Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002 : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments
Identifieur interne : 000180 ( PascalFrancis/Corpus ); précédent : 000179; suivant : 000181Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002 : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments
Auteurs : YOUHUA TANG ; Gregory R. Carmichael ; Larry W. Horowitz ; Itsushi Uno ; Jung-Hun Woo ; David G. Streets ; Donald Dabdub ; Gakuji Kurata ; Adrian Sandu ; James Allan ; Elliot Atlas ; Franck Flocke ; Lewis Gregory Huey ; Roger O. Jakoubek ; Dylan B. Millet ; Patricia K. Quinn ; James M. Roberts ; Douglas R. Worsnop ; Allen Goldstein ; Stephen Donnelly ; Sue Schauffler ; Verity Stroud ; Kristen Johnson ; Melody A. Avery ; Hanwant B. Singh ; Eric C. ApelSource :
- Journal of geophysical research [ 0148-0227 ] ; 2004.
Descripteurs français
- Pascal (Inist)
- Ile Trinité, Californie Nord, Simulation, Troposphère, Source, Printemps, Modélisation, Transport, Transformation chimique, Etude expérimentale, Traceur chimique, Modèle chimique, Prévision météorologique, Couplage, Ozone, Monde, Observation par avion, Air, NOAA, Nitrate, Particule, Aérosol, Concentration, Polluant, Vent, Accumulation, Plomb.
English descriptors
- KwdEn :
- Aircraft observation, Chemical model, Chemical transformation, Modeling, NOAA, Northern California, Spring(season), Trinidad, Weather forecast, accumulation, aerosols, air, chemical tracers, concentration, coupling, experimental studies, global, lead, nitrates, ozone, particles, pollutants, simulation, springs, transport, troposphere, winds.
Abstract
Regional modeling analysis for the Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) experiment over the eastern Pacific and U.S. West Coast is performed using a multiscale modeling system, including the regional tracer model Chemical Weather Forecasting System (CFORS), the Sulfur Transport and Emissions Model 2003 (STEM-2K3) regional chemical transport model, and an off-line coupling with the Model of Ozone and Related Chemical Tracers (MOZART) global chemical transport model. CO regional tracers calculated online in the CFORS model are used to identify aircraft measurement periods with Asian influences. Asian-influenced air masses measured by the National Oceanic and Atmospheric Administration (NOAA) WP-3 aircraft in this experiment are found to have lower ΔAcetone/ΔCO, ΔMethanol/ΔCO, and ΔPropane/ΔEthyne ratios than air masses influenced by U.S. emissions, reflecting differences in regional emission signals. The Asian air masses in the eastern Pacific are found to usually be well aged (>5 days), to be highly diffused, and to have low NOy levels. Chemical budget analysis is performed for two flights, and the O3 net chemical budgets are found to be negative (net destructive) in the places dominated by Asian influences or clear sites and positive in polluted American air masses. During the trans-Pacific transport, part of gaseous HNO3was converted to nitrate particle, and this conversion was attributed to NOy decline. Without the aerosol consideration, the model tends to overestimate HNO3 background concentration along the coast region.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
| NO : | PASCAL 05-0089073 INIST |
|---|---|
| ET : | Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002 : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments |
| AU : | YOUHUA TANG; CARMICHAEL (Gregory R.); HOROWITZ (Larry W.); UNO (Itsushi); WOO (Jung-Hun); STREETS (David G.); DABDUB (Donald); KURATA (Gakuji); SANDU (Adrian); ALLAN (James); ATLAS (Elliot); FLOCKE (Franck); HUEY (Lewis Gregory); JAKOUBEK (Roger O.); MILLET (Dylan B.); QUINN (Patricia K.); ROBERTS (James M.); WORSNOP (Douglas R.); GOLDSTEIN (Allen); DONNELLY (Stephen); SCHAUFFLER (Sue); STROUD (Verity); JOHNSON (Kristen); AVERY (Melody A.); SINGH (Hanwant B.); APEL (Eric C.) |
| DT : | Publication en série; Niveau analytique |
| SO : | Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2004; Vol. 109; No. D23; D23S11.1-D23S11.25; Bibl. 41 ref. |
| LA : | Anglais |
| EA : | Regional modeling analysis for the Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) experiment over the eastern Pacific and U.S. West Coast is performed using a multiscale modeling system, including the regional tracer model Chemical Weather Forecasting System (CFORS), the Sulfur Transport and Emissions Model 2003 (STEM-2K3) regional chemical transport model, and an off-line coupling with the Model of Ozone and Related Chemical Tracers (MOZART) global chemical transport model. CO regional tracers calculated online in the CFORS model are used to identify aircraft measurement periods with Asian influences. Asian-influenced air masses measured by the National Oceanic and Atmospheric Administration (NOAA) WP-3 aircraft in this experiment are found to have lower ΔAcetone/ΔCO, ΔMethanol/ΔCO, and ΔPropane/ΔEthyne ratios than air masses influenced by U.S. emissions, reflecting differences in regional emission signals. The Asian air masses in the eastern Pacific are found to usually be well aged (>5 days), to be highly diffused, and to have low NOy levels. Chemical budget analysis is performed for two flights, and the O3 net chemical budgets are found to be negative (net destructive) in the places dominated by Asian influences or clear sites and positive in polluted American air masses. During the trans-Pacific transport, part of gaseous HNO3was converted to nitrate particle, and this conversion was attributed to NOy decline. Without the aerosol consideration, the model tends to overestimate HNO3 background concentration along the coast region. |
| CC : | 220; 001E; 001E01 |
| FD : | Ile Trinité; Californie Nord; Simulation; Troposphère; Source; Printemps; Modélisation; Transport; Transformation chimique; Etude expérimentale; Traceur chimique; Modèle chimique; Prévision météorologique; Couplage; Ozone; Monde; Observation par avion; Air; NOAA; Nitrate; Particule; Aérosol; Concentration; Polluant; Vent; Accumulation; Plomb |
| FG : | Trinidad Tobago; Petites Antilles; Antilles; Iles Caraïbes; Région des Caraïbes; Californie; Etats Unis; Amérique du Nord |
| ED : | Trinidad; Northern California; simulation; troposphere; springs; Spring(season); Modeling; transport; Chemical transformation; experimental studies; chemical tracers; Chemical model; Weather forecast; coupling; ozone; global; Aircraft observation; air; NOAA; nitrates; particles; aerosols; concentration; pollutants; winds; accumulation; lead |
| EG : | Trinidad and Tobago; Lesser Antilles; Antilles; West Indies; Caribbean region; California; United States; North America |
| SD : | Isla Trinidad; Simulación; Fuente; Primavera; Modelización; Transporte; Transformación química; Modelo químico; Previsión meteorológica; Ozono; Mundo; Observación por avión; Nitrato; Aerosol; Concentración; Contaminante; Viento; Plomo |
| LO : | INIST-3144.354000126502490340 |
| ID : | 05-0089073 |
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Pascal:05-0089073Le document en format XML
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Avery</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Singh, Hanwant B" sort="Singh, Hanwant B" uniqKey="Singh H" first="Hanwant B." last="Singh">Hanwant B. Singh</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Apel, Eric C" sort="Apel, Eric C" uniqKey="Apel E" first="Eric C." last="Apel">Eric C. Apel</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">05-0089073</idno><date when="2004">2004</date><idno type="stanalyst">PASCAL 05-0089073 INIST</idno><idno type="RBID">Pascal:05-0089073</idno><idno type="wicri:Area/PascalFrancis/Corpus">000180</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002 : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments</title><author><name sortKey="Youhua Tang" sort="Youhua Tang" uniqKey="Youhua Tang" last="Youhua Tang">YOUHUA TANG</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Carmichael, Gregory R" sort="Carmichael, Gregory R" uniqKey="Carmichael G" first="Gregory R." last="Carmichael">Gregory R. Carmichael</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Horowitz, Larry W" sort="Horowitz, Larry W" uniqKey="Horowitz L" first="Larry W." last="Horowitz">Larry W. Horowitz</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Uno, Itsushi" sort="Uno, Itsushi" uniqKey="Uno I" first="Itsushi" last="Uno">Itsushi Uno</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Woo, Jung Hun" sort="Woo, Jung Hun" uniqKey="Woo J" first="Jung-Hun" last="Woo">Jung-Hun Woo</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Streets, David G" sort="Streets, David G" uniqKey="Streets D" first="David G." last="Streets">David G. Streets</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Dabdub, Donald" sort="Dabdub, Donald" uniqKey="Dabdub D" first="Donald" last="Dabdub">Donald Dabdub</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Kurata, Gakuji" sort="Kurata, Gakuji" uniqKey="Kurata G" first="Gakuji" last="Kurata">Gakuji Kurata</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Sandu, Adrian" sort="Sandu, Adrian" uniqKey="Sandu A" first="Adrian" last="Sandu">Adrian Sandu</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Allan, James" sort="Allan, James" uniqKey="Allan J" first="James" last="Allan">James Allan</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Atlas, Elliot" sort="Atlas, Elliot" uniqKey="Atlas E" first="Elliot" last="Atlas">Elliot Atlas</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Flocke, Franck" sort="Flocke, Franck" uniqKey="Flocke F" first="Franck" last="Flocke">Franck Flocke</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Huey, Lewis Gregory" sort="Huey, Lewis Gregory" uniqKey="Huey L" first="Lewis Gregory" last="Huey">Lewis Gregory Huey</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Jakoubek, Roger O" sort="Jakoubek, Roger O" uniqKey="Jakoubek R" first="Roger O." last="Jakoubek">Roger O. Jakoubek</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Millet, Dylan B" sort="Millet, Dylan B" uniqKey="Millet D" first="Dylan B." last="Millet">Dylan B. Millet</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Quinn, Patricia K" sort="Quinn, Patricia K" uniqKey="Quinn P" first="Patricia K." last="Quinn">Patricia K. Quinn</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Roberts, James M" sort="Roberts, James M" uniqKey="Roberts J" first="James M." last="Roberts">James M. Roberts</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Worsnop, Douglas R" sort="Worsnop, Douglas R" uniqKey="Worsnop D" first="Douglas R." last="Worsnop">Douglas R. Worsnop</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Goldstein, Allen" sort="Goldstein, Allen" uniqKey="Goldstein A" first="Allen" last="Goldstein">Allen Goldstein</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Donnelly, Stephen" sort="Donnelly, Stephen" uniqKey="Donnelly S" first="Stephen" last="Donnelly">Stephen Donnelly</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Schauffler, Sue" sort="Schauffler, Sue" uniqKey="Schauffler S" first="Sue" last="Schauffler">Sue Schauffler</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Stroud, Verity" sort="Stroud, Verity" uniqKey="Stroud V" first="Verity" last="Stroud">Verity Stroud</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Johnson, Kristen" sort="Johnson, Kristen" uniqKey="Johnson K" first="Kristen" last="Johnson">Kristen Johnson</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Avery, Melody A" sort="Avery, Melody A" uniqKey="Avery M" first="Melody A." last="Avery">Melody A. Avery</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Singh, Hanwant B" sort="Singh, Hanwant B" uniqKey="Singh H" first="Hanwant B." last="Singh">Hanwant B. Singh</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author><author><name sortKey="Apel, Eric C" sort="Apel, Eric C" uniqKey="Apel E" first="Eric C." last="Apel">Eric C. Apel</name><affiliation><wicri:noCountry>no AF</wicri:noCountry></affiliation></author></analytic><series><title level="j" type="main">Journal of geophysical research</title><title level="j" type="abbreviated">J. geophys. res.</title><idno type="ISSN">0148-0227</idno><imprint><date when="2004">2004</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of geophysical research</title><title level="j" type="abbreviated">J. geophys. res.</title><idno type="ISSN">0148-0227</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aircraft observation</term><term>Chemical model</term><term>Chemical transformation</term><term>Modeling</term><term>NOAA</term><term>Northern California</term><term>Spring(season)</term><term>Trinidad</term><term>Weather forecast</term><term>accumulation</term><term>aerosols</term><term>air</term><term>chemical tracers</term><term>concentration</term><term>coupling</term><term>experimental studies</term><term>global</term><term>lead</term><term>nitrates</term><term>ozone</term><term>particles</term><term>pollutants</term><term>simulation</term><term>springs</term><term>transport</term><term>troposphere</term><term>winds</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Ile Trinité</term><term>Californie Nord</term><term>Simulation</term><term>Troposphère</term><term>Source</term><term>Printemps</term><term>Modélisation</term><term>Transport</term><term>Transformation chimique</term><term>Etude expérimentale</term><term>Traceur chimique</term><term>Modèle chimique</term><term>Prévision météorologique</term><term>Couplage</term><term>Ozone</term><term>Monde</term><term>Observation par avion</term><term>Air</term><term>NOAA</term><term>Nitrate</term><term>Particule</term><term>Aérosol</term><term>Concentration</term><term>Polluant</term><term>Vent</term><term>Accumulation</term><term>Plomb</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Regional modeling analysis for the Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) experiment over the eastern Pacific and U.S. West Coast is performed using a multiscale modeling system, including the regional tracer model Chemical Weather Forecasting System (CFORS), the Sulfur Transport and Emissions Model 2003 (STEM-2K3) regional chemical transport model, and an off-line coupling with the Model of Ozone and Related Chemical Tracers (MOZART) global chemical transport model. CO regional tracers calculated online in the CFORS model are used to identify aircraft measurement periods with Asian influences. Asian-influenced air masses measured by the National Oceanic and Atmospheric Administration (NOAA) WP-3 aircraft in this experiment are found to have lower ΔAcetone/ΔCO, ΔMethanol/ΔCO, and ΔPropane/ΔEthyne ratios than air masses influenced by U.S. emissions, reflecting differences in regional emission signals. The Asian air masses in the eastern Pacific are found to usually be well aged (>5 days), to be highly diffused, and to have low NOy levels. Chemical budget analysis is performed for two flights, and the O<sub>3</sub> net chemical budgets are found to be negative (net destructive) in the places dominated by Asian influences or clear sites and positive in polluted American air masses. During the trans-Pacific transport, part of gaseous HNO<sub>3</sub>was converted to nitrate particle, and this conversion was attributed to NOy decline. Without the aerosol consideration, the model tends to overestimate HNO<sub>3</sub> background concentration along the coast region.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0148-0227</s0></fA01><fA03 i2="1"><s0>J. geophys. res.</s0></fA03><fA05><s2>109</s2></fA05><fA06><s2>D23</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002 : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments</s1></fA08><fA11 i1="01" i2="1"><s1>YOUHUA TANG</s1></fA11><fA11 i1="02" i2="1"><s1>CARMICHAEL (Gregory R.)</s1></fA11><fA11 i1="03" i2="1"><s1>HOROWITZ (Larry W.)</s1></fA11><fA11 i1="04" i2="1"><s1>UNO (Itsushi)</s1></fA11><fA11 i1="05" i2="1"><s1>WOO (Jung-Hun)</s1></fA11><fA11 i1="06" i2="1"><s1>STREETS (David G.)</s1></fA11><fA11 i1="07" i2="1"><s1>DABDUB (Donald)</s1></fA11><fA11 i1="08" i2="1"><s1>KURATA (Gakuji)</s1></fA11><fA11 i1="09" i2="1"><s1>SANDU (Adrian)</s1></fA11><fA11 i1="10" i2="1"><s1>ALLAN (James)</s1></fA11><fA11 i1="11" i2="1"><s1>ATLAS (Elliot)</s1></fA11><fA11 i1="12" i2="1"><s1>FLOCKE (Franck)</s1></fA11><fA11 i1="13" i2="1"><s1>HUEY (Lewis Gregory)</s1></fA11><fA11 i1="14" i2="1"><s1>JAKOUBEK (Roger O.)</s1></fA11><fA11 i1="15" i2="1"><s1>MILLET (Dylan B.)</s1></fA11><fA11 i1="16" i2="1"><s1>QUINN (Patricia K.)</s1></fA11><fA11 i1="17" i2="1"><s1>ROBERTS (James M.)</s1></fA11><fA11 i1="18" i2="1"><s1>WORSNOP (Douglas R.)</s1></fA11><fA11 i1="19" i2="1"><s1>GOLDSTEIN (Allen)</s1></fA11><fA11 i1="20" i2="1"><s1>DONNELLY (Stephen)</s1></fA11><fA11 i1="21" i2="1"><s1>SCHAUFFLER (Sue)</s1></fA11><fA11 i1="22" i2="1"><s1>STROUD (Verity)</s1></fA11><fA11 i1="23" i2="1"><s1>JOHNSON (Kristen)</s1></fA11><fA11 i1="24" i2="1"><s1>AVERY (Melody A.)</s1></fA11><fA11 i1="25" i2="1"><s1>SINGH (Hanwant B.)</s1></fA11><fA11 i1="26" i2="1"><s1>APEL (Eric C.)</s1></fA11><fA20><s2>D23S11.1-D23S11.25</s2></fA20><fA21><s1>2004</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>3144</s2><s5>354000126502490340</s5></fA43><fA44><s0>0000</s0><s1>© 2005 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>41 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>05-0089073</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of geophysical research</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>Regional modeling analysis for the Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) experiment over the eastern Pacific and U.S. West Coast is performed using a multiscale modeling system, including the regional tracer model Chemical Weather Forecasting System (CFORS), the Sulfur Transport and Emissions Model 2003 (STEM-2K3) regional chemical transport model, and an off-line coupling with the Model of Ozone and Related Chemical Tracers (MOZART) global chemical transport model. CO regional tracers calculated online in the CFORS model are used to identify aircraft measurement periods with Asian influences. Asian-influenced air masses measured by the National Oceanic and Atmospheric Administration (NOAA) WP-3 aircraft in this experiment are found to have lower ΔAcetone/ΔCO, ΔMethanol/ΔCO, and ΔPropane/ΔEthyne ratios than air masses influenced by U.S. emissions, reflecting differences in regional emission signals. The Asian air masses in the eastern Pacific are found to usually be well aged (>5 days), to be highly diffused, and to have low NOy levels. Chemical budget analysis is performed for two flights, and the O<sub>3</sub> net chemical budgets are found to be negative (net destructive) in the places dominated by Asian influences or clear sites and positive in polluted American air masses. During the trans-Pacific transport, part of gaseous HNO<sub>3</sub>was converted to nitrate particle, and this conversion was attributed to NOy decline. Without the aerosol consideration, the model tends to overestimate HNO<sub>3</sub> background concentration along the coast region.</s0></fC01><fC02 i1="01" i2="2"><s0>220</s0></fC02><fC02 i1="02" i2="3"><s0>001E</s0></fC02><fC02 i1="03" i2="2"><s0>001E01</s0></fC02><fC03 i1="01" i2="2" l="FRE"><s0>Ile Trinité</s0><s2>NG</s2><s5>01</s5></fC03><fC03 i1="01" i2="2" l="ENG"><s0>Trinidad</s0><s2>NG</s2><s5>01</s5></fC03><fC03 i1="01" i2="2" l="SPA"><s0>Isla Trinidad</s0><s2>NG</s2><s5>01</s5></fC03><fC03 i1="02" i2="2" l="FRE"><s0>Californie Nord</s0><s2>NG</s2><s5>02</s5></fC03><fC03 i1="02" i2="2" l="ENG"><s0>Northern California</s0><s2>NG</s2><s5>02</s5></fC03><fC03 i1="03" i2="2" l="FRE"><s0>Simulation</s0><s5>06</s5></fC03><fC03 i1="03" i2="2" l="ENG"><s0>simulation</s0><s5>06</s5></fC03><fC03 i1="03" i2="2" l="SPA"><s0>Simulación</s0><s5>06</s5></fC03><fC03 i1="04" i2="2" l="FRE"><s0>Troposphère</s0><s5>07</s5></fC03><fC03 i1="04" i2="2" 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i1="05" i2="2" l="FRE"><s0>Région des Caraïbes</s0></fC07><fC07 i1="05" i2="2" l="ENG"><s0>Caribbean region</s0></fC07><fC07 i1="05" i2="2" l="SPA"><s0>Región del Caribe</s0></fC07><fC07 i1="06" i2="2" l="FRE"><s0>Californie</s0><s2>NG</s2></fC07><fC07 i1="06" i2="2" l="ENG"><s0>California</s0><s2>NG</s2></fC07><fC07 i1="06" i2="2" l="SPA"><s0>California</s0><s2>NG</s2></fC07><fC07 i1="07" i2="2" l="FRE"><s0>Etats Unis</s0><s2>NG</s2></fC07><fC07 i1="07" i2="2" l="ENG"><s0>United States</s0><s2>NG</s2></fC07><fC07 i1="07" i2="2" l="SPA"><s0>Estados Unidos</s0><s2>NG</s2></fC07><fC07 i1="08" i2="2" l="FRE"><s0>Amérique du Nord</s0></fC07><fC07 i1="08" i2="2" l="ENG"><s0>North America</s0></fC07><fC07 i1="08" i2="2" l="SPA"><s0>America del norte</s0></fC07><fN21><s1>052</s1></fN21><fN44 i1="01"><s1>OTO</s1></fN44><fN82><s1>OTO</s1></fN82></pA></standard><server><NO>PASCAL 05-0089073 INIST</NO><ET>Multiscale simulations of tropospheric chemistry in the eastern Pacific and on the U.S. West Coast during spring 2002 : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments</ET><AU>YOUHUA TANG; CARMICHAEL (Gregory R.); HOROWITZ (Larry W.); UNO (Itsushi); WOO (Jung-Hun); STREETS (David G.); DABDUB (Donald); KURATA (Gakuji); SANDU (Adrian); ALLAN (James); ATLAS (Elliot); FLOCKE (Franck); HUEY (Lewis Gregory); JAKOUBEK (Roger O.); MILLET (Dylan B.); QUINN (Patricia K.); ROBERTS (James M.); WORSNOP (Douglas R.); GOLDSTEIN (Allen); DONNELLY (Stephen); SCHAUFFLER (Sue); STROUD (Verity); JOHNSON (Kristen); AVERY (Melody A.); SINGH (Hanwant B.); APEL (Eric C.)</AU><DT>Publication en série; Niveau analytique</DT><SO>Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2004; Vol. 109; No. D23; D23S11.1-D23S11.25; Bibl. 41 ref.</SO><LA>Anglais</LA><EA>Regional modeling analysis for the Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) experiment over the eastern Pacific and U.S. West Coast is performed using a multiscale modeling system, including the regional tracer model Chemical Weather Forecasting System (CFORS), the Sulfur Transport and Emissions Model 2003 (STEM-2K3) regional chemical transport model, and an off-line coupling with the Model of Ozone and Related Chemical Tracers (MOZART) global chemical transport model. CO regional tracers calculated online in the CFORS model are used to identify aircraft measurement periods with Asian influences. Asian-influenced air masses measured by the National Oceanic and Atmospheric Administration (NOAA) WP-3 aircraft in this experiment are found to have lower ΔAcetone/ΔCO, ΔMethanol/ΔCO, and ΔPropane/ΔEthyne ratios than air masses influenced by U.S. emissions, reflecting differences in regional emission signals. The Asian air masses in the eastern Pacific are found to usually be well aged (>5 days), to be highly diffused, and to have low NOy levels. Chemical budget analysis is performed for two flights, and the O<sub>3</sub> net chemical budgets are found to be negative (net destructive) in the places dominated by Asian influences or clear sites and positive in polluted American air masses. During the trans-Pacific transport, part of gaseous HNO<sub>3</sub>was converted to nitrate particle, and this conversion was attributed to NOy decline. Without the aerosol consideration, the model tends to overestimate HNO<sub>3</sub> background concentration along the coast region.</EA><CC>220; 001E; 001E01</CC><FD>Ile Trinité; Californie Nord; Simulation; Troposphère; Source; Printemps; Modélisation; Transport; Transformation chimique; Etude expérimentale; Traceur chimique; Modèle chimique; Prévision météorologique; Couplage; Ozone; Monde; Observation par avion; Air; NOAA; Nitrate; Particule; Aérosol; Concentration; Polluant; Vent; Accumulation; Plomb</FD><FG>Trinidad Tobago; Petites Antilles; Antilles; Iles Caraïbes; Région des Caraïbes; Californie; Etats Unis; Amérique du Nord</FG><ED>Trinidad; Northern California; simulation; troposphere; springs; Spring(season); Modeling; transport; Chemical transformation; experimental studies; chemical tracers; Chemical model; Weather forecast; coupling; ozone; global; Aircraft observation; air; NOAA; nitrates; particles; aerosols; concentration; pollutants; winds; accumulation; lead</ED><EG>Trinidad and Tobago; Lesser Antilles; Antilles; West Indies; Caribbean region; California; United States; North America</EG><SD>Isla Trinidad; Simulación; Fuente; Primavera; Modelización; Transporte; Transformación química; Modelo químico; Previsión meteorológica; Ozono; Mundo; Observación por avión; Nitrato; Aerosol; Concentración; Contaminante; Viento; Plomo</SD><LO>INIST-3144.354000126502490340</LO><ID>05-0089073</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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