MozartV1, PascalFrancis, Corpus, bibRecord, 000154

Impact of meteorology and emissions on methane trends, 1990-2004

Identifieur interne : 000154 ( PascalFrancis/Corpus ); précédent : 000153; suivant : 000155

Impact of meteorology and emissions on methane trends, 1990-2004

Auteurs : Arlene M. Fiore ; Larry W. Horowitz ; Edward J. Dlugokencky ; J. Jason West

Source :

Geophysical research letters [ 0094-8276 ] ; 2006.

RBID : Pascal:06-0372827

Descripteurs français

Pascal (Inist)
- Météorologie, Méthane, Analyse tendance, Nivellement, Projection, Monde, Troposphère, Modèle, Durée vie, Température, Foudre, Simulation, Zone humide, Variation saisonnière, Abondance, Climat, Gaz effet serre.

English descriptors

KwdEn :
- Lifetime, abundance, climate, global, greenhouse gas, leveling, lightning, meteorology, methane, models, projection, seasonal variations, simulation, temperature, trend-surface analysis, troposphere, wetlands.

Abstract

[1] Over the past century, atmospheric methane (CH₄) rose dramatically before leveling off in the late 1990s. The processes controlling this trend are poorly understood, limiting confidence in projections of future CH₄. The MOZART-2 global tropospheric chemistry model qualitatively captures the observed CH₄ trend (increasing in the early 1990s and then leveling off) with constant emissions. From 1991-1995 to 2000-2004, the CH₄ lifetime versus tropospheric OH decreases by 1.6%, reflecting increases in OH and temperature. The rise in OH stems from an increase in lightning NO_x as parameterized in the model. A simulation including annually varying anthropogenic and wetland CH₄ emissions, as well as the changes in meteorology, best reproduces the observed CH₄ distribution, trend, and seasonal cycles. Projections of future CH₄ abundances should consider climate-driven changes in CH₄ sources and sinks.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A14	`01`			`@1 Geophysical Fluid Dynamics Laboratory, NOAA @2 Princeton, New Jersey @3 USA @Z 1 aut. @Z 2 aut.`
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C01	`01`		`ENG`	@0 [1] Over the past century, atmospheric methane (CH₄) rose dramatically before leveling off in the late 1990s. The processes controlling this trend are poorly understood, limiting confidence in projections of future CH₄. The MOZART-2 global tropospheric chemistry model qualitatively captures the observed CH₄ trend (increasing in the early 1990s and then leveling off) with constant emissions. From 1991-1995 to 2000-2004, the CH₄ lifetime versus tropospheric OH decreases by 1.6%, reflecting increases in OH and temperature. The rise in OH stems from an increase in lightning NO_x as parameterized in the model. A simulation including annually varying anthropogenic and wetland CH₄ emissions, as well as the changes in meteorology, best reproduces the observed CH₄ distribution, trend, and seasonal cycles. Projections of future CH₄ abundances should consider climate-driven changes in CH₄ sources and sinks.
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Format Inist (serveur)

NO :	PASCAL 06-0372827 INIST
ET :	Impact of meteorology and emissions on methane trends, 1990-2004
AU :	FIORE (Arlene M.); HOROWITZ (Larry W.); DLUGOKENCKY (Edward J.); WEST (J. Jason)
AF :	Geophysical Fluid Dynamics Laboratory, NOAA/Princeton, New Jersey/Etats-Unis (1 aut., 2 aut.); Earth System Research Laboratory, NOAA/Boulder, Colorado/Etats-Unis (3 aut.); Program in Atmospheric and Oceanic Sciences, Princeton University/Princeton, New Jersey/Etats-Unis (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Geophysical research letters; ISSN 0094-8276; Coden GPRLAJ; Etats-Unis; Da. 2006; Vol. 33; No. 12; L12809.1-L12809.4; Bibl. 24 ref.
LA :	Anglais
EA :	[1] Over the past century, atmospheric methane (CH₄) rose dramatically before leveling off in the late 1990s. The processes controlling this trend are poorly understood, limiting confidence in projections of future CH₄. The MOZART-2 global tropospheric chemistry model qualitatively captures the observed CH₄ trend (increasing in the early 1990s and then leveling off) with constant emissions. From 1991-1995 to 2000-2004, the CH₄ lifetime versus tropospheric OH decreases by 1.6%, reflecting increases in OH and temperature. The rise in OH stems from an increase in lightning NO_x as parameterized in the model. A simulation including annually varying anthropogenic and wetland CH₄ emissions, as well as the changes in meteorology, best reproduces the observed CH₄ distribution, trend, and seasonal cycles. Projections of future CH₄ abundances should consider climate-driven changes in CH₄ sources and sinks.
CC :	220; 001E; 001E01
FD :	Météorologie; Méthane; Analyse tendance; Nivellement; Projection; Monde; Troposphère; Modèle; Durée vie; Température; Foudre; Simulation; Zone humide; Variation saisonnière; Abondance; Climat; Gaz effet serre
ED :	meteorology; methane; trend-surface analysis; leveling; projection; global; troposphere; models; Lifetime; temperature; lightning; simulation; wetlands; seasonal variations; abundance; climate; greenhouse gas
SD :	Meteorología; Metano; Análisis tendencia; Nivelación; Proyección; Mundo; Modelo; Tiempo vida; Temperatura; Rayo; Simulación; Terreno húmedo; Variación estacional; Abundancia; Clima
LO :	INIST-16687.354000139077880400
ID :	06-0372827

Links to Exploration step

Pascal:06-0372827

Le document en format XML

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<term>lightning</term>
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<term>models</term>
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<front><div type="abstract" xml:lang="en">[1] Over the past century, atmospheric methane (CH<sub>4</sub>
) rose dramatically before leveling off in the late 1990s. The processes controlling this trend are poorly understood, limiting confidence in projections of future CH<sub>4</sub>
. The MOZART-2 global tropospheric chemistry model qualitatively captures the observed CH<sub>4</sub>
 trend (increasing in the early 1990s and then leveling off) with constant emissions. From 1991-1995 to 2000-2004, the CH<sub>4</sub>
 lifetime versus tropospheric OH decreases by 1.6%, reflecting increases in OH and temperature. The rise in OH stems from an increase in lightning NO<sub>x</sub>
 as parameterized in the model. A simulation including annually varying anthropogenic and wetland CH<sub>4</sub>
 emissions, as well as the changes in meteorology, best reproduces the observed CH<sub>4</sub>
 distribution, trend, and seasonal cycles. Projections of future CH<sub>4</sub>
 abundances should consider climate-driven changes in CH<sub>4</sub>
 sources and sinks.</div>
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<fC01 i1="01" l="ENG"><s0>[1] Over the past century, atmospheric methane (CH<sub>4</sub>
) rose dramatically before leveling off in the late 1990s. The processes controlling this trend are poorly understood, limiting confidence in projections of future CH<sub>4</sub>
. The MOZART-2 global tropospheric chemistry model qualitatively captures the observed CH<sub>4</sub>
 trend (increasing in the early 1990s and then leveling off) with constant emissions. From 1991-1995 to 2000-2004, the CH<sub>4</sub>
 lifetime versus tropospheric OH decreases by 1.6%, reflecting increases in OH and temperature. The rise in OH stems from an increase in lightning NO<sub>x</sub>
 as parameterized in the model. A simulation including annually varying anthropogenic and wetland CH<sub>4</sub>
 emissions, as well as the changes in meteorology, best reproduces the observed CH<sub>4</sub>
 distribution, trend, and seasonal cycles. Projections of future CH<sub>4</sub>
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<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="SPA"><s0>Modelo</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Durée vie</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Lifetime</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Tiempo vida</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="2" l="FRE"><s0>Température</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="2" l="ENG"><s0>temperature</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="2" l="SPA"><s0>Temperatura</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE"><s0>Foudre</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG"><s0>lightning</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="SPA"><s0>Rayo</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="2" l="FRE"><s0>Simulation</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="2" l="ENG"><s0>simulation</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="2" l="SPA"><s0>Simulación</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="2" l="FRE"><s0>Zone humide</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="ENG"><s0>wetlands</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="SPA"><s0>Terreno húmedo</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE"><s0>Variation saisonnière</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG"><s0>seasonal variations</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA"><s0>Variación estacional</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="2" l="FRE"><s0>Abondance</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="2" l="ENG"><s0>abundance</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="2" l="SPA"><s0>Abundancia</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE"><s0>Climat</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG"><s0>climate</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="SPA"><s0>Clima</s0>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE"><s0>Gaz effet serre</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG"><s0>greenhouse gas</s0>
<s5>17</s5>
</fC03>
<fN21><s1>247</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 06-0372827 INIST</NO>
<ET>Impact of meteorology and emissions on methane trends, 1990-2004</ET>
<AU>FIORE (Arlene M.); HOROWITZ (Larry W.); DLUGOKENCKY (Edward J.); WEST (J. Jason)</AU>
<AF>Geophysical Fluid Dynamics Laboratory, NOAA/Princeton, New Jersey/Etats-Unis (1 aut., 2 aut.); Earth System Research Laboratory, NOAA/Boulder, Colorado/Etats-Unis (3 aut.); Program in Atmospheric and Oceanic Sciences, Princeton University/Princeton, New Jersey/Etats-Unis (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Geophysical research letters; ISSN 0094-8276; Coden GPRLAJ; Etats-Unis; Da. 2006; Vol. 33; No. 12; L12809.1-L12809.4; Bibl. 24 ref.</SO>
<LA>Anglais</LA>
<EA>[1] Over the past century, atmospheric methane (CH<sub>4</sub>
) rose dramatically before leveling off in the late 1990s. The processes controlling this trend are poorly understood, limiting confidence in projections of future CH<sub>4</sub>
. The MOZART-2 global tropospheric chemistry model qualitatively captures the observed CH<sub>4</sub>
 trend (increasing in the early 1990s and then leveling off) with constant emissions. From 1991-1995 to 2000-2004, the CH<sub>4</sub>
 lifetime versus tropospheric OH decreases by 1.6%, reflecting increases in OH and temperature. The rise in OH stems from an increase in lightning NO<sub>x</sub>
 as parameterized in the model. A simulation including annually varying anthropogenic and wetland CH<sub>4</sub>
 emissions, as well as the changes in meteorology, best reproduces the observed CH<sub>4</sub>
 distribution, trend, and seasonal cycles. Projections of future CH<sub>4</sub>
 abundances should consider climate-driven changes in CH<sub>4</sub>
 sources and sinks.</EA>
<CC>220; 001E; 001E01</CC>
<FD>Météorologie; Méthane; Analyse tendance; Nivellement; Projection; Monde; Troposphère; Modèle; Durée vie; Température; Foudre; Simulation; Zone humide; Variation saisonnière; Abondance; Climat; Gaz effet serre</FD>
<ED>meteorology; methane; trend-surface analysis; leveling; projection; global; troposphere; models; Lifetime; temperature; lightning; simulation; wetlands; seasonal variations; abundance; climate; greenhouse gas</ED>
<SD>Meteorología; Metano; Análisis tendencia; Nivelación; Proyección; Mundo; Modelo; Tiempo vida; Temperatura; Rayo; Simulación; Terreno húmedo; Variación estacional; Abundancia; Clima</SD>
<LO>INIST-16687.354000139077880400</LO>
<ID>06-0372827</ID>
</server>
</inist>
</record>

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Impact of meteorology and emissions on methane trends, 1990-2004

Impact of meteorology and emissions on methane trends, 1990-2004

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