MozartV1, PascalFrancis, Corpus, bibRecord, 000173

Estimating the average time for inter-continental transport of air pollutants

Identifieur interne : 000173 ( PascalFrancis/Corpus ); précédent : 000172; suivant : 000174

Estimating the average time for inter-continental transport of air pollutants

Auteurs : JUNFENG LIU ; Denise L. Mauzerall

Source :

Geophysical research letters [ 0094-8276 ] ; 2005.

RBID : Pascal:05-0326086

Descripteurs français

Pascal (Inist)
- Moyenne temporelle, Transport, Air, Polluant, Traceur chimique, Simulation, Monde, Modèle, Météorologie, Concentration, Durée vie, Asie, Amérique du Nord, Circulation, Panache, Europe Ouest.

English descriptors

KwdEn :
- Asia, Lifetime, North America, Time average, Western Europe, air, chemical tracers, circulation, concentration, global, meteorology, models, plumes, pollutants, simulation, transport.

Abstract

[1] We estimate the average time required for inter-continental transport of atmospheric tracers based on simulations with the global chemical tracer model MOZART-2 driven with NCEP meteorology. We represent the average transport time by a ratio of the concentration of two tracers with different lifetimes. We find that average transport times increase with tracer lifetimes. With tracers of 1- and 2-week lifetimes the average transport time from East Asia (EA) to the surface of western North America (NA) in April is 2-3 weeks, approximately a half week longer than transport from NA to western Europe (EU) and from EU to EA. We develop an 'equivalent circulation' method to estimate a timescale which has little dependence on tracer lifetimes and obtain similar results to those obtained with short-lived tracers. Our findings show that average inter-continental transport times, even for tracers with short lifetimes, are on average 1-2 weeks longer than rapid transport observed in plumes.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A03		`1`		`@0 Geophys. res. lett.`
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A08	`01`	`1`	`ENG`	`@1 Estimating the average time for inter-continental transport of air pollutants`
A11	`01`	`1`		`@1 JUNFENG LIU`
A11	`02`	`1`		`@1 MAUZERALL (Denise L.)`
A14	`01`			`@1 Woodrow Wilson School of Public and International Affairs, Princeton University @2 Princeton, New Jersey @3 USA @Z 1 aut. @Z 2 aut.`
A20				`@2 L11814.1-L11814.4`
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A47	`01`	`1`		`@0 05-0326086`
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A61				`@0 A`
A64	`01`	`1`		`@0 Geophysical research letters`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 [1] We estimate the average time required for inter-continental transport of atmospheric tracers based on simulations with the global chemical tracer model MOZART-2 driven with NCEP meteorology. We represent the average transport time by a ratio of the concentration of two tracers with different lifetimes. We find that average transport times increase with tracer lifetimes. With tracers of 1- and 2-week lifetimes the average transport time from East Asia (EA) to the surface of western North America (NA) in April is 2-3 weeks, approximately a half week longer than transport from NA to western Europe (EU) and from EU to EA. We develop an 'equivalent circulation' method to estimate a timescale which has little dependence on tracer lifetimes and obtain similar results to those obtained with short-lived tracers. Our findings show that average inter-continental transport times, even for tracers with short lifetimes, are on average 1-2 weeks longer than rapid transport observed in plumes.
C02	`01`	`2`		`@0 220`
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C03	`03`	`2`	`ENG`	`@0 air @5 03`
C03	`04`	`2`	`FRE`	`@0 Polluant @5 04`
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C03	`04`	`2`	`SPA`	`@0 Contaminante @5 04`
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C03	`06`	`2`	`ENG`	`@0 simulation @5 06`
C03	`06`	`2`	`SPA`	`@0 Simulación @5 06`
C03	`07`	`2`	`FRE`	`@0 Monde @5 07`
C03	`07`	`2`	`ENG`	`@0 global @5 07`
C03	`07`	`2`	`SPA`	`@0 Mundo @5 07`
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C03	`08`	`2`	`ENG`	`@0 models @5 08`
C03	`08`	`2`	`SPA`	`@0 Modelo @5 08`
C03	`09`	`2`	`FRE`	`@0 Météorologie @5 09`
C03	`09`	`2`	`ENG`	`@0 meteorology @5 09`
C03	`09`	`2`	`SPA`	`@0 Meteorología @5 09`
C03	`10`	`2`	`FRE`	`@0 Concentration @5 10`
C03	`10`	`2`	`ENG`	`@0 concentration @5 10`
C03	`10`	`2`	`SPA`	`@0 Concentración @5 10`
C03	`11`	`X`	`FRE`	`@0 Durée vie @5 11`
C03	`11`	`X`	`ENG`	`@0 Lifetime @5 11`
C03	`11`	`X`	`SPA`	`@0 Tiempo vida @5 11`
C03	`12`	`2`	`FRE`	`@0 Asie @5 12`
C03	`12`	`2`	`ENG`	`@0 Asia @5 12`
C03	`12`	`2`	`SPA`	`@0 Asia @5 12`
C03	`13`	`2`	`FRE`	`@0 Amérique du Nord @5 13`
C03	`13`	`2`	`ENG`	`@0 North America @5 13`
C03	`13`	`2`	`SPA`	`@0 America del norte @5 13`
C03	`14`	`2`	`FRE`	`@0 Circulation @5 14`
C03	`14`	`2`	`ENG`	`@0 circulation @5 14`
C03	`15`	`2`	`FRE`	`@0 Panache @5 15`
C03	`15`	`2`	`ENG`	`@0 plumes @5 15`
C03	`15`	`2`	`SPA`	`@0 Penacho @5 15`
C03	`16`	`2`	`FRE`	`@0 Europe Ouest @2 NG @5 61`
C03	`16`	`2`	`ENG`	`@0 Western Europe @2 NG @5 61`
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N21				`@1 227`
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Format Inist (serveur)

NO :	PASCAL 05-0326086 INIST
ET :	Estimating the average time for inter-continental transport of air pollutants
AU :	JUNFENG LIU; MAUZERALL (Denise L.)
AF :	Woodrow Wilson School of Public and International Affairs, Princeton University/Princeton, New Jersey/Etats-Unis (1 aut., 2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Geophysical research letters; ISSN 0094-8276; Coden GPRLAJ; Etats-Unis; Da. 2005; Vol. 32; No. 11; L11814.1-L11814.4; Bibl. 15 ref.
LA :	Anglais
EA :	[1] We estimate the average time required for inter-continental transport of atmospheric tracers based on simulations with the global chemical tracer model MOZART-2 driven with NCEP meteorology. We represent the average transport time by a ratio of the concentration of two tracers with different lifetimes. We find that average transport times increase with tracer lifetimes. With tracers of 1- and 2-week lifetimes the average transport time from East Asia (EA) to the surface of western North America (NA) in April is 2-3 weeks, approximately a half week longer than transport from NA to western Europe (EU) and from EU to EA. We develop an 'equivalent circulation' method to estimate a timescale which has little dependence on tracer lifetimes and obtain similar results to those obtained with short-lived tracers. Our findings show that average inter-continental transport times, even for tracers with short lifetimes, are on average 1-2 weeks longer than rapid transport observed in plumes.
CC :	220; 001E; 001E01
FD :	Moyenne temporelle; Transport; Air; Polluant; Traceur chimique; Simulation; Monde; Modèle; Météorologie; Concentration; Durée vie; Asie; Amérique du Nord; Circulation; Panache; Europe Ouest
FG :	Europe
ED :	Time average; transport; air; pollutants; chemical tracers; simulation; global; models; meteorology; concentration; Lifetime; Asia; North America; circulation; plumes; Western Europe
EG :	Europe
SD :	Promedio temporal; Transporte; Contaminante; Simulación; Mundo; Modelo; Meteorología; Concentración; Tiempo vida; Asia; America del norte; Penacho; Europa del Oeste
LO :	INIST-16687.354000138597810550
ID :	05-0326086

Links to Exploration step

Pascal:05-0326086

Le document en format XML

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<front><div type="abstract" xml:lang="en">[1] We estimate the average time required for inter-continental transport of atmospheric tracers based on simulations with the global chemical tracer model MOZART-2 driven with NCEP meteorology. We represent the average transport time by a ratio of the concentration of two tracers with different lifetimes. We find that average transport times increase with tracer lifetimes. With tracers of 1- and 2-week lifetimes the average transport time from East Asia (EA) to the surface of western North America (NA) in April is 2-3 weeks, approximately a half week longer than transport from NA to western Europe (EU) and from EU to EA. We develop an 'equivalent circulation' method to estimate a timescale which has little dependence on tracer lifetimes and obtain similar results to those obtained with short-lived tracers. Our findings show that average inter-continental transport times, even for tracers with short lifetimes, are on average 1-2 weeks longer than rapid transport observed in plumes.</div>
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<server><NO>PASCAL 05-0326086 INIST</NO>
<ET>Estimating the average time for inter-continental transport of air pollutants</ET>
<AU>JUNFENG LIU; MAUZERALL (Denise L.)</AU>
<AF>Woodrow Wilson School of Public and International Affairs, Princeton University/Princeton, New Jersey/Etats-Unis (1 aut., 2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Geophysical research letters; ISSN 0094-8276; Coden GPRLAJ; Etats-Unis; Da. 2005; Vol. 32; No. 11; L11814.1-L11814.4; Bibl. 15 ref.</SO>
<LA>Anglais</LA>
<EA>[1] We estimate the average time required for inter-continental transport of atmospheric tracers based on simulations with the global chemical tracer model MOZART-2 driven with NCEP meteorology. We represent the average transport time by a ratio of the concentration of two tracers with different lifetimes. We find that average transport times increase with tracer lifetimes. With tracers of 1- and 2-week lifetimes the average transport time from East Asia (EA) to the surface of western North America (NA) in April is 2-3 weeks, approximately a half week longer than transport from NA to western Europe (EU) and from EU to EA. We develop an 'equivalent circulation' method to estimate a timescale which has little dependence on tracer lifetimes and obtain similar results to those obtained with short-lived tracers. Our findings show that average inter-continental transport times, even for tracers with short lifetimes, are on average 1-2 weeks longer than rapid transport observed in plumes.</EA>
<CC>220; 001E; 001E01</CC>
<FD>Moyenne temporelle; Transport; Air; Polluant; Traceur chimique; Simulation; Monde; Modèle; Météorologie; Concentration; Durée vie; Asie; Amérique du Nord; Circulation; Panache; Europe Ouest</FD>
<FG>Europe</FG>
<ED>Time average; transport; air; pollutants; chemical tracers; simulation; global; models; meteorology; concentration; Lifetime; Asia; North America; circulation; plumes; Western Europe</ED>
<EG>Europe</EG>
<SD>Promedio temporal; Transporte; Contaminante; Simulación; Mundo; Modelo; Meteorología; Concentración; Tiempo vida; Asia; America del norte; Penacho; Europa del Oeste</SD>
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<ID>05-0326086</ID>
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Estimating the average time for inter-continental transport of air pollutants

Estimating the average time for inter-continental transport of air pollutants

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