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Trends in North Atlantic sea-surface fC02 from 1990 to 2006

Identifieur interne : 003387 ( PascalFrancis/Curation ); précédent : 003386; suivant : 003388

Trends in North Atlantic sea-surface fC02 from 1990 to 2006

Auteurs : U. Schuster [Royaume-Uni] ; A. J. Watson [Royaume-Uni] ; N. R. Bates ; A. Corbiere [France] ; M. Gonzalez-Davila [Espagne] ; N. Metzl [France] ; D. Pierrot [États-Unis] ; M. Santana-Casiano [Espagne]

Source :

RBID : Pascal:09-0358081

Descripteurs français

English descriptors

Abstract

We examine observations from 1990 to 2006 from four voluntary observing ships and two time-series stations in the North Atlantic, fitting a sinusoidal annual cycle and linear year-on-year trend at all locations where there are sufficient data. Results show that in the subtropical regions, sea-surface fCO2 has closely followed the increasing trend in atmospheric fCO2. In contrast, farther north, sea-surface fCO2 has increased faster than fCO2 in the atmosphere. The resulting ΔfCO2, driving air-sea flux of CO2, has therefore decreased in the North Atlantic, particularly at higher latitudes, as has the annual mean air-sea flux. Several underlying causes may have led to the observed changes in sea-surface fCO2. Low-frequency modes, such as the North Atlantic Oscillation, lead to changes in the sea-surface temperature, in sea-surface circulation and in vertical mixing, affecting sea-surface fCO2 through biogeochemical processes. A comparison with measurements covering a longer time period shows that the sea-surface fCO2 rise has accelerated since 1990 in the northern North Atlantic.
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A08 01  1  ENG  @1 Trends in North Atlantic sea-surface fC02 from 1990 to 2006
A09 01  1  ENG  @1 Surface Ocean CO2 Variabilities and Vulnerabilities
A11 01  1    @1 SCHUSTER (U.)
A11 02  1    @1 WATSON (A. J.)
A11 03  1    @1 BATES (N. R.)
A11 04  1    @1 CORBIERE (A.)
A11 05  1    @1 GONZALEZ-DAVILA (M.)
A11 06  1    @1 METZL (N.)
A11 07  1    @1 PIERROT (D.)
A11 08  1    @1 SANTANA-CASIANO (M.)
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A12 02  1    @1 METZL (Nicolas) @9 ed.
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A12 04  1    @1 DONEY (Scott C.) @9 ed.
A12 05  1    @1 FEELY (Richard A.) @9 ed.
A12 06  1    @1 BAKKER (Dorothee) @9 ed.
A12 07  1    @1 LE QUERE (Corinne) @9 ed.
A14 01      @1 School of Environmental Science, University of East Anglia @2 Norwich @3 GBR @Z 1 aut. @Z 2 aut.
A14 02      @1 Bermuda Institute of Ocean Sciences @2 Ferry Reach, GE01 @3 BMU @Z 3 aut.
A14 03      @1 Laboratoire d'Océanographie et du Climat, LOCEAN/IPSL, CNRS, Université Pierre, et Marie Curie @2 Paris @3 FRA @Z 4 aut. @Z 6 aut.
A14 04      @1 Department of Marine Chemistry, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas de @2 Gran Canaria @3 ESP @Z 5 aut. @Z 8 aut.
A14 05      @1 Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration @2 Miami, FL @3 USA @Z 7 aut.
A15 01      @1 Institut Universitaire Européenne de la Mer, IMBER International Project Office, Technopôle Brest-Iroise, Place Nicolas Copernic @2 Plouzané 29280 @3 FRA @Z 1 aut.
A15 02      @1 LOCEAN/IPSL, CNRS, Univ. P.M. Curie, Case 100, 4 pl. Jussieu @2 75252 Paris @3 FRA @Z 2 aut.
A15 03      @1 CSIRO Marine and Atmospheric Research, Castray Esplanade @2 Hobart TAS 7000 @3 AUS @Z 3 aut.
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C01 01    ENG  @0 We examine observations from 1990 to 2006 from four voluntary observing ships and two time-series stations in the North Atlantic, fitting a sinusoidal annual cycle and linear year-on-year trend at all locations where there are sufficient data. Results show that in the subtropical regions, sea-surface fCO2 has closely followed the increasing trend in atmospheric fCO2. In contrast, farther north, sea-surface fCO2 has increased faster than fCO2 in the atmosphere. The resulting ΔfCO2, driving air-sea flux of CO2, has therefore decreased in the North Atlantic, particularly at higher latitudes, as has the annual mean air-sea flux. Several underlying causes may have led to the observed changes in sea-surface fCO2. Low-frequency modes, such as the North Atlantic Oscillation, lead to changes in the sea-surface temperature, in sea-surface circulation and in vertical mixing, affecting sea-surface fCO2 through biogeochemical processes. A comparison with measurements covering a longer time period shows that the sea-surface fCO2 rise has accelerated since 1990 in the northern North Atlantic.
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C03 04  2  FRE  @0 Variation annuelle @5 04
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C03 04  2  SPA  @0 Variación anual @5 04
C03 05  2  FRE  @0 Zone subtropicale @5 05
C03 05  2  ENG  @0 subtropical zone @5 05
C03 05  2  SPA  @0 Zona subtropical @5 05
C03 06  2  FRE  @0 Atmosphère @5 06
C03 06  2  ENG  @0 atmosphere @5 06
C03 06  2  SPA  @0 Atmósfera @5 06
C03 07  2  FRE  @0 Air @5 07
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C03 12  X  ENG  @0 Sea surface temperature @5 12
C03 12  X  SPA  @0 Temperature superficie marina @5 12
C03 13  2  FRE  @0 Circulation @5 13
C03 13  2  ENG  @0 circulation @5 13
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C03 14  2  ENG  @0 mixing @5 14
C03 14  2  SPA  @0 Mezcla @5 14
C03 15  X  FRE  @0 Mélangeage @5 15
C03 15  X  ENG  @0 Mixing @5 15
C03 15  X  SPA  @0 Mezclado @5 15
C03 16  2  FRE  @0 Océan Atlantique Nord @2 NG @5 61
C03 16  2  ENG  @0 North Atlantic @2 NG @5 61
C03 16  2  SPA  @0 Océano Atlántico Norte @2 NG @5 61
C03 17  2  FRE  @0 Mer du Nord @2 NG @5 62
C03 17  2  ENG  @0 North Sea @2 NG @5 62
C03 17  2  SPA  @0 Mar del Norte @2 NG @5 62
C07 01  2  FRE  @0 Océan Atlantique @2 564
C07 01  2  ENG  @0 Atlantic Ocean @2 564
C07 01  2  SPA  @0 Océano Atlántico @2 564
C07 02  2  FRE  @0 Océan Atlantique Nord Est @2 NG
C07 02  2  ENG  @0 Northeast Atlantic @2 NG
N21       @1 257
N44 01      @1 OTO
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N. R. Bates
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Le document en format XML

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<term>Sea surface</term>
<term>Sea surface temperature</term>
<term>Time series</term>
<term>air</term>
<term>annual variations</term>
<term>atmosphere</term>
<term>circulation</term>
<term>latitude</term>
<term>lead</term>
<term>low frequency</term>
<term>mixing</term>
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<term>trend-surface analysis</term>
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<term>Analyse tendance</term>
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<term>Série temporelle</term>
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<term>Zone subtropicale</term>
<term>Atmosphère</term>
<term>Air</term>
<term>Latitude</term>
<term>Basse fréquence</term>
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<div type="abstract" xml:lang="en">We examine observations from 1990 to 2006 from four voluntary observing ships and two time-series stations in the North Atlantic, fitting a sinusoidal annual cycle and linear year-on-year trend at all locations where there are sufficient data. Results show that in the subtropical regions, sea-surface fCO
<sub>2</sub>
has closely followed the increasing trend in atmospheric fCO
<sub>2</sub>
. In contrast, farther north, sea-surface fCO
<sub>2</sub>
has increased faster than fCO
<sub>2</sub>
in the atmosphere. The resulting ΔfCO
<sub>2</sub>
, driving air-sea flux of CO
<sub>2</sub>
, has therefore decreased in the North Atlantic, particularly at higher latitudes, as has the annual mean air-sea flux. Several underlying causes may have led to the observed changes in sea-surface fCO
<sub>2</sub>
. Low-frequency modes, such as the North Atlantic Oscillation, lead to changes in the sea-surface temperature, in sea-surface circulation and in vertical mixing, affecting sea-surface fCO
<sub>2</sub>
through biogeochemical processes. A comparison with measurements covering a longer time period shows that the sea-surface fCO
<sub>2</sub>
rise has accelerated since 1990 in the northern North Atlantic.</div>
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<s1>PIERROT (D.)</s1>
</fA11>
<fA11 i1="08" i2="1">
<s1>SANTANA-CASIANO (M.)</s1>
</fA11>
<fA12 i1="01" i2="1">
<s1>ROY (Sylvie)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="02" i2="1">
<s1>METZL (Nicolas)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="03" i2="1">
<s1>TILBROOK (Bronte)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="04" i2="1">
<s1>DONEY (Scott C.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="05" i2="1">
<s1>FEELY (Richard A.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="06" i2="1">
<s1>BAKKER (Dorothee)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="07" i2="1">
<s1>LE QUERE (Corinne)</s1>
<s9>ed.</s9>
</fA12>
<fA14 i1="01">
<s1>School of Environmental Science, University of East Anglia</s1>
<s2>Norwich</s2>
<s3>GBR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="02">
<s1>Bermuda Institute of Ocean Sciences</s1>
<s2>Ferry Reach, GE01</s2>
<s3>BMU</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="03">
<s1>Laboratoire d'Océanographie et du Climat, LOCEAN/IPSL, CNRS, Université Pierre, et Marie Curie</s1>
<s2>Paris</s2>
<s3>FRA</s3>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="04">
<s1>Department of Marine Chemistry, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas de</s1>
<s2>Gran Canaria</s2>
<s3>ESP</s3>
<sZ>5 aut.</sZ>
<sZ>8 aut.</sZ>
</fA14>
<fA14 i1="05">
<s1>Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration</s1>
<s2>Miami, FL</s2>
<s3>USA</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA15 i1="01">
<s1>Institut Universitaire Européenne de la Mer, IMBER International Project Office, Technopôle Brest-Iroise, Place Nicolas Copernic</s1>
<s2>Plouzané 29280</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
</fA15>
<fA15 i1="02">
<s1>LOCEAN/IPSL, CNRS, Univ. P.M. Curie, Case 100, 4 pl. Jussieu</s1>
<s2>75252 Paris</s2>
<s3>FRA</s3>
<sZ>2 aut.</sZ>
</fA15>
<fA15 i1="03">
<s1>CSIRO Marine and Atmospheric Research, Castray Esplanade</s1>
<s2>Hobart TAS 7000</s2>
<s3>AUS</s3>
<sZ>3 aut.</sZ>
</fA15>
<fA20>
<s1>620-629</s1>
</fA20>
<fA21>
<s1>2009</s1>
</fA21>
<fA23 i1="01">
<s0>ENG</s0>
</fA23>
<fA43 i1="01">
<s1>INIST</s1>
<s2>7679A2</s2>
<s5>354000187106900100</s5>
</fA43>
<fA44>
<s0>0000</s0>
<s1>© 2009 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45>
<s0>3/4 p.</s0>
</fA45>
<fA47 i1="01" i2="1">
<s0>09-0358081</s0>
</fA47>
<fA60>
<s1>P</s1>
</fA60>
<fA61>
<s0>A</s0>
</fA61>
<fA64 i1="01" i2="1">
<s0>Deep-sea research. Part 2. Topical studies in oceanography</s0>
</fA64>
<fA66 i1="01">
<s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG">
<s0>We examine observations from 1990 to 2006 from four voluntary observing ships and two time-series stations in the North Atlantic, fitting a sinusoidal annual cycle and linear year-on-year trend at all locations where there are sufficient data. Results show that in the subtropical regions, sea-surface fCO
<sub>2</sub>
has closely followed the increasing trend in atmospheric fCO
<sub>2</sub>
. In contrast, farther north, sea-surface fCO
<sub>2</sub>
has increased faster than fCO
<sub>2</sub>
in the atmosphere. The resulting ΔfCO
<sub>2</sub>
, driving air-sea flux of CO
<sub>2</sub>
, has therefore decreased in the North Atlantic, particularly at higher latitudes, as has the annual mean air-sea flux. Several underlying causes may have led to the observed changes in sea-surface fCO
<sub>2</sub>
. Low-frequency modes, such as the North Atlantic Oscillation, lead to changes in the sea-surface temperature, in sea-surface circulation and in vertical mixing, affecting sea-surface fCO
<sub>2</sub>
through biogeochemical processes. A comparison with measurements covering a longer time period shows that the sea-surface fCO
<sub>2</sub>
rise has accelerated since 1990 in the northern North Atlantic.</s0>
</fC01>
<fC02 i1="01" i2="2">
<s0>001E02B</s0>
</fC02>
<fC02 i1="02" i2="2">
<s0>001E01P02</s0>
</fC02>
<fC02 i1="03" i2="2">
<s0>001E01H</s0>
</fC02>
<fC02 i1="04" i2="2">
<s0>226C02</s0>
</fC02>
<fC02 i1="05" i2="2">
<s0>223B</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE">
<s0>Analyse tendance</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="ENG">
<s0>trend-surface analysis</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="SPA">
<s0>Análisis tendencia</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE">
<s0>Surface marine</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG">
<s0>Sea surface</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA">
<s0>Superficie marina</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE">
<s0>Série temporelle</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG">
<s0>Time series</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA">
<s0>Serie temporal</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="2" l="FRE">
<s0>Variation annuelle</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="ENG">
<s0>annual variations</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="SPA">
<s0>Variación anual</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE">
<s0>Zone subtropicale</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG">
<s0>subtropical zone</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA">
<s0>Zona subtropical</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE">
<s0>Atmosphère</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG">
<s0>atmosphere</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="SPA">
<s0>Atmósfera</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE">
<s0>Air</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG">
<s0>air</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE">
<s0>Latitude</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG">
<s0>latitude</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE">
<s0>Basse fréquence</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG">
<s0>low frequency</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE">
<s0>Oscillation Atlantique Nord</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG">
<s0>North Atlantic oscillation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA">
<s0>Oscilación Atlántico Norte</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE">
<s0>Plomb</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG">
<s0>lead</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="SPA">
<s0>Plomo</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE">
<s0>Température surface marine</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG">
<s0>Sea surface temperature</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA">
<s0>Temperature superficie marina</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="2" l="FRE">
<s0>Circulation</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="ENG">
<s0>circulation</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE">
<s0>Mixage</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG">
<s0>mixing</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA">
<s0>Mezcla</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE">
<s0>Mélangeage</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG">
<s0>Mixing</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA">
<s0>Mezclado</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE">
<s0>Océan Atlantique Nord</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG">
<s0>North Atlantic</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="16" i2="2" l="SPA">
<s0>Océano Atlántico Norte</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE">
<s0>Mer du Nord</s0>
<s2>NG</s2>
<s5>62</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG">
<s0>North Sea</s0>
<s2>NG</s2>
<s5>62</s5>
</fC03>
<fC03 i1="17" i2="2" l="SPA">
<s0>Mar del Norte</s0>
<s2>NG</s2>
<s5>62</s5>
</fC03>
<fC07 i1="01" i2="2" l="FRE">
<s0>Océan Atlantique</s0>
<s2>564</s2>
</fC07>
<fC07 i1="01" i2="2" l="ENG">
<s0>Atlantic Ocean</s0>
<s2>564</s2>
</fC07>
<fC07 i1="01" i2="2" l="SPA">
<s0>Océano Atlántico</s0>
<s2>564</s2>
</fC07>
<fC07 i1="02" i2="2" l="FRE">
<s0>Océan Atlantique Nord Est</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="02" i2="2" l="ENG">
<s0>Northeast Atlantic</s0>
<s2>NG</s2>
</fC07>
<fN21>
<s1>257</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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   |area=    AustralieFrV1
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   |texte=   Trends in North Atlantic sea-surface fC02 from 1990 to 2006
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