<sub>WS</sub>
are mainly primarily emitted by domestic wood burning in winter and secondary in summer being produced from biogenic precursors. For unknown reason, the HULIS<sub>WS</sub>
signal is found to be unusual in ice samples corresponding to World War II.</div>
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in an Alpine ice core is achieved for the first time. The method is based on the extraction of HULIS<sub>WS</sub>
with a weak anion-exchanger resin and the subsequent quantification of the extracted carbon fraction with a total organic carbon (TOC) analyzer. Measurements were performed along a Col du Dôme (4250 m above sea level, French Alps) ice core covering the 1920-2004 time period. The HULIS<sub>WS</sub>
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<server><NO>PASCAL 14-0009278 INIST</NO>
<ET>Major 20th century changes of water-soluble humic-like substances (HULIS<sub>WS</sub>
) aerosol over Europe inferred from Alpine ice cores</ET>
<AU>GUILHERMET (J.); PREUNKERT (S.); VOISIN (D.); BADUEL (C.); LEGRAND (M.)</AU>
<AF>UJF-Grenoble 1/CNRS, Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE) UMR 5183/Grenoble 38041/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut.); National Research Centre for Environmental Toxicology (Entox)/Coopers Plains, Queensland 4108/Australie (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of geophysical research. Atmospheres : (Print); ISSN 2169-897X; Etats-Unis; Da. 2013; Vol. 118; No. 9; Pp. 3869-3878; Bibl. 1 p.1/2</SO>
<LA>Anglais</LA>
<EA>Using a newly developed method dedicated to measurements of water-soluble humic-like substances (HULIS<sub>WS</sub>
) in atmospheric aerosol samples, the carbon mass quantification of HULIS<sub>WS</sub>
in an Alpine ice core is achieved for the first time. The method is based on the extraction of HULIS<sub>WS</sub>
with a weak anion-exchanger resin and the subsequent quantification of the extracted carbon fraction with a total organic carbon (TOC) analyzer. Measurements were performed along a Col du Dôme (4250 m above sea level, French Alps) ice core covering the 1920-2004 time period. The HULIS<sub>WS</sub>
concentrations exhibit a well-marked seasonal cycle with winter minima close to 7 ppbC and summer maxima ranging between 10 and 50 ppbC. Whereas the winter HULIS<sub>WS</sub>
concentrations remained unchanged over the twentieth century, the summer concentrations increased from 20 ppbC prior to the Second World War to 35 ppbC in the 1970-1990s. These different trends reflect the different types of HULIS<sub>WS</sub>
sources in winter and summer. HULIS<sub>WS</sub>
are mainly primarily emitted by domestic wood burning in winter and secondary in summer being produced from biogenic precursors. For unknown reason, the HULIS<sub>WS</sub>
signal is found to be unusual in ice samples corresponding to World War II.</EA>
<CC>001E02D</CC>
<FD>Siècle 20eme; Aérosol; Carotte; Carbone organique total; Matière organique; Variation saisonnière; Analyse tendance; Facteur biogène; Précurseur; Glace; Europe; Alpes Françaises</FD>
<FG>Alpes</FG>
<ED>Century 20th; aerosols; drill cores; Total organic carbon; organic materials; seasonal variations; trend-surface analysis; Biogenic factor; Precursor; ice; Europe; French Alps</ED>
<EG>Alps</EG>
<SD>Siglo 20; Aerosol; Testigo; Carbono orgánico total; Materia orgánica; Variación estacional; Análisis tendencia; Factor biógeno; Precursor; Hielo; Europa; Alpes Franceses</SD>
<LO>INIST-3144D1.354000140724180320</LO>
<ID>14-0009278</ID>
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