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Analysis of seasonal and interannual variability in transpacific transport

Identifieur interne : 000177 ( PascalFrancis/Corpus ); précédent : 000176; suivant : 000178

Analysis of seasonal and interannual variability in transpacific transport

Auteurs : JUNFENG LIU ; Denise L. Mauzerall ; Larry W. Horowitz

Source :

RBID : Pascal:05-0166150

Descripteurs français

English descriptors

Abstract

[1] The purpose of our analysis is both to evaluate the meteorological component of the seasonal and interannual variability of transpacific transport and to identify meteorological features that can be used to estimate transpacific transport. To accomplish this goal, we simulate the transport of nine continental tracers with uniform emissions and two-week lifetimes using the global Model of Ozone and Related Tracers Version 2 (MOZART-2) driven with NCEP reanalysis meteorology from 1991-2001. In addition, we define a transpacific "transport potential," a measure of the quantity of a tracer transported from a particular region normalized by its total emissions from that region, across a meridional plane in the eastern Pacific at 130°W. We find that at midlatitudes, the east Asian and Indian tracers have the largest transport potentials, particularly in spring. The interannual variability of the transpacific transport potentials of most tracers is relatively high in winter and fall (particularly in February and September) but is low from April to August. At high latitudes the former Soviet Union, east Asian, and European tracers have the largest transpacific transport potentials, especially in late summer and fall, when the lowest interannual variability is observed. We find that El Niño winters are associated with stronger eastward transport of east Asian emissions in the subtropical eastern Pacific. Transport of the east Asian tracer in the central North Pacific is well correlated with the North Pacific Index. However, we find that the interannual variability of transport across the west coast of North America is mostly driven by local meteorology. We therefore created a new index based on meteorology over the eastern Pacific, which we call the Eastern Pacific Index (EPI). The EPI captures most of the interannual variability of transpacific transport at both middle- and high-latitude regions across the west coast of North America.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0148-0227
A03   1    @0 J. geophys. res.
A05       @2 110
A06       @2 D4
A08 01  1  ENG  @1 Analysis of seasonal and interannual variability in transpacific transport
A11 01  1    @1 JUNFENG LIU
A11 02  1    @1 MAUZERALL (Denise L.)
A11 03  1    @1 HOROWITZ (Larry W.)
A14 01      @1 Woodrow Wilson School of Public and Intemational Affairs, Princeton University @2 Princeton, New Jersey @3 USA @Z 1 aut. @Z 2 aut.
A14 02      @1 Geophysical Fluid Dynamics Laboratory @2 Princeton, New Jersey @3 USA @Z 3 aut.
A20       @2 D04302.1-D04302.17
A21       @1 2005
A23 01      @0 ENG
A43 01      @1 INIST @2 3144 @5 354000126883480140
A44       @0 0000 @1 © 2005 INIST-CNRS. All rights reserved.
A45       @0 38 ref.
A47 01  1    @0 05-0166150
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of geophysical research
A66 01      @0 USA
C01 01    ENG  @0 [1] The purpose of our analysis is both to evaluate the meteorological component of the seasonal and interannual variability of transpacific transport and to identify meteorological features that can be used to estimate transpacific transport. To accomplish this goal, we simulate the transport of nine continental tracers with uniform emissions and two-week lifetimes using the global Model of Ozone and Related Tracers Version 2 (MOZART-2) driven with NCEP reanalysis meteorology from 1991-2001. In addition, we define a transpacific "transport potential," a measure of the quantity of a tracer transported from a particular region normalized by its total emissions from that region, across a meridional plane in the eastern Pacific at 130°W. We find that at midlatitudes, the east Asian and Indian tracers have the largest transport potentials, particularly in spring. The interannual variability of the transpacific transport potentials of most tracers is relatively high in winter and fall (particularly in February and September) but is low from April to August. At high latitudes the former Soviet Union, east Asian, and European tracers have the largest transpacific transport potentials, especially in late summer and fall, when the lowest interannual variability is observed. We find that El Niño winters are associated with stronger eastward transport of east Asian emissions in the subtropical eastern Pacific. Transport of the east Asian tracer in the central North Pacific is well correlated with the North Pacific Index. However, we find that the interannual variability of transport across the west coast of North America is mostly driven by local meteorology. We therefore created a new index based on meteorology over the eastern Pacific, which we call the Eastern Pacific Index (EPI). The EPI captures most of the interannual variability of transpacific transport at both middle- and high-latitude regions across the west coast of North America.
C02 01  2    @0 220
C02 02  3    @0 001E
C02 03  2    @0 001E01
C03 01  2  FRE  @0 Océan Pacifique Nord @2 NG @5 01
C03 01  2  ENG  @0 North Pacific @2 NG @5 01
C03 02  X  FRE  @0 Variation interannuelle @5 06
C03 02  X  ENG  @0 Interannual variation @5 06
C03 02  X  SPA  @0 Variación interanual @5 06
C03 03  2  FRE  @0 Transport @5 07
C03 03  2  ENG  @0 transport @5 07
C03 03  2  SPA  @0 Transporte @5 07
C03 04  2  FRE  @0 Traceur @5 08
C03 04  2  ENG  @0 tracers @5 08
C03 04  2  SPA  @0 Trazador @5 08
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C03 05  X  ENG  @0 Lifetime @5 09
C03 05  X  SPA  @0 Tiempo vida @5 09
C03 06  2  FRE  @0 Monde @5 10
C03 06  2  ENG  @0 global @5 10
C03 06  2  SPA  @0 Mundo @5 10
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C03 07  2  ENG  @0 models @5 11
C03 07  2  SPA  @0 Modelo @5 11
C03 08  2  FRE  @0 Ozone @5 12
C03 08  2  ENG  @0 ozone @5 12
C03 08  2  SPA  @0 Ozono @5 12
C03 09  2  FRE  @0 Météorologie @5 13
C03 09  2  ENG  @0 meteorology @5 13
C03 09  2  SPA  @0 Meteorología @5 13
C03 10  X  FRE  @0 Moyenne latitude @5 14
C03 10  X  ENG  @0 Mid latitude @5 14
C03 10  X  SPA  @0 Latitud media @5 14
C03 11  2  FRE  @0 Source @5 15
C03 11  2  ENG  @0 springs @5 15
C03 11  2  SPA  @0 Fuente @5 15
C03 12  X  FRE  @0 Printemps @5 16
C03 12  X  ENG  @0 Spring(season) @5 16
C03 12  X  SPA  @0 Primavera @5 16
C03 13  X  FRE  @0 Hiver @5 17
C03 13  X  ENG  @0 Winter @5 17
C03 13  X  SPA  @0 Invierno @5 17
C03 14  X  FRE  @0 Haute latitude @5 18
C03 14  X  ENG  @0 High latitude @5 18
C03 14  X  SPA  @0 Alta latitud @5 18
C03 15  X  FRE  @0 Eté @5 19
C03 15  X  ENG  @0 Summer @5 19
C03 15  X  SPA  @0 Verano @5 19
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C03 17  2  SPA  @0 America del norte @5 22
C03 18  X  FRE  @0 Oscillation australe @5 23
C03 18  X  ENG  @0 Southern oscillation @5 23
C03 18  X  SPA  @0 Oscilación austral @5 23
C03 19  2  FRE  @0 Interaction atmosphère océan @5 24
C03 19  2  ENG  @0 ocean-atmosphere interaction @5 24
C07 01  2  FRE  @0 Océan Pacifique
C07 01  2  ENG  @0 Pacific Ocean
C07 01  2  SPA  @0 Océano Pacífico
N21       @1 108
N44 01      @1 OTO
N82       @1 OTO

Format Inist (serveur)

NO : PASCAL 05-0166150 INIST
ET : Analysis of seasonal and interannual variability in transpacific transport
AU : JUNFENG LIU; MAUZERALL (Denise L.); HOROWITZ (Larry W.)
AF : Woodrow Wilson School of Public and Intemational Affairs, Princeton University/Princeton, New Jersey/Etats-Unis (1 aut., 2 aut.); Geophysical Fluid Dynamics Laboratory/Princeton, New Jersey/Etats-Unis (3 aut.)
DT : Publication en série; Niveau analytique
SO : Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2005; Vol. 110; No. D4; D04302.1-D04302.17; Bibl. 38 ref.
LA : Anglais
EA : [1] The purpose of our analysis is both to evaluate the meteorological component of the seasonal and interannual variability of transpacific transport and to identify meteorological features that can be used to estimate transpacific transport. To accomplish this goal, we simulate the transport of nine continental tracers with uniform emissions and two-week lifetimes using the global Model of Ozone and Related Tracers Version 2 (MOZART-2) driven with NCEP reanalysis meteorology from 1991-2001. In addition, we define a transpacific "transport potential," a measure of the quantity of a tracer transported from a particular region normalized by its total emissions from that region, across a meridional plane in the eastern Pacific at 130°W. We find that at midlatitudes, the east Asian and Indian tracers have the largest transport potentials, particularly in spring. The interannual variability of the transpacific transport potentials of most tracers is relatively high in winter and fall (particularly in February and September) but is low from April to August. At high latitudes the former Soviet Union, east Asian, and European tracers have the largest transpacific transport potentials, especially in late summer and fall, when the lowest interannual variability is observed. We find that El Niño winters are associated with stronger eastward transport of east Asian emissions in the subtropical eastern Pacific. Transport of the east Asian tracer in the central North Pacific is well correlated with the North Pacific Index. However, we find that the interannual variability of transport across the west coast of North America is mostly driven by local meteorology. We therefore created a new index based on meteorology over the eastern Pacific, which we call the Eastern Pacific Index (EPI). The EPI captures most of the interannual variability of transpacific transport at both middle- and high-latitude regions across the west coast of North America.
CC : 220; 001E; 001E01
FD : Océan Pacifique Nord; Variation interannuelle; Transport; Traceur; Durée vie; Monde; Modèle; Ozone; Météorologie; Moyenne latitude; Source; Printemps; Hiver; Haute latitude; Eté; El Nino; Amérique du Nord; Oscillation australe; Interaction atmosphère océan
FG : Océan Pacifique
ED : North Pacific; Interannual variation; transport; tracers; Lifetime; global; models; ozone; meteorology; Mid latitude; springs; Spring(season); Winter; High latitude; Summer; El Nino; North America; Southern oscillation; ocean-atmosphere interaction
EG : Pacific Ocean
SD : Variación interanual; Transporte; Trazador; Tiempo vida; Mundo; Modelo; Ozono; Meteorología; Latitud media; Fuente; Primavera; Invierno; Alta latitud; Verano; America del norte; Oscilación austral
LO : INIST-3144.354000126883480140
ID : 05-0166150

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Pascal:05-0166150

Le document en format XML

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<div type="abstract" xml:lang="en">[1] The purpose of our analysis is both to evaluate the meteorological component of the seasonal and interannual variability of transpacific transport and to identify meteorological features that can be used to estimate transpacific transport. To accomplish this goal, we simulate the transport of nine continental tracers with uniform emissions and two-week lifetimes using the global Model of Ozone and Related Tracers Version 2 (MOZART-2) driven with NCEP reanalysis meteorology from 1991-2001. In addition, we define a transpacific "transport potential," a measure of the quantity of a tracer transported from a particular region normalized by its total emissions from that region, across a meridional plane in the eastern Pacific at 130°W. We find that at midlatitudes, the east Asian and Indian tracers have the largest transport potentials, particularly in spring. The interannual variability of the transpacific transport potentials of most tracers is relatively high in winter and fall (particularly in February and September) but is low from April to August. At high latitudes the former Soviet Union, east Asian, and European tracers have the largest transpacific transport potentials, especially in late summer and fall, when the lowest interannual variability is observed. We find that El Niño winters are associated with stronger eastward transport of east Asian emissions in the subtropical eastern Pacific. Transport of the east Asian tracer in the central North Pacific is well correlated with the North Pacific Index. However, we find that the interannual variability of transport across the west coast of North America is mostly driven by local meteorology. We therefore created a new index based on meteorology over the eastern Pacific, which we call the Eastern Pacific Index (EPI). The EPI captures most of the interannual variability of transpacific transport at both middle- and high-latitude regions across the west coast of North America.</div>
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<s5>10</s5>
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<fC03 i1="06" i2="2" l="ENG">
<s0>global</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="2" l="SPA">
<s0>Mundo</s0>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE">
<s0>Modèle</s0>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG">
<s0>models</s0>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA">
<s0>Modelo</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE">
<s0>Ozone</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG">
<s0>ozone</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="2" l="SPA">
<s0>Ozono</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE">
<s0>Météorologie</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG">
<s0>meteorology</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="2" l="SPA">
<s0>Meteorología</s0>
<s5>13</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE">
<s0>Moyenne latitude</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG">
<s0>Mid latitude</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA">
<s0>Latitud media</s0>
<s5>14</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE">
<s0>Source</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG">
<s0>springs</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="2" l="SPA">
<s0>Fuente</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE">
<s0>Printemps</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG">
<s0>Spring(season)</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA">
<s0>Primavera</s0>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE">
<s0>Hiver</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG">
<s0>Winter</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA">
<s0>Invierno</s0>
<s5>17</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE">
<s0>Haute latitude</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG">
<s0>High latitude</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA">
<s0>Alta latitud</s0>
<s5>18</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE">
<s0>Eté</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG">
<s0>Summer</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA">
<s0>Verano</s0>
<s5>19</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE">
<s0>El Nino</s0>
<s5>20</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG">
<s0>El Nino</s0>
<s5>20</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE">
<s0>Amérique du Nord</s0>
<s5>22</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG">
<s0>North America</s0>
<s5>22</s5>
</fC03>
<fC03 i1="17" i2="2" l="SPA">
<s0>America del norte</s0>
<s5>22</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE">
<s0>Oscillation australe</s0>
<s5>23</s5>
</fC03>
<fC03 i1="18" i2="X" l="ENG">
<s0>Southern oscillation</s0>
<s5>23</s5>
</fC03>
<fC03 i1="18" i2="X" l="SPA">
<s0>Oscilación austral</s0>
<s5>23</s5>
</fC03>
<fC03 i1="19" i2="2" l="FRE">
<s0>Interaction atmosphère océan</s0>
<s5>24</s5>
</fC03>
<fC03 i1="19" i2="2" l="ENG">
<s0>ocean-atmosphere interaction</s0>
<s5>24</s5>
</fC03>
<fC07 i1="01" i2="2" l="FRE">
<s0>Océan Pacifique</s0>
</fC07>
<fC07 i1="01" i2="2" l="ENG">
<s0>Pacific Ocean</s0>
</fC07>
<fC07 i1="01" i2="2" l="SPA">
<s0>Océano Pacífico</s0>
</fC07>
<fN21>
<s1>108</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
</standard>
<server>
<NO>PASCAL 05-0166150 INIST</NO>
<ET>Analysis of seasonal and interannual variability in transpacific transport</ET>
<AU>JUNFENG LIU; MAUZERALL (Denise L.); HOROWITZ (Larry W.)</AU>
<AF>Woodrow Wilson School of Public and Intemational Affairs, Princeton University/Princeton, New Jersey/Etats-Unis (1 aut., 2 aut.); Geophysical Fluid Dynamics Laboratory/Princeton, New Jersey/Etats-Unis (3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2005; Vol. 110; No. D4; D04302.1-D04302.17; Bibl. 38 ref.</SO>
<LA>Anglais</LA>
<EA>[1] The purpose of our analysis is both to evaluate the meteorological component of the seasonal and interannual variability of transpacific transport and to identify meteorological features that can be used to estimate transpacific transport. To accomplish this goal, we simulate the transport of nine continental tracers with uniform emissions and two-week lifetimes using the global Model of Ozone and Related Tracers Version 2 (MOZART-2) driven with NCEP reanalysis meteorology from 1991-2001. In addition, we define a transpacific "transport potential," a measure of the quantity of a tracer transported from a particular region normalized by its total emissions from that region, across a meridional plane in the eastern Pacific at 130°W. We find that at midlatitudes, the east Asian and Indian tracers have the largest transport potentials, particularly in spring. The interannual variability of the transpacific transport potentials of most tracers is relatively high in winter and fall (particularly in February and September) but is low from April to August. At high latitudes the former Soviet Union, east Asian, and European tracers have the largest transpacific transport potentials, especially in late summer and fall, when the lowest interannual variability is observed. We find that El Niño winters are associated with stronger eastward transport of east Asian emissions in the subtropical eastern Pacific. Transport of the east Asian tracer in the central North Pacific is well correlated with the North Pacific Index. However, we find that the interannual variability of transport across the west coast of North America is mostly driven by local meteorology. We therefore created a new index based on meteorology over the eastern Pacific, which we call the Eastern Pacific Index (EPI). The EPI captures most of the interannual variability of transpacific transport at both middle- and high-latitude regions across the west coast of North America.</EA>
<CC>220; 001E; 001E01</CC>
<FD>Océan Pacifique Nord; Variation interannuelle; Transport; Traceur; Durée vie; Monde; Modèle; Ozone; Météorologie; Moyenne latitude; Source; Printemps; Hiver; Haute latitude; Eté; El Nino; Amérique du Nord; Oscillation australe; Interaction atmosphère océan</FD>
<FG>Océan Pacifique</FG>
<ED>North Pacific; Interannual variation; transport; tracers; Lifetime; global; models; ozone; meteorology; Mid latitude; springs; Spring(season); Winter; High latitude; Summer; El Nino; North America; Southern oscillation; ocean-atmosphere interaction</ED>
<EG>Pacific Ocean</EG>
<SD>Variación interanual; Transporte; Trazador; Tiempo vida; Mundo; Modelo; Ozono; Meteorología; Latitud media; Fuente; Primavera; Invierno; Alta latitud; Verano; America del norte; Oscilación austral</SD>
<LO>INIST-3144.354000126883480140</LO>
<ID>05-0166150</ID>
</server>
</inist>
</record>

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